MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress sites. These links likely serve as redirects to malicious or phishing content, aiming to trick users into clicking through.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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 http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/dc05c40043da8a9687fce0a4cea06ad7/94357419164.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd39721332f---kovumuta.pdf
- http://kccmaul.com/files/files/1843817727.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bb84c2078da---riveto.pdf
- http://cariboohose.com/userfiles/file/jumovadu.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160866f11d80da---54600771864.pdf
- http://zhongjiukeji.com/upload_fck/file/2021-8-30/20210830231718303319.pdf
- https://hoavily.com/uploads/files/6596790993.pdf
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/18e34d7d092dfc068603bd621a989d12/dudedefazorero.pdf
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/dusenulimevifidik.pdf
- https://perfecthospital.org/FCKeditor/file/devonewemasot.pdf
- http://fouladsazanco.com/Upload/file/dojakabuwabef.pdf
- https://gulfsupremesa.com/ckfinder/userfiles/files/49371143901.pdf
- http://refpecsbelvaros.hu/kepek/files/sezipon.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/h4ibjrebg2dfmma2mddmca90b8/45444880130.pdf
- http://teenaramainc.org/clients/875997/File/sovagupuzezumavijigo.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5f53e2814---jurerovetunikudemilagel.pdf
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/69fdbd6a09496bcf18aa677c22fc1a38/88159244014.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/a1855dg1bbiqdb5anatmr30mnt/22666708019.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777662010eb---4782379104.pdf
- http://bright-mineral.com/uploadfile/file/2021062215550429.pdf
- http://westtech1963.com/clients/d/d4/d4250bc21dcbbf02d7f9bc68df143add/File/tisexavodikakiduduw.pdf
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/td06ofiq00u1df41etgq2a8gfi/totebori.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=wicked+lies+boys+tell
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f9f973527ce---kusizovopesobulez.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_off0000f803.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF803 | 16792 bytes |
font_01_sfnt_off0001101a.bin3dd4aaf50f4995b061c229e40cb15febce00bd8018f2bb0aed73946580bd1f84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1101A | 10336 bytes |
font_02_sfnt_off00012793.bin6d5eb26a70f15ac23206b77f9f216bc50bb986befc0611b48521350bd11aa403 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12793 | 22764 bytes |
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