MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. The file contains numerous links to external websites, many of which are hosted on compromised WordPress installations, suggesting a link farm or redirection mechanism. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the idea that the document is part of a phishing campaign, likely attempting to lure victims to malicious sites for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/c14m6j0b0g781hjj0ep1d58eo3/xasuperujaguvatura.pdf
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/f0279fc27c6878879b896ad8446a589d/76971662827.pdf
- https://computerzone.pk/file/favolewomudogajubul.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/cb9e56202ac9e3d5a5af2111d9d42c0f/falogesen.pdf
- https://vivaldiroberto.com/img/files/mediafiles/file/gekifepufitam.pdf
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/3fb231c77ea22aa2f4071345907b09cb/tesimajimazabelomenab.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/588868e589bde20e4fc9a9ebd5af711f/71110070762.pdf
- http://zxsolar.com/d/files/92041389183.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083081c02f8e---38940586589.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f952e90cd4---sowakorugojewuwu.pdf
- http://alpinedelhi.com/userfiles/files/43687235313.pdf
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/578sd6ddmgjbc6riel9neon840/23231832306.pdf
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/52357548690c71f34cb15c8cfd75be39/11867722290.pdf
- http://shuimotongyuan.com/userfiles/file/pepixiva.pdf
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/372665ddc81210102b870c75ecabcd5a/gesezidanewurap.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e60938bab---39178583317.pdf
- http://www.anjhimayath.com/upload/file/64828877790.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/tdrjhc3c7698u6641bf5cngld5/jalurivus.pdf
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acff6c5f24b---mifulomusefipuvujoga.pdf
- http://krevue.cz/UserFiles/File/3472237616.pdf
- https://grupo-kayros.com/userfiles/file/zifonov.pdf
- http://kondicionery-ivanteevka.ru/upload_picture/file/8790580962.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087adbd76f39---lovabanezazezuniretepewos.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=vmp+mortgage+forms
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010198.bin1910a2fcdeb17fbaa691378b7f17fefcf73d9495248092c7f0899dfbc0fcbbcf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10198 | 17792 bytes |
font_01_sfnt_off00012ffa.bin8ab39c5dd8aaf1302a18be4029548999c85388dd9b7b4ff81af839493100573a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FFA | 10428 bytes |
font_02_sfnt_off000147b4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147B4 | 16792 bytes |
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