MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file flagged as malicious by ClamAV and an ML classifier. It contains numerous links pointing to compromised websites, indicating a phishing or malware distribution attempt. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, suggesting the PDF is part of a link farm hosted on potentially compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0761b62d7a---nisokirujixi.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608f76f11a1f2---34309931452.pdf
- http://vietxetai.com/wp-content/plugins/super-forms/uploads/php/files/646d79gpkmi1g4uk85r8qmfn5s/rajig.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a60e0d11503---natejinakitazuwamib.pdf
- https://daismene.it/file/7991287121.pdf
- http://poolprotektor.com/userfiles/file/10028798243.pdf
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/b78031b4e5873abbd623f4e00f44c4ff/denidigumanaxonoli.pdf
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/e3b423bf09300023571e2bcd5ec9427a/70550014716.pdf
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/ca7c5d4a23483fcdce7ec764ffcbd622/73360013707.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/0f809db82f51428285150afc0c415789/zimugo.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8a559630b---66830636830.pdf
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/q806pgf2j8kcbl2ui2iglfl85i/95791504443.pdf
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf4bad20a5---90636397502.pdf
- http://talleresjpg.es/img/file/sopur.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16077a8a8e25db---lujavekasofagapamif.pdf
- https://www.elitelawnsolutions.co.uk/wp-content/plugins/super-forms/uploads/php/files/7u9c09ctqpq2fn8svrn4i1cb2m/54088401811.pdf
- http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dupolitosanuxolama.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=kgf+chapter+2+ki+ringtone
- 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://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cb4b.binfe8a1e1db11de895b5b143ccb3473b2a9048b79347f67531f29e31a29514a5c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB4B | 5232 bytes |
font_01_sfnt_off0000dd1e.bina36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD1E | 1800 bytes |
font_02_sfnt_off0000e5ab.bina886d0f922d0a8a62993d6d8647e0b72bdef6479699e336362cbf8bc02e73d09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5AB | 11252 bytes |
font_03_sfnt_off00010c29.bin8c1e3298cb301b6aa2c2aeff0a89e1cafee6626e56d5ffa98ad52a7598c40df9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C29 | 16168 bytes |
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