MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or are hosted on disposable domains, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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://tsolisp.com/files/file/karovora.pdf In PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140e74b2e91a---5778898638.pdfIn PDF document text
- http://euredit-editions.com/userfiles/file/samedu.pdfIn PDF document text
- https://chupwo.com/editor_upload/file/94157020502.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1613930731ff6e---75256323440.pdfIn PDF document text
- http://tysons-cafe.com/uploads/files/ketiwilodojire.pdfIn PDF document text
- http://ozcetinler.com/userfiles/file/wowipivu.pdfIn PDF document text
- https://hargagila.com/uploads/image/files/buwabelovalogizo.pdfIn PDF document text
- https://vargyasnekonyveles.hu/kepek/other/file/80734621994.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/16b4117608dddb5724610d0106ce8a1c/posabaxufo.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/imuua6r6eh2c7mieqpa6gtnq54/75139742027.pdfIn PDF document text
- http://rotarytattoomachine.co/project-new/christianbook/upload_images/file/4432410708.pdfIn PDF document text
- http://laptopcuhaiphong.vn/upload/files/sukepuxejixakukajakireber.pdfIn PDF document text
- http://conelser.hu/fck_uploads/file/vewimagevejaxaxon.pdfIn PDF document text
- http://donghotam.com/luutru/files/5105689602.pdfIn PDF document text
- https://forumsevens.com/images/file/52747558968.pdfIn PDF document text
- http://www.me.ntou.edu.tw/ckfinder/userfiles/files/20210917_024650.pdfIn PDF document text
- http://muacuoi.vn/Pictures/files/83830994777.pdfIn PDF document text
- https://elesud.it/img_pagine/file/88880882734.pdfIn PDF document text
- https://mimpishio2bet.com/contents/files/79928203328.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=free+verse+literary+termPDF 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_off00010c81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C81 | 19184 bytes |
SHA-256: daf5a807e4ded5832f532c16ebd6203f7d9bd5db0769a1f26dc85bb3dec5fe73 |
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font_01_sfnt_off00013e2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E2E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015645.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15645 | 10200 bytes |
SHA-256: 64c5eabbc371bc4d3f24838b229bde48ac4f669ee1767de5e8f04bd4fe0d3bf1 |
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