MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. These URLs are likely intended to host phishing content or distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://laborke.ru/uplcv?utm_term=schedule+power+on+off+android PDF link annotation
- http://solyaris.pro/admin/ckfinder/userfiles/files/bevaxavurekogoki.pdfIn PDF document text
- http://siblom.ru/files/upload/file/23941321936.pdfIn PDF document text
- https://phunhai.net/upload/files/29516952832.pdfIn PDF document text
- http://wellfoto.cz/pictures/files/roredono.pdfIn PDF document text
- http://studiobonvino.com/userfiles/files/lupodo.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab3d683e4e---24936472987.pdfIn PDF document text
- http://taaltoetsvo.nl/userfiles/file/96077872471.pdfIn PDF document text
- https://livnica-metalurg.com/images/pages/file/wijedofiguz.pdfIn PDF document text
- https://newsale.linyn.mobi/upload/ckeditor/pages/files/bamiminalajebedabugo.pdfIn PDF document text
- http://nhasachconggiao.com/luutru/files/80905344230.pdfIn PDF document text
- http://gespk.com/userfiles/file/73043353205.pdfIn PDF document text
- https://incoyun.com/calisma2/files/uploads/5659255787.pdfIn PDF document text
- http://fuzoku-kyujin.jp/ckfinder/userfiles/files/35567108009.pdfIn PDF document text
- https://dolupin.com/calisma2/files/uploads/8420267482.pdfIn PDF document text
- https://www.miotsukushi.or.jp/system/ckfinder/userfiles/files/25523486632.pdfIn PDF document text
- http://loca-granderoue-montaletang.com/ckfinder/userfiles/files/zifujoromarudobaboxegeras.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/85028927379.pdfIn PDF document text
- https://sledovani2.gpshlidac.cz/www/userfiles/files/sujejonumilugewojakotu.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161456b83d5d15---patipinugominuxafupopulo.pdfIn PDF document text
- https://maintogelonline2.org/contents/files/mozimevikameravur.pdfIn PDF document text
- https://molecult.metallo-tests.ch/sites/web/upload/files/fakomegemagilutufebakovem.pdfIn PDF document text
- http://imobilestore.de/userfiles/file/20054954146.pdfIn PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/18d6eb479f82591f95fb334d11fcaa4c/kuxomigezovawex.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_off0000c344.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC344 | 18180 bytes |
SHA-256: f50c1efbf25e497117b9ff84e87c501c3d19912f4031fc4b8acdcc9bb974a8bf |
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font_01_sfnt_off0000f21e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF21E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A35 | 10712 bytes |
SHA-256: bd2a4283c0508d52522f2f498a1ae4f6d3b3627f01f8c20ff3beb2db13db204f |
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