MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1059 Command and Scripting Interpreter
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external sites, many of which appear to be part of a link farm hosted on compromised or disposable domains. The 'SE_CLIPBOARD_COMMAND_LURE' heuristic indicates the document instructs the user to copy/paste commands into a shell, a common technique for executing downloaded payloads. ClamAV also detected this file as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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=how+to+root+android+2020
- http://radio-salsa.fr/php/rs/filesupload/file/fesasopiwazepamalerewo.pdf
- https://www.lire-les-notes.com/ckfinder/userfiles/files/jowiketumejowokasep.pdf
- http://millecolori.it/images/file/visawegopuxefisase.pdf
- http://flamefitnessstudio.com/cewit/images/file/mewakuduxipexapijogiz.pdf
- http://jumpstart.mobi/userfiles/file/kanumupuzozosixoduluwuru.pdf
- https://dentalrud.com/userfiles/file/jubusowuxagiborebi.pdf
- https://ises.ca/phpsites/vertical_living/uploads/file/12819490732.pdf
- http://abwplazaview.com/uploads/files/62894222499.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143bd0328a20---sitewuzomol.pdf
- https://boucherienabli.com/uploads/FCK_files/file/korolepidar.pdf
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136bc9ea2242---2597909064.pdf
- http://www.ktgroup.co.uk/ckfinder/userfiles/files/losigof.pdf
- http://churchtextile.com/userfiles/file/senazapekokubelotixoso.pdf
- http://ateliergermain.net/sites/default/files/file/wakikofoze.pdf
- http://td-mg.ru/uploads/files/zidakupaxunawomevafi.pdf
- http://labradory.pl/file/96378249670.pdf
- http://haokunchem.cn/upload/files/wopozobofinosunapin.pdf
- http://bajcsidavidfoto.com/_user/file/jererawusazozavudug.pdf
- http://mlsy.cz/images/file/files/21770964697.pdf
- https://clubsecurite.fr/webroot/upload/files/zakuredizu.pdf
- https://ystechpro.com/nbloom/fckuploads/file/kuxomopa.pdf
- https://lazerom.pro/media/file/68662292888.pdf
- https://greenways.at/userfiles/file/52565807946.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/11f8d8eef8b0d196bfa5bbad9c13576e/18233847111.pdf
- http://cathugo-catamarans.de/res/wysiwyg/file/76800874485.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ffe3.bin5cc233d04c0b5acd4c730d345453f960666ab86e2361fbbdd799bb59ecbdbe83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE3 | 10212 bytes |
font_01_sfnt_off000116ed.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116ED | 16792 bytes |
font_02_sfnt_off00012eff.bin2dd00658ec1ae4e03ff24f77c5d404efe4d41f2caf912726f08bd55132bcae7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EFF | 17952 bytes |
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