MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating it likely serves as a lure. The document contains a link farm pointing to numerous compromised WordPress sites, which in turn host further PDF files. This suggests a multi-stage attack where the initial PDF acts as a dropper or redirector to malicious content hosted on various domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/a7l6c181lc6vr034kijq731ol3/9081079195.pdf
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609630dd68ec0---44520909003.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/55fu7840itpbuvfnu3ida83546/77312407967.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160be4295dcd6d---lowabebolatufabebatamapig.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a382cdbe0cb---22249843753.pdf
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/a8e636e48b10f22a92b58e137a6897db/lodiwemufikapo.pdf
- http://jiangsutravel.kr/userfiles/files/20210623_111441.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b6fe6975b6---4964362010.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16085e35147aca---runesubozesiteramiliga.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c07b59691c9---50175910313.pdf
- http://brooklynsmokeshops.com/admin/images/file/66170785121.pdf
- https://hospvetcentral.pt/site/upload/file/dejadif.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/743d7937304f5786c6592eba06a20e8d/sanizebo.pdf
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/8d705sr0mmfov9lhcqpujgb0tr/64615254785.pdf
- http://korean-school.hu/hangul/userfiles/file/sujumakuno.pdf
- https://ludifrance.fr/userfiles/file/28306385412.pdf
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a68bdeb3f27---28485465214.pdf
- https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/d56c7bc1027305f4f588e141002f972a/18670458911.pdf
- http://dashoernerboot.de/userfiles/86266841576.pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070ab173fe6d---womugeveketukijopi.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/4ec70a603db9898cff3f479cfa26ceea/pomebutivemi.pdf
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/ecd0a08380f64224138e675c3afcf695/22119557320.pdf
- https://systematix.pl/userfiles/file/66106740144.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=kate+phate+note+exchange+near+me
- 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_off0000f2d9.bincaa5d7b107719d0251c69ef6c16f39134d304194632dc9041b7710a816bb820c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2D9 | 10608 bytes |
font_01_sfnt_off00010aee.bin3e09cf9f0500cd585b8aa5e63043b9f339810b38b2c0fcffaa048f5bf786a264 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AEE | 18124 bytes |
font_02_sfnt_off00013b20.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B20 | 16792 bytes |
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