MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting it's part of a link farm designed to redirect users. The presence of embedded URLs and the nature of the heuristics strongly suggest this document is used to facilitate malicious redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://huntic.ru/uplcv?utm_term=quick+heads+up+synonym
- http://www.hussco-steel.com/husscofiles/files/15204295010.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab72801f5e6---23406503486.pdf
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/085915b5f61cbfb8f6231bf46f0f58b1/molipobugukagigufus.pdf
- http://urbanconstructions.org/images/uploadedimages/file/gajevodojutugevavuda.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e3e73f646---70911251638.pdf
- https://studio-september.com/wp-content/plugins/super-forms/uploads/php/files/1cc744d66647adc63fbd2de9178c62f4/90413293460.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a137711fc31---19602909891.pdf
- http://soft-pro.hr/upload/datoteke/61478851602.pdf
- http://boekenwinkelindex.nl/images/uploads/11117173024.pdf
- https://acgroupenterprise.com/userfiles/file/65916744963.pdf
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/16oe6k1kk7c2jtoe8fp425mvr4/josojezaleronuxolusutel.pdf
- http://crmrealty360degree.in/userfiles/file/79590295957.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609cdbb1264f8---didijepelibewadasiniv.pdf
- http://koovappadyscb.com/ckfinder/userfiles/files/keridupusawug.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c42d29deb4f---94315402130.pdf
- https://jf-orvalho.pt/userfiles/file/mivawepifoti.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/q3vl89a40jk264mj40k9mrpuv5/nekasipemobuwe.pdf
- http://gursakaryahukuk.com/images/file/kebikeruwegug.pdf
- http://fouladsazanco.com/Upload/file/megiwufasuveg.pdf
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/24c05c1c18505a84532a921a223dbacb/xizezozuwoxelibova.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/cci2u9fshcf3h72ps9gfkrbp64/40409370849.pdf
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/dcq8mht7t52h1kec466q58vcus/41168122664.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f919210ae---66328594574.pdf
- http://futurepoolandspa.com/ckfinder/userfiles/files/36475723308.pdf
- 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_off0000f50b.bin794fcba4f090e3121d8880f2b0163dd45996058ecd5f15fa1afaa3ebd6f75504 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF50B | 10900 bytes |
font_01_sfnt_off00010e30.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E30 | 16792 bytes |
font_02_sfnt_off00012642.binc8db896e44f692158b379f67901a9b7580d59c83919390cd54240abf043626dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12642 | 17528 bytes |
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