MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving exploitation or redirection to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://ketchas.ru/uplcv?utm_term=dead+or+alive+xtreme+3+apk+android PDF link annotation
- https://ans5680.preneed91.com/upload/files/89382070687.pdfIn PDF document text
- http://lamekatus.ee/uploads/ckeditor/files/kexufi.pdfIn PDF document text
- http://swiftnb.com/ckfinder/userfiles/files/43270758856.pdfIn PDF document text
- https://rts-wm.com/ckfinder/userfiles/files/51963557094.pdfIn PDF document text
- http://2446665a.ru/ckfinder/userfiles/files/37179736982.pdfIn PDF document text
- http://uitvaartverzorgingsindex.nl/images/uploads/19687192588.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145a908d2555---pexofijiteb.pdfIn PDF document text
- http://lunaleo.pl/userfiles/file/86442660987.pdfIn PDF document text
- https://martabaktelor.com/contents/files/vijewopu.pdfIn PDF document text
- http://zit-tech.com/userfiles/files/vafonamalib.pdfIn PDF document text
- http://kco.su/userfiles/file/mikopelolopi.pdfIn PDF document text
- https://techlan.pl/files/file/sodedixalopejumumotixosin.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3a2d8eea8---miwugutuler.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16138f9bd07177---wakawisajabesegujuriwe.pdfIn PDF document text
- https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/pukosovowa.pdfIn PDF document text
- https://10s317.com/uploads/files/202109072021318346.pdfIn PDF document text
- http://permanentnimakeup-brno.cz/userfiles/files/fifatizoxugofositabidok.pdfIn PDF document text
- http://di-tech.kr/fckeditor/userfiles/file/mofuworaxepotupobe.pdfIn PDF document text
- http://triatlonbizuterie.cz/sites/default/files/file/97521431100.pdfIn PDF document text
- https://theelementrama9.com/userfiles/files/98714320200.pdfIn PDF document text
- http://arci-mp.fr/admin/File/dakegizov.pdfIn PDF document text
- https://castilloexterior.es/ckfinder/userfiles/files/42469019719.pdfIn PDF document text
- https://ginecologmuresan.ro/ckfinder/userfiles/files/dilesetewofolojusa.pdfIn PDF document text
- http://gabinetortodontyczny.eu/userfiles/file/dawolasikidu.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c3d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3D6 | 17800 bytes |
SHA-256: da5c2cee2d853c34895b6de39498189c17430eefdb34161eea2eb3b8f9a77d2b |
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font_01_sfnt_off0000f194.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF194 | 10820 bytes |
SHA-256: 805ec5b726715e13e5823f2ce88c7fe868db2775cfffe5853e4dc2378c887cf3 |
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font_02_sfnt_off00010a82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A82 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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