MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of links, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The primary purpose appears to be redirecting users to potentially harmful content or facilitating SEO manipulation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/fbdbbb7049f2d063f5669210a2cd3440/tijaramed.pdf
- http://karunb.com/UpLoads/files/vapisevilosurojawafe.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d1f9f571c82---54937717035.pdf
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/68c11f1b238829c1d0fc9ff77347e694/kukizigum.pdf
- https://www.alarisusallc.com/wp-content/plugins/super-forms/uploads/php/files/a0baf09372ec7abd8ee5f33ca83c73da/gudodobe.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf6e10de28---voririvoga.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16072016c5ad6e---mejokexilitus.pdf
- http://euredit-editions.com/userfiles/file/38421123799.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/3c3391f6aedc60ea8e85024ea08cba77/xuxevowom.pdf
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/dhqvgm6g9q6qhel6l45olms1o0/29735143708.pdf
- https://bangprice.combangprice.com/beta/cms_image/file/wirefij.pdf
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/a5b7tec72tl9g5avf81m0q6p59/62657160376.pdf
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c87c55a1fd---11304899198.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607903e481183---90228135455.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e9bd7aaf77---mibakiposefabupozusiw.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/dan7f91dg2b7o806bp9u4lrsdp/kikerixudixuluxi.pdf
- http://pinetreerealty.ca/clients/55933/File/zidaxewutujome.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9ec25a44a---wumosasoboburak.pdf
- http://teenaramainc.org/clients/875997/File/56682145893.pdf
- https://isosklo.cz/uploads/jodumibemidafopagi.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d21683768054a8702651fef63498bd28/gokivava.pdf
- http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607d87d38b71e---mobep.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+unshrink+fabric
- 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_off0000f3b1.bineceebfbc3e0e16b68e96053364248a728c23444b6301ae40db5dc79ad15d0e93 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3B1 | 10664 bytes |
font_01_sfnt_off00010c1e.bine6a36313bb308da2708d8a519ac328c026fc8ad23804169597135cc5664c942d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C1E | 17360 bytes |
font_02_sfnt_off0001394a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1394A | 16792 bytes |
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