MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to various compromised WordPress sites and potentially malicious URLs, as evidenced by the PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics. The embedded URLs and the nature of the link farm suggest a phishing or credential harvesting campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://smidgel.ru/uplcv?utm_term=how+to+share+apps+from+phone+to+computer PDF link annotation
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/e4e14a1f83d68faeedd30cc9cb444740/bezofodosiderinepikopuvev.pdfIn PDF document text
- http://gurukripapublicschool.org/userfiles/file/81189905961.pdfIn PDF document text
- http://kraski-chernila.ru/resources/file/87722822287.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614159180b9df---xuzozo.pdfIn PDF document text
- http://xn--49s538bo8ux8c.net/userfiles/file/14857831897.pdfIn PDF document text
- http://avs-market.ru/admin/ckfinder/userfiles/files/41973915125.pdfIn PDF document text
- http://pzhjintai.com/upload/files/sasegitanavozan.pdfIn PDF document text
- http://lecostationery.com/files/file/kiximatorovugetixepis.pdfIn PDF document text
- https://sk-elektron.ru/ckfinder/userfiles/files/natarurowiros.pdfIn PDF document text
- http://sartoriaventurini.com/userfiles/files/tukifinepuzigivujavegolix.pdfIn PDF document text
- http://dainichiji.com/upload_ckr/files/88769954277.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140f19bc4d18---loradolemerap.pdfIn PDF document text
- https://edex.co/userfiles/files/xisekemiwunuzirenuki.pdfIn PDF document text
- http://ntep2008.com/UserFiles/File/4343433118.pdfIn PDF document text
- http://snabsz.ru/ckfinder/userfiles/files/35376528544.pdfIn PDF document text
- http://domgr11.ru/uploads/files/wodigagogezusib.pdfIn PDF document text
- http://wpchkg.com/upload/image/file/bazupob.pdfIn PDF document text
- https://satuldelut.ro/ckfinder/userfiles/files/wetofanaxetupovuritozuma.pdfIn PDF document text
- http://aroma-es.red/yamituki-n/uploads/files/3366051888.pdfIn PDF document text
- http://z-sinpro.com/upload/files/34229526869.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/legalosinusimilaviloxin.pdfIn PDF document text
- http://gmicropilotes.com/uploads/files/zisafojaliwuwejisuwa.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fecbce3c92---birelazo.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/4b90aadcf6553fc931bec72165026798/witegi.pdfIn PDF document text
- 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_off0000da82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA82 | 10784 bytes |
SHA-256: ee63231a0add7d25614ee4ec7cfc157af56299db88678f3308f3322c594add4a |
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font_01_sfnt_off0000f344.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF344 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B56 | 17884 bytes |
SHA-256: 8438ec91293844ab1eafa7e519274b794a7bbd24d4d05392f4eacf1d52931c90 |
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