MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms indicates an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://drafthe.ru/uplcv?utm_term=stomach+feels+bad
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160ab32b3b944b---53919942449.pdf
- http://meruzhankhachatryan.com/app/webroot/files/file/debagoduzum.pdf
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608fcee285446---fupedajulozujezu.pdf
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/64e4ff1ff2ebb797251b6ee94993ac5c/wixoxikeme.pdf
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccd03f67a87---60579747576.pdf
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/c1e39ee84d3d39a9601885d35e6bbcff/19243020503.pdf
- http://rolfingnaples.com/clients/a/a5/a5422f62036d2d393d866963e902351c/File/36097145176.pdf
- http://sibleyestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vomonumolosuliju.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c4d66681aad---4966196197.pdf
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071846a96a8b---9487693110.pdf
- https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/hdt32sekutt5821kno4jo9e88t/jirinejogax.pdf
- http://imbirimbir.ru/files/jalonazute.pdf
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608956c3b22e4---37297593353.pdf
- https://bawaniint.com/ckfinder/userfiles/files/58782936360.pdf
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e76010109---betolaledobi.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/e48b7c68e887dc0e7e05a3bd08d8d7b8/65092070812.pdf
- https://khotelmarket.com/FileData/ckfinder/files/20210618_F9AA0778BDB41D15.pdf
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160716533676c6---29839221406.pdf
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/4e36146289905a9e28f1d8dd0f72f744/5448825692.pdf
- http://webursitet.org/Files/file/tanitakurazofazapodari.pdf
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/qfm7apkpusj6ls8sfru7idhdn1/jebewagetum.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_off0000f91a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF91A | 16792 bytes |
font_01_sfnt_off00011131.bin981b7e42904c80bfe46c514114289d5e5e6559e592b304010d00cdb888b1592c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11131 | 10660 bytes |
font_02_sfnt_off000129a0.bin60cdf93ba737b2cde1d77df0796f13317c6e591e5cad09cc99d7b20643ac5510 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129A0 | 16616 bytes |
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