MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ClamAV and an ML classifier, and contains numerous embedded URLs. Several heuristics indicate the PDF functions as a link farm, with some links pointing to compromised CMS uploads and disposable hosting. The primary purpose appears to be directing users to potentially malicious external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://vektorma.ru/uploads/assets/file/16048789700.pdf In PDF document text
- http://trungtinjsc.vn/upload/FCK/file/zifibukarutufo.pdfIn PDF document text
- https://ksuskalology.com/images/file/50940548415.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/ruzivimunewuz.pdfIn PDF document text
- https://premium-house.uz/images/file/69470028918.pdfIn PDF document text
- https://tekstilkentrehber.com/upload/ckfinder/files/bejusovugi.pdfIn PDF document text
- https://happycondo.leaddeehub.com/userfiles/files/fubuwiraxafapidogazisi.pdfIn PDF document text
- http://www.dgtrans.co.th/login/ckfinder/userfiles/files/71661560253.pdfIn PDF document text
- https://winpoasia.com/ckfinder/userfiles/files/88180957598.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab09b2754e---29468945498.pdfIn PDF document text
- https://medtek.vn/storage/file/nafaja.pdfIn PDF document text
- http://zjleiou.com/images/upload/File/tujikeduzojefajudan.pdfIn PDF document text
- http://96stone.ru/userfiles/file/tanuninowiwetawomijewiji.pdfIn PDF document text
- http://gsmontaggi.it/userfiles/files/29262320307.pdfIn PDF document text
- http://hangtatmj.com/userfiles/73086353556.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e35d9de008---12071865860.pdfIn PDF document text
- http://mjacz.cz/soubory/files/sunidosipigilek.pdfIn PDF document text
- https://kenhquangcao.vn/uploads/files/zofolasivoxolukivil.pdfIn PDF document text
- http://lifeisartfoundation.org/sites/default/files/images/userfiles/file/70318617466.pdfIn PDF document text
- http://tieulongcopro.com/luutru/files/67823436356.pdfIn PDF document text
- http://www.museopizarra.com/ckfinder/userfiles/files/kiwukizajabef.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143e5b476fc3---lixodob.pdfIn PDF document text
- http://cyclad.org/UserFiles/file/xajijufidewup.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=w+two+worlds+ep+1+eng+subPDF link annotation
- 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_off0000f081.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF081 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010898.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10898 | 10684 bytes |
SHA-256: f329a1cf748f6d76bfa61d6c150192f6ad3ecaa0eddd1aefb92f8467bc4ab778 |
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font_02_sfnt_off000120e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120E0 | 22128 bytes |
SHA-256: 55f2c6c6e8b542024f3789fb58475129271aa955122a385b23781935ccaa15ad |
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