MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which are associated with compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these URLs and the overall structure indicate an attempt to distribute malware or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://wastran.ru/uplcv?utm_term=teatv+apk+for+smart+tv PDF link annotation
- http://7seapharmtech.com/Uploadfiles/files/9275702529.pdfIn PDF document text
- http://dekoblickfang.de/userfiles/file/lakoxurosusa.pdfIn PDF document text
- https://corpeverest.com/ckfinder/userfiles/files/roroxezebisaw.pdfIn PDF document text
- http://blossomtour.net/FileData/ckfinder/files/20210910_8E759723F8922BE0.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145ed8c41525---mimazex.pdfIn PDF document text
- http://ambcavallon.eu/userfiles/files/zaxigejijodutikagibiwa.pdfIn PDF document text
- http://www.vljainandco.com/userfiles/files/wogejizezapejamero.pdfIn PDF document text
- http://stepasidemedical.com/images/uploads/file/bujugizibuwivazuwiguse.pdfIn PDF document text
- https://cairparavel.ro/app/webroot/files/userfiles/files/78979316435.pdfIn PDF document text
- http://yogo110.com/userfiles/file/rixivulexazeju.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/622331850.pdfIn PDF document text
- http://originalbau.hu/imagesfiles/50100312792.pdfIn PDF document text
- http://ministryofrum.com/memlogos/file/jifer.pdfIn PDF document text
- http://giasudaihocsupham.com/Images_upload/files/xozomezakawufokaradatezi.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613d236b566b5---zonojolunile.pdfIn PDF document text
- http://www.tractortools.cz/ckfinder/userfiles/files/didusijulabiw.pdfIn PDF document text
- http://preiswerte-unterkunft-papenburg.de/mediapool/fugon.pdfIn PDF document text
- http://ikhmongol.mn/ckfinder/userfiles/files/18213555819.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/6395278f7d3ddb6fe310cad0edb51368/pulemiruwumafozitikuxe.pdfIn PDF document text
- http://prosefkuchare.cz/userfiles/48017943030.pdfIn PDF document text
- http://qbcar.ru/ckfinder/userfiles/files/12422562085.pdfIn PDF document text
- https://altaitur.com/ckfinder/userfiles/files/liburefotavisafi.pdfIn PDF document text
- http://yearbookplus.com/uploads/ckfinder/files/2012004601.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_off0000b137.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB137 | 16156 bytes |
SHA-256: 2e36cee59cac46a2623f0923ca238beb9faf7bb1e59f112fe5040807e214bfa3 |
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font_01_sfnt_off0000da33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA33 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f24a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF24A | 10400 bytes |
SHA-256: 5cde5f56217029f4d48388d0b244889ffa42c3d5f732f40660d90fb42f86c0fe |
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