MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, indicating a link farm designed to direct users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://rubivina.com/Images_upload/files/42599824209.pdf
- https://rzfmuhasebe.com/userfiles/file/sikudutotevekavo.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/a5c8bbc15bfc6b148daf18c63eae2a6a/lunojuxakenax.pdf
- http://dgjst.com/upfile/file/57993611565.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b00b38dad---60121373808.pdf
- http://kstarsmall.net/userfiles/file///76912674501.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/pj97fa4stkqgb05e6d6ijlci5v/77102988079.pdf
- http://kleiberit.ru/files/file/30894315256.pdf
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/d5de6cc7af589b2e5347e3a77cefdef6/38232849425.pdf
- http://alemotta.com/resources/original/file/1848280540.pdf
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160da393987952---5934930387.pdf
- https://psychologgia.pl/Upload/file/mugavawulefo.pdf
- http://broadviewlibrary.org/uploaded_bvlib/file/wazotodi.pdf
- http://csc0351.com/userfiles/file/20210626003435_8gix8t.pdf
- https://pasarantogel.com/contents//files/75181600802.pdf
- http://bogieclassof67.com/clients/71235/File/vikizatamunede.pdf
- http://caydinhlang.net/userfiles/image/file/67240786592.pdf
- http://ahkjt.com/upfile/file/rijuvolewonasopewawo.pdf
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b605758b168---4912741343.pdf
- http://apcmagon.com/userfiles/demewabonaziji.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/utcehd8ian6ihm3nfepemjq2rr/92381148988.pdf
- http://mosjob.ru/images/file/tebimen.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=sausage+dogs+in+air+fryer
- 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_off0000e58a.bind639cab328d910aecd292bc6ce8aef5bcd943fcd0f5d764afc1b004dae08b8f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE58A | 17096 bytes |
font_01_sfnt_off0001120f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1120F | 16792 bytes |
font_02_sfnt_off00012a26.bin6fa7596a32befe1ae0177d94439ce08c1452a0f4e973e3c885515dd200b24c7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A26 | 10672 bytes |
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