MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a link farm pointing to compromised WordPress upload directories, suggesting an attempt to distribute malicious files or redirect users to phishing sites. The presence of external URIs and link farms indicates a likely phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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=download+pokemon+leaf+green+gba
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/bcb0565494af015109013eed28dccc57/vorojakexudafaz.pdf
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094b27d5f294---62167955035.pdf
- https://gangnampools.com/contents//files/88632608853.pdf
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d57a76671d25185f1d98e21523b7ec99/noboxugegutibalejosefana.pdf
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/88567e86fc3a054179098abf2a4a0b9d/guteforewaxavipurowe.pdf
- http://alpanelektrik.com/depo/sayfaresim/file/31323127072.pdf
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/fkfm1kcd0p9okibltm9sj80gk0/wifufunetuxanekuge.pdf
- https://samarpanbharat.org/trila/userfiles/file/vididanojilamuzururuwome.pdf
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/6a3dd4d9f0c2f194531963a6b8e03810/fajevisibedozirig.pdf
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d78c14e5f809577fc4963b1be74dab01/94710505793.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/7da5d41ec71578c27cfb2d6e604af7bb/tedutodutufinos.pdf
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/f058c2f243fc5b0f2d0d21c507af24ab/29520926872.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/d89c45a374819c749f36fa6936e14522/nuxozigamajomobiv.pdf
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/uqog9fhqoc0hhr7e04ttrjca6k/vadojuz.pdf
- https://pinpointfeedtech.com/ckfinder/userfiles/files/10462351618.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16077eb24ba232---kivatirinosixajukexi.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/c0f1059da41283166aed03cd7778c5d4/41053347783.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e657.bin8037a7e84eead5fdb01904fedd52c837a8d8571634b850c5fe02594c14ac3f4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE657 | 5476 bytes |
font_01_sfnt_off0000f8f6.bin4146d729a3dea1d2a6c4ce50baeabf046ae731dcef213010d4c59c6ac111434f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F6 | 3368 bytes |
font_02_sfnt_off00010397.binf0e8961953b8c39cc8e988b49fe870ae087f4adaf70e77d61092ae2c1ecbded0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10397 | 13720 bytes |
font_03_sfnt_off00012d5b.bin2c29292a17291e7f1c92c8419eab535ff5b2f38a6dc6ec194c2fc74918f3b9f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D5B | 17104 bytes |
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