MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these URLs and the overall detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://drafthe.ru/uplcv?utm_term=total+history+and+civics+10+icse+answers+2019 PDF link annotation
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160ad30c5a3a3c---nesiliminoruposub.pdfIn PDF document text
- http://odontoflash.eu/userfiles/files/91137997012.pdfIn PDF document text
- http://dulichgiahy.com/upload/file/91262635333.pdfIn PDF document text
- http://solarhomepage.ch/fckeditor/editor/images/file/48378491265.pdfIn PDF document text
- https://affordans.com/ckfinder/userfiles/files/53137189572.pdfIn PDF document text
- http://cokhibaosang.com/media/ftp/file/vatawonilijika.pdfIn PDF document text
- https://apotekatia.ba/fajlovi/91089660080.pdfIn PDF document text
- http://dalnoboy.org/data/filestorage/upload/files/puxutadatizan.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/0c25d6682e11d1e84de34e50e0c4f6cd/73811849022.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/505b21f9db68d12187e6b2021c30bb6e/pixenomeju.pdfIn PDF document text
- http://ambulatorioveterinariorigolon.eu/userfiles/files/1536729564.pdfIn PDF document text
- http://holzweiss.at/71638136346.pdfIn PDF document text
- http://rotang.net/userfiles/file/82822043646.pdfIn PDF document text
- http://artgraf24.pl/userfiles/file/zitetolip.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc3c983e06---6085104940.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/660cf79ea2003f5f161585ecfc16b70b/tubowalejifufajinen.pdfIn PDF document text
- https://worldmedglobal.com/userfiles/files/jurujegisexawujirubav.pdfIn PDF document text
- https://p87.hu/files/dozosonotedoxalixul.pdfIn PDF document text
- https://betenagro.com/sites/default/files/file/jivupuxemefizujarazuzonox.pdfIn PDF document text
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a1872f18e---79692222029.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA27 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001023e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1023E | 11160 bytes |
SHA-256: 8ec3dbf2000216197e2d611e487761355d148abe055cf7480a54c330afe83503 |
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font_02_sfnt_off00011c7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C7C | 16544 bytes |
SHA-256: 2aeac86df6744cba0bd2bc81ceec4711685d279916ce2235374cbcbe459ffe6f |
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