MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://archism.ru/uplcv?utm_term=android+11+apps PDF link annotation
- https://senarathgroup.lk/assets/media/file/rapafoze.pdfIn PDF document text
- https://speakingparrot.com/upload/ckfinder/files/64295494189.pdfIn PDF document text
- https://sealskinz.ru/files/file/kifem.pdfIn PDF document text
- http://medicaldistri.com/ckfinder_files/files/18963831563.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef4dd5fd3d---68908202921.pdfIn PDF document text
- https://o2opr.co/userfiles/files/88579623311.pdfIn PDF document text
- https://la-klamm.org/userfiles/file/47377562849.pdfIn PDF document text
- http://cecev.com/stockages/files/52747929022.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/f001bd74dd32acc9abb65dfce423d39b/kodasarikigagivok.pdfIn PDF document text
- http://gysanya.com/upload/file/210902125845225623vd3fmdnjwk4c.pdfIn PDF document text
- http://pantanalmsnews.com.br/ckfinder/userfiles/files/15698110601.pdfIn PDF document text
- http://naturallabs.de/userfiles/file/42259784542.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/161305d6838b7d---16017810124.pdfIn PDF document text
- http://etalentlink.com/uploadfile/file///2021090623472955.pdfIn PDF document text
- http://detikakdeti.ru/img/file/lifubux.pdfIn PDF document text
- http://stellarvvv.ru/ckfinder/userfiles/files/64111875629.pdfIn PDF document text
- https://4of100churchstreet.com/assets/media/files/29988566611.pdfIn PDF document text
- http://sm.ac.th/ckfinder/userfiles/files/moxetumutigijopapef.pdfIn PDF document text
- https://afmiletisim.afmiletisimajansi.info/resimler/files/79380355708.pdfIn PDF document text
- https://www.ijmsir.com/ckfinder/userfiles/files/ninigugurisobiwetosalex.pdfIn PDF document text
- http://interface-referencement.com/userfiles/file/tesijur.pdfIn PDF document text
- http://lovesenergy.com/file/27197173023.pdfIn PDF document text
- http://thietkewebsite.btccorp.vn/uploads/files/90128506817.pdfIn PDF document text
- http://songdolandmarkcity.com/userfiles/file/3114488567.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_off0000cdf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDF2 | 10144 bytes |
SHA-256: 3fef97ecd8e429936c8e6115d7b884957c1c7c8a1a0d611a516b8ad0a9f82105 |
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font_01_sfnt_off0000e4b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B1 | 17120 bytes |
SHA-256: d2cd83147f038653e6febfc5642179466ea09626eb46d9fa75e413878c90cadb |
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font_02_sfnt_off000110bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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