MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by a ML classifier and ClamAV, flagging it as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely serve to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff82f12339---jumofonejigozuvemoritagip.pdf In PDF document text
- http://francescofesta.it/userfiles/files/36031287037.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16131fde615c47---gagilezarugoroxesenalen.pdfIn PDF document text
- http://csc0898.com/userfiles/file/20210903081707_vfl3m6.pdfIn PDF document text
- http://lnshiyue.com/userfiles/file/20210904073029_498252030.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/u1pvbvgtsvl31uc9p09kmdtig1/mujobibiboxatifi.pdfIn PDF document text
- http://autohondl.cz/userfiles/file/54711419844.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/78409329183.pdfIn PDF document text
- https://thic.muki001.com/plugin/ce1/ckfinder/userfiles/files/zokebepaj.pdfIn PDF document text
- https://trouver-une-ssii.com/img/pics/files/54396692673.pdfIn PDF document text
- http://iiiemjobs.com/FCK_Editor_Images/files/waxukemovedejafosun.pdfIn PDF document text
- https://valleyrentals.com/userfiles/file/nomujazo.pdfIn PDF document text
- https://braveathlete.net/geektic/files/bisukat.pdfIn PDF document text
- http://swissies.lt/ckfinder/userfiles/files/fogabugokuzi.pdfIn PDF document text
- http://primaria-ciocirlia.ro/media/file/11265889151.pdfIn PDF document text
- http://tyextractor.com/d/files/duvegukulamojivusa.pdfIn PDF document text
- http://elcampoeco.org/FCKeditor/file/9269052214.pdfIn PDF document text
- http://ukonlinedirect.com/userfiles/files/72304796294.pdfIn PDF document text
- https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/10622180227.pdfIn PDF document text
- https://bataretak.com/img/files/file/21236070108.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=free+instagram+followers+unlimited+trialPDF 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_off0000d6ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6EC | 10860 bytes |
SHA-256: b182e48b8e3270f9080e517b4cc06435dcf15a2e42699588c212aaef138954d8 |
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font_01_sfnt_off0000efde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFDE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000107f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107F0 | 18484 bytes |
SHA-256: 00da6ebd5a1b431cc205f679ffe1309b61e9c2ff350238905879eaf36863369d |
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