MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://pixomot.ru/uplcv?utm_term=sixaxis+pair+tool+for+android
- http://mauchlineware.com/html/chapelstreet/web/userfiles/files/65539983057.pdf
- http://dc-42351dc5a6b3.prshots.es/uploads/userfiles/1631011596/files/75581425994.pdf
- https://flammerouge.ch/userfiles/files/satejav.pdf
- http://ljjxmining.com/uploadfile/file///2021090801535752.pdf
- http://refpecsbelvaros.hu/kepek/files/45675819495.pdf
- http://nissanotogovap.com/uploads/images/files/63846984010.pdf
- http://absolutelyneon.com/userfiles/file/48207077976.pdf
- https://www.highlandernepal.com/assets/ckfinder/userfiles/files/88613565390.pdf
- https://podiummagazinenews.com/ckfinder/userfiles/files/16283099130.pdf
- https://duvanco.be/docs/files/zijibofenazoxixesojelufu.pdf
- http://vinacafe-dalat.com/Images_upload/files/bugemiwabefa.pdf
- http://hc6999.com/userfiles/files/wanizimibunasim.pdf
- http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/saxegaj.pdf
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161370f9737447---togedozijoxatizazanivapu.pdf
- http://dydlhx.com/upfiles/file///mumonalefepazisibo.pdf
- http://www.gabrielamaciel.net/images/content/file/65754121038.pdf
- https://pasarangroup1.com/contents/files/wajap.pdf
- http://ville-dammarie.com/ckfinder/userfiles/files/fitawuvurefevesed.pdf
- http://artospace.com/pics/file/jogak.pdf
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/69b9281a6f2acc82d784ab0a14ddcf79/83237133917.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613408d19b794---99172154790.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/vjefjbf0porlisnm79fc2j85k7/4486570032.pdf
- http://kennycojewelry.com/userfiles/files/202109/1630495316.pdf
- http://ecole.ru/text/images/file/5935451499.pdf
- http://coverybox.box8websites.com/ckfinder/userfiles/files/polutu.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_off0000dc60.bin277b7f342fcad08df06fc4004dec2a579bc150a0bb512ca7ed0255b6d1f1e7d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC60 | 19768 bytes |
font_01_sfnt_off00011033.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11033 | 16792 bytes |
font_02_sfnt_off0001284a.bin55ac4d6c3885ee01fbd1a136c9ed4fa86a4f25473007a334ccd8dfc8b532cb30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1284A | 10536 bytes |
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