MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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://bio86.net/userfiles/fichiers/80388799226.pdf In PDF document text
- http://tcsklife.com/filespath/files/20210905205001.pdfIn PDF document text
- http://studiolegalebisantis.it/userfiles/files/76784402618.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/b7q5v3uigvk46997j6jvt8hs0o/resar.pdfIn PDF document text
- http://lindseyderence.com/userfiles/files/xamagobizar.pdfIn PDF document text
- https://kccegis.com/upfiles/content/file/20210910065035.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137c2328e5fc---gagukamew.pdfIn PDF document text
- http://kimsanghun.com/upload/userfiles/file/20219121111142606.pdfIn PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/tugubefotozoruwodexaxu.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-9-4/20210904213153755064.pdfIn PDF document text
- https://rireenfrance.com/images/upload/files/99544412520.pdfIn PDF document text
- http://ud2-140.com/files/mixibozugikonedukudu.pdfIn PDF document text
- http://carsonpokebar.com/uploads/files/muvabidaloxoxodogekaj.pdfIn PDF document text
- https://postelezmasivu-zlin.cz/ckfinder/userfiles/files/vilivulof.pdfIn PDF document text
- http://noticiascgnews.com.br/ckfinder/userfiles/files/dugemamopof.pdfIn PDF document text
- http://barexkft.hu/userfiles/file/sorajiri.pdfIn PDF document text
- https://epagneuls-bretons.fr/caningest/images/file/xijobedagixurapi.pdfIn PDF document text
- http://p-itos.net/admin/userfile/image/file/65491722720.pdfIn PDF document text
- http://generaldistco.com/images/file/redowiguzopazot.pdfIn PDF document text
- http://euroteam.vn/ckfinder/userfiles/files/87791932960.pdfIn PDF document text
- http://realtor-madrid.com/uploades/fckeditorfile/60772330819.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613506aa26b61---30796587118.pdfIn PDF document text
- http://webs123.com/userfiles/file/mixavuxewumuzebuwude.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=el+pato+y+la+muerte+pdfPDF 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_off0000c9b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9B7 | 10492 bytes |
SHA-256: 707d05ad90693c4b3f9409b289b296a7d35b49bd57ee69feec63dd9283c340b5 |
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font_01_sfnt_off0000e1a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f9b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B7 | 19820 bytes |
SHA-256: 9c7c7043b58ec134ad6b6fe9fb91d0fc7c40a3050f7266494eba9472314ec0f5 |
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