MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The file's structure and the nature of the URLs indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://catamma.ru/uplcv?utm_term=how+to+say+weather+in+spanish
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/7b235561acf4ae720c00127ef1c210d4/jubiwotasopunavoziwemetes.pdf
- https://go2germany.ru/files/file/wafiledagojimed.pdf
- http://onfireinteriors.com/userfiles/jiparoluwazoduv.pdf
- http://www.vandiestbrandstoffen.be/uploads/files/wafikejabo.pdf
- https://papiratisk.cz/soubory/30648700126.pdf
- https://alixdemassy.fr/userfiles/file/vosujutilefemep.pdf
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/abgd0ear123b3fpkf5r2mhvd83/53278331442.pdf
- https://fourseasons.events/wp-content/plugins/super-forms/uploads/php/files/dcc4ea63372e9430f93c89cd0ff4280f/sefunu.pdf
- http://hayatteknoloji.com/webimage/file/47865137746.pdf
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/ca655592b7d4a1d0c4edb40a489879c4/56321339452.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160be77dfd2fbe---rapotupaxofotevosisoma.pdf
- http://coinproject.com/userfiles/image/file/68545184283.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/7c8hmgfr3qn502efv5qmk4f056/64887737434.pdf
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/am989bptge2tanlq8rm4jbc15p/zepagososux.pdf
- https://iqmuseum.mn/uploads/files/32122672240.pdf
- https://vinadesigndanang.vn/uploads/image/files/laxinasanazofaroj.pdf
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/64f1f6af965582b21830796f020768fe/16902669283.pdf
- http://mazraeir.com/images/upload/files/72758086584.pdf
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/f3352c2256371982f8039d57302d3648/58154059822.pdf
- https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/1b41b3e54cd26214105feebf54ca08e5.pdf
- https://jagamimpi.org/contents//files/76068182762.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/fe514343cd1c80315822bc2349946351/49599515866.pdf
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089bc6259f41---kewimuwesidujewajoxe.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_off0000e595.bincb5c9f06108b4854a7af953d60e644510434194b8416dc50ea85954be6f7b1fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE595 | 10492 bytes |
font_01_sfnt_off0000fd74.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD74 | 16792 bytes |
font_02_sfnt_off00011586.bin1650986afe5167de8a00ebcf8f8057729206d78610745b2a5726c9dc3ed1094f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11586 | 17828 bytes |
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