MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload directories, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body is unreadable, but the heuristics and URLs confirm a pattern of directing users to potentially malicious or compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://spostojow.pl/userfiles/file/tagegari.pdf
- https://weishinclinic.com/uploads/files/202109021150273928.pdf
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/69023062659676284c99a3db8c6dd2e9/80209357196.pdf
- http://ergo-logo-bamberg.de/userfiles/file/vogosidazasiserow.pdf
- http://daydreamspin.com/userfiles/file/77036146147.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143fcd26eda1---lenazebelokatanaranod.pdf
- http://vilocom.net/webroot/img/files/lisorimireripuzediwibuvow.pdf
- https://podiummagazinenews.com/ckfinder/userfiles/files/legikodubarilelu.pdf
- https://www.educationsexuelle-ecole.ch/ck/ckfinder/userfiles/files/53568127761.pdf
- http://hightopeducation.com/cms_uploaded/file/jojezavagodofitoxezuti.pdf
- https://llbyggodesign.se/UserFiles/files/jupez.pdf
- http://templeton.sk/userfiles/file/39064477183.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138d19689a0f---xosebizunemononodudojoju.pdf
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16144c13a482d8---dufepikutonox.pdf
- http://gabortech.com/admin/file/50105561927.pdf
- http://niktid.ru/userfiles/file/24429358660.pdf
- http://area100impianti.it/userfiles/files/18379765928.pdf
- http://intranet.uts.edu.co/portal/app/ckfinder/userfiles/files/gudasamapu.pdf
- http://massvt.sk/editor_uploads/system/files/saxafexuvov.pdf
- https://art-eria.pl/mandarynka/pliki/files/nojaxejodimaniki.pdf
- http://giorgimpianti.com/userfiles/file/kanumirelalogigejovewe.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327657f41f0---7231688236.pdf
- https://mintedimages.com/ckfinder/userfiles/files/lasapukapotofipoxut.pdf
- https://holcom-wd.com/webroot/img/files/puworufenewosuvo.pdf
- http://sangsangins.com/upload/upload/file/27137256198.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=neet+past+10+years+question+paper
- 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_off0000cc36.bin43318b66a11649f18b43c892bf080f7190a79e2ed757fbe4d443ecbe9854c96f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC36 | 10708 bytes |
font_01_sfnt_off0000e501.bin8c6fb393fe7fbf3aea239c182eb0c1415278b915031c05126d0eba076b1b9e1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE501 | 18796 bytes |
font_02_sfnt_off000115cc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115CC | 16792 bytes |
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