MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded links indicate an attempt to lead users to malicious or compromised external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
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 http://www.alex-vasilkov.ru/images/wisdom/file/36152980765.pdf
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/grph5m995h34spn424qtac0rn0/gegivas.pdf
- https://bluetact.com/locktactyuma/userfiles/file/51150353900.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ae90eac31fc---97872808046.pdf
- http://mariopresto.pl/userfiles/file/vudijiv.pdf
- http://apsara.ru/userfiles/file/51123248718.pdf
- https://ewt.cz/res/file/ludumu.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/359b870c6b5e36984746cb11113cdc89/69875086242.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1608a03f42d7e4---feraguretuxukarox.pdf
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/loc2fo2641odhkcqpge3830pc5/92750671761.pdf
- http://driver-jazda.pl/upload/file/lelukotugupirudelagenis.pdf
- https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/10c266430373e47c836945ac2802e5e7/89623323741.pdf
- https://atraba-holding.com/userfiles/file/nujevekanokuxiv.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082cdb2068df---12331503549.pdf
- https://blugarden.eu/file/doterizaxupe.pdf
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/af8a92a99de20e76330542f763dcc711/1534112125.pdf
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/eeovgdlr1hmljjtmorl9qhc1u6/7172872710.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/6bc9cdb2eacfea82557c98cb2ae1fd91/53987575093.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095e848753a3---sijugigipomexevit.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071913c54216---gaguxagita.pdf
- https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/47494587095.pdf
- http://xaydungphongphu.com/uploads/files/10358399782.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c9547eac5---95012687850.pdf
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/3jc41rhiu64fmrl4fkoirrfbe5/bujoneso.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=crafted+spells+divinity+2
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off000145f1.bine8bd5ae8dfa42d5d2b576e91fc6311e2c3edfa7a2da57c0aa477e8cc9db8ff00 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x145F1 | 18504 bytes |
font_00_sfnt_off0000e6b4.binc5c2ff4e984eea4d1aef265c4ba8653ac36236e3d6ab141d1d1b28f5abe4016c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6B4 | 17572 bytes |
font_01_sfnt_off00011526.bin6b8558906c0fff46224674f2049861f6498818fe509f66f5df83703c3b29def7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11526 | 10700 bytes |
font_02_sfnt_off00012de0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DE0 | 16792 bytes |
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