MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as a phishing trojan. It contains numerous external links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the nature of the heuristics indicate a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://irlanc.ru/uplcv?utm_term=climax+of+the+plot
- http://tencanpowder.com/d/files/tuwejoxolefejabonari.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aef006737a---75223834864.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086707aaa7ae---23877153967.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/8b5de7dbe64c6668686b72ed4d68f9c5/56383050666.pdf
- http://tuzvedo.hu/elemek/file/fowolosorisowepomewifazu.pdf
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/1778819175b9bcb1fb7da5dc03ff6627/2282447279.pdf
- http://logiccpacma.com/ckfinder/userfiles/files/87870092057.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f8dc73338---90646758155.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c98b9cc6438---liven.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/de02d2ba23b46f132ecfd1f6459392f0/32693866801.pdf
- http://kartinatv.org/uploads/files/98326106453.pdf
- https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/f25spl8jmlcd2n51srsj90q6dp/zurejevelobuk.pdf
- http://bfr-bialapodlaska.pl/userfiles/file/benukosilisetuzavon.pdf
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083912716eaf---42187936544.pdf
- http://nowyhotelik.pl/userfiles/file/40055253143.pdf
- http://www.advokat.com/app/webroot/img/fck/file/89047694825.pdf
- https://thehideawayresortpattaya.com/userfiles/files/fijovixuxaxitidezu.pdf
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/db0de896f73f39a7326ea5a02bd05da9/8963963108.pdf
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/22e45fb442285ec037467261e17c4a0b/pototoku.pdf
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/n7vn35qjkulv9v5eniq6e1378m/69997248166.pdf
- http://karunb.com/UpLoads/files/zegatozokelezumul.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd74965fdf2---36859269466.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/tj0fs67duejjkgfcsjh2f9bc3n/xajuj.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16098164163a0f---33825891156.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_off0000ed2f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED2F | 16792 bytes |
font_01_sfnt_off00010541.bin3f571be411f2c56ebc1a37a3178059a801d87030a5fe4d21aee89307c3237983 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10541 | 17320 bytes |
font_02_sfnt_off0001321b.bina6b78a3366812764dd38b8accfd0d79fd2a7272ab7e1c17178578692a8b24bd9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1321B | 10384 bytes |
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