MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to websites hosted on compromised or disposable infrastructure, indicating a link farm designed to lure users to potentially malicious sites. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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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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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://briquettemachinery.com/d/files/66568364536.pdf In PDF document text
- http://ymmicro.com/files/files/47127226019.pdfIn PDF document text
- http://cavusofis.com/images_upload/files/fipomuzunagarupagamumi.pdfIn PDF document text
- https://anctools.com/ckfinder/userfiles/files/12088257328.pdfIn PDF document text
- http://tsnpharma.com/upload/files/bakofob.pdfIn PDF document text
- https://soswzgierz.pl/web/uploads/files/sogalat.pdfIn PDF document text
- http://secureyun.cn/uploadfile/file///2021092421382175.pdfIn PDF document text
- http://fireprovietnam.net/luutru/files/24691332686.pdfIn PDF document text
- http://systempro.kr/userData/board/file/40838884444.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5a048f36a45acdff77afca2a0ee74dfe/72192271643.pdfIn PDF document text
- http://recrute.fr/files/files/14691558551.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/cf4469e0827d52c33ceafae6286168b2/bavepasipuzadul.pdfIn PDF document text
- https://nmcs.ca/userfiles/files/judagano.pdfIn PDF document text
- https://www.moxiclear.com.au/application/third_party/ckfinder/userfiles/files/59086827685.pdfIn PDF document text
- https://fishuntpesca.it/file/18329024698.pdfIn PDF document text
- https://glbtrader.com/userfiles/file/levefi.pdfIn PDF document text
- http://glassick.com/userfiles/file/78081810483.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/161484ef54eae6---xopodifog.pdfIn PDF document text
- http://tc-antey.ru/uploads/files/81745713016.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/674754d1820b931d9d2d9292de265960/vugazomopasebevevekeri.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140e89b318d3---46897934535.pdfIn PDF document text
- https://techlan.pl/files/file/nokifaxoda.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=brenner+and+rector%27s+the+kidney+pdfPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b8c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d0dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0DD | 10964 bytes |
SHA-256: b6e8accfd65130e36cdcc953e36880fea5813b8eba6fbe1dd0f4c50d9eef09f6 |
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font_02_sfnt_off0000ea53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA53 | 18160 bytes |
SHA-256: 1cc19d6d4e740227fc7464b084a9e3e5aa3fa2e22a24e200aa1152a3256b1920 |
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