MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, likely serving as a link farm to obscure the true malicious destination. The ML classifier and ClamAV detection strongly indicate malicious intent, with the document likely acting as a lure to download a secondary payload. No scripts were extracted, but the presence of a "download button" heuristic and the link farm structure suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9712
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/16080ae726b239---20608653078.pdf In PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf37eb1b57---lamovobaxivadegazibi.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16079bef44fa10---wegituwosefivokawifis.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a23de2cf7b8---21736872010.pdfIn PDF document text
- http://worldnaturalfood.com/image/upload/File/nulituwome.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/k0lrk2paqentrunrknguheloc3/lelifojivometowitan.pdfIn PDF document text
- https://rzfmuhasebe.com/userfiles/file/sifivasizurofunudadewa.pdfIn PDF document text
- http://akinmedical.com/uploads/file/43657547175.pdfIn PDF document text
- https://dancleland.com/img/upload/file/gokafupopukadudadu.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e1a214caf7f2ab9c01f1515c81e812b3/36461498354.pdfIn PDF document text
- https://aplusadvance.com/naver_editor/data/file/fozuba.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160dd7eb1ebe78---62478415969.pdfIn PDF document text
- https://maconlux.lu/userfiles/files/60048932236.pdfIn PDF document text
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3537d8ba620b9d403827d20970414770/rekizexa.pdfIn PDF document text
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/6uob73kcbcf828ihacskl7ohta/dijodofiroxufozaj.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc0f4a3501.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/0b4d50ab1e2524f10ab63e0c7e63b11b/logejes.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a54af07cea6---77897991338.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/988f027fac57050723c2f71d9eb02297/82683611060.pdfIn PDF document text
- http://klpa.net/userData/board/file/96366999492.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/c01e376101b7ea34148d2c7b7a3478ad/78963815487.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606e8dd742759---fogasutujirujexigomida.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/643jsu65kdhfbtnir4fpjq1s99/36272425598.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe28074cb3---99961218029.pdfIn PDF document text
- http://wooshin.kr/uploaded/file/166844000260bfbe6e93e44.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4eae5c1f7---numuwasezimedonisuvul.pdfIn PDF document text
- http://cesishotel.lv/res/wysiwyg/file/liguzumawi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=download+lagu+bless+the+lord+oh+my+soul+coverPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fe4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE4D | 18704 bytes |
SHA-256: 9ff02273d6cdb809021ad72b0995a50c919f24e5e15d1a7a83a9dc67a91913ba |
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font_01_sfnt_off00012fdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FDC | 16092 bytes |
SHA-256: 9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd |
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font_02_sfnt_off00014522.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14522 | 11232 bytes |
SHA-256: 9ebc074ff274cfbbcb20019c60b0f847e8d1d66934787dab8db088ef9998c110 |
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font_03_sfnt_off00015f3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F3C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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