MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains embedded JavaScript and a large number of external URLs, many of which point to compromised websites or disposable hosting, suggesting an attempt to lure users to malicious content. The presence of embedded JavaScript indicates a potential for executing malicious code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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=emulador+de+juegos+android+para+pc
- http://toyotaprius-custom.com/js/upload/files/leniru.pdf
- https://studyhalltracker.com/files/file/28216163627.pdf
- https://ratsimae.ee/media/contents/file/puxosezisoginipo.pdf
- https://portecitadelle.portecitadelle.ca/ckfinder/userfiles/files/gusufudukiwuwakelaxi.pdf
- https://www.la-melodie-des-saveurs.fr/ckfinder/userfiles/files/foxudun.pdf
- http://elistaprezentow.pl/userfiles/file/62036179260.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161372d773e041---98257256126.pdf
- http://domplus.su/userfiles/files/78025671363.pdf
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/b3c06348fca311854fcd9ee790ff7bf1/lijelizu.pdf
- http://acudrved.com/ckfinder/userfiles/files/rawojeten.pdf
- http://www.klimavill.com/data/editorfile/felipawudejibuzowaz.pdf
- http://stlnsk.ru/uploads/file/visaxogogujixe.pdf
- http://dogalakustik.com/depo/sayfaresim/file/18321194023.pdf
- https://accounting789.com/ThImg/file/82472010744.pdf
- https://burkina-businessschool.com/business_school/uploads/file/35851988377.pdf
- http://kompassztuki.pl/Image/files/lubowemibebu.pdf
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/859be9da4b6a449e78285e81a4ea1290/lidipe.pdf
- https://la-klamm.org/Files/files/madofutamizokuxotebonit.pdf
- http://em-mould.com/ckfinder/userfiles/files/77482783985.pdf
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/5vlfmqrv00h28oco9484glr4ef/54887500176.pdf
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614191fc3bf10---77033292790.pdf
- http://bsinteriordesigner.com/userfiles/files/xomoxejuzo.pdf
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe7670ba22---71234228366.pdf
- http://huichem.com/ckfinder/userfiles/files/soromupizone.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_off0000d775.bin29e1676bc4e2475dbb514e76284ac1cf1e37fec4bbeb4a296567b072d7d0a51d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD775 | 19332 bytes |
font_01_sfnt_off00010870.bin74478fd2df24703f2ad436ff5a933d04ea7ab67a9a4e26d8f945b8ff71b47262 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10870 | 10972 bytes |
font_02_sfnt_off0001218f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1218F | 16792 bytes |
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