MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, forming a link farm. The primary purpose appears to be redirecting users to malicious content, likely for phishing or scamming purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://synerhu.ru/uplcv?utm_term=profile+scheduler+android PDF link annotation
- http://rasmesafar.net/basefile/basefiles/lewijonutejizo.pdfIn PDF document text
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/fumiterefa.pdfIn PDF document text
- https://medarbindia.org/ckfinder/userfiles/files/gerijujibefij.pdfIn PDF document text
- https://thefertilizerproductionline.com/d/files/gasosozuta.pdfIn PDF document text
- http://sevoir.hu/uploads/file/xaxuxejagivenunajomidu.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed48066dfa---dotulu.pdfIn PDF document text
- https://edex.co/userfiles/files/60705308499.pdfIn PDF document text
- http://uklearningnetwork.com/userfiles/file/xataxomarumupiwagolemiwu.pdfIn PDF document text
- http://studiotecnicobonoli.com/userfiles/files/61586847045.pdfIn PDF document text
- http://amghanoi.com/images/ckeditor/files/sumikeje.pdfIn PDF document text
- http://euro520.net/userfiles/file/16305402782078887044.pdfIn PDF document text
- https://kvzriu.org/images/file/42958031132.pdfIn PDF document text
- https://medbillings.us/lightspeedweb1/file/gatekosep.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161337517cc323---nunajirujagabujesigox.pdfIn PDF document text
- http://hortherbpublisher.com/files/upfiles/file/duposorumew.pdfIn PDF document text
- https://reha.bg/content/upload/file/91886932343.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/640b82be704393959809207180ebc4db/16404993854.pdfIn PDF document text
- http://z-sinpro.com/upload/files/buririzewalobi.pdfIn PDF document text
- https://thic.muki001.com/plugin/ce1/ckfinder/userfiles/files/vuwilipunexowogiburineka.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141316f903a1---16954058322.pdfIn PDF document text
- http://pngroup.pl/ckfinder/userfiles/files/rarurugovalusetez.pdfIn PDF document text
- http://anaminfo.com/attachfile/file/45569690473.pdfIn PDF document text
- https://www.jancsoalapitvany.hu/ckfinder/userfiles/files/84607619734.pdfIn PDF document text
- https://projetovm.com/uploads/files/97000706652.pdfIn PDF document text
- 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_off0000cefc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEFC | 10576 bytes |
SHA-256: e826aed441ac1ba9d75a97b5a45bf314f6c293e71d9cfaa8220bd3651ce20e20 |
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font_01_sfnt_off0000e707.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE707 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ff19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF19 | 17132 bytes |
SHA-256: 1a9ad9e1afdf57b79062edec7253acb7393cc54bd0f84d362c3cd5beaafc0bdd |
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