MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
T1566.001 Spearphishing Attachment
This PDF document exhibits malicious characteristics, including being flagged by ML classifiers and ClamAV. The primary attack vector appears to be social engineering, specifically a ClickFix lure, which instructs the user to copy and paste commands into a shell to bypass security measures. The document also contains numerous links to external sites, some hosted on compromised WordPress installations, suggesting it may be part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 8
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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://cructi.ru/uplcv?utm_term=computer+startup+sounds
- https://its-bulgaria.bg/files/file/13947393860.pdf
- http://maynenkhiinverter.com/media/ftp/file/28932448545.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e602a971a---40559218298.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609abdb324557---fivapasomejolinagepu.pdf
- https://prtl.pl/userfiles/file/nerivifubizimalojuwavoba.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/rvju9eblvjts69rsj6fotgrns6/9446864095.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/fa31f3f298ceec7282bd60f4b1ee73c8/ketuxarube.pdf
- http://www.hussco-steel.com/husscofiles/files/vulakugibutekisu.pdf
- http://aj-logistics.com/stock/userfiles/file/70523690432.pdf
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/i091u97204jmjsl0b6lohcv805/vilusilibatudatukur.pdf
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/7854b1ce639dd3e81f1900fb68dac813/dapodoxetox.pdf
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a55ff6cdca6---wukevareresoxifetimam.pdf
- https://all-stage-meditation.tw/uploads/files/60d26923477a3.pdf
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16096afc6636e0---40719732530.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/apjp6tqkskkeabhcu1ih3d7hpc/30256021545.pdf
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/cuphtphq893hhlets1r2qhl5n5/90299269813.pdf
- https://sy-tech.eu/file/28686984252.pdf
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/4a6e7a186671464d68f7aab66590509d/wemurat.pdf
- http://muszempilla.com/files/file/xikasibosukaxobutovagutes.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16077544aded69---virixowetifumizamusi.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a15a34b03bf---wegotowifusoviti.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1608363a2c065f---16146887050.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_off0000de8c.bin386d5ded2c363e9d909ed2166aea0ef338813c3de638886038aa941f9b3936cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE8C | 10548 bytes |
font_01_sfnt_off0000f69a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF69A | 16792 bytes |
font_02_sfnt_off00010eac.binef328a6b1fa83088abde06a2f6f1fe29041ec6b7309ba4b5991daa39e928450c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EAC | 16832 bytes |
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