MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many of which point to compromised CMS upload directories or use disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://edex.co/userfiles/files/89720408281.pdf In PDF document text
- http://recviem.ru/img/upload/luvobezetotero.pdfIn PDF document text
- http://birkhoffhi.com/userfiles/files/tuwola.pdfIn PDF document text
- http://nhatngungoisaoxanh.com/upload/files/xemuraderatimus.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/43631034716.pdfIn PDF document text
- https://www.lashharmony.co.uk/wp-content/plugins/super-forms/uploads/php/files/sebv50eic5fdsf2tdrqa9hb1m3/tanalusebujof.pdfIn PDF document text
- https://finomisgurukul.com/public_html/userfiles/file/25550160276.pdfIn PDF document text
- http://mastrodibaglio.it/userfiles/files/mekigamefuxoloketube.pdfIn PDF document text
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/8b41e8bfbdf689ba39e9ffdb90cda509/67693871174.pdfIn PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16118f29a89f90---54068795937.pdfIn PDF document text
- http://alnadaoil.com/userfiles/file/71318200448.pdfIn PDF document text
- https://3eyamaichi.com/upload/ckfinder_temp/files/20210703045154.pdfIn PDF document text
- https://www.bnbtravels.com/ckfinder/userfiles/files/tilumu.pdfIn PDF document text
- https://sgotomotiv.org/upload/files/gaxiwofenat.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/16080541d821ac---3576231864.pdfIn PDF document text
- https://sport-jicin.cz/dokumenty/93248766118.pdfIn PDF document text
- https://berettyotv.hu/userfiles/files/70961389803.pdfIn PDF document text
- http://cuboni.com/uploadfile/hong202108170432032210.pdfIn PDF document text
- http://sallytour.com/FileData/ckfinder/files/20210828_31B85BE29272438B.pdfIn PDF document text
- https://pasarantogel.com/contents//files/66607693580.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/kewinonoxekizunu.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098df4e5f091---kebibibesitaf.pdfIn PDF document text
- https://catbasailing.com/upload/fck/file/juwulibelixatem.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=derecho+penal+espa%C3%B1ol+parte+general+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_off0000e463.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE463 | 19600 bytes |
SHA-256: 2a75cacd6eb7e806779e030968835611c36e09ec046fea499659011c774748f9 |
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font_01_sfnt_off0001165e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1165E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012e75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E75 | 11016 bytes |
SHA-256: d9f093cfcfa2b820f9000959515522d692618604fe39e0f717b1bd93166a50bc |
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