MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many hosted on disposable domains or compromised CMS uploads, indicating a link farm designed to redirect users. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing or trojan variant. The presence of multiple unknown URLs suggests an attempt to distribute further malicious content or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/32316042118.pdf In PDF document text
- http://slmj8.com/data/userfiles/files/movopalubopa.pdfIn PDF document text
- http://lovesenergy.nl/file/49852335116.pdfIn PDF document text
- https://minjar.mebel18.com/uploads/files/fodegabilo.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/9hqo7s121hm7vmk5qv4424tsh2/62497431858.pdfIn PDF document text
- https://haysalon.com/public_html/userfiles/file/kowudofiwixawikenov.pdfIn PDF document text
- https://viceda.com/userfiles/file/22479782862.pdfIn PDF document text
- http://hrudolf.com/userfiles/lijirodadavulozapomatesul.pdfIn PDF document text
- http://kazuma.ru/ckfinder/userfiles/files/dabolemagajugoxinifesi.pdfIn PDF document text
- http://asupuro.com/user_data/image/file/69733041642.pdfIn PDF document text
- http://speednewslive24.com/assets/ckfinder/core/connector/php/uploads/files/60276436105.pdfIn PDF document text
- https://sbmhavacilik.com/userfiles/file/xufote.pdfIn PDF document text
- http://islaminkiel.de/webmisr/uploadwebmisr/file/30220019288.pdfIn PDF document text
- http://harasim.cz/uploaded/files/burugufikavufovesos.pdfIn PDF document text
- http://onfireinteriors.com/userfiles/petufujibawarawagurux.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/dja0u821527iit9sogfjq6mc6j/temimo.pdfIn PDF document text
- http://ljjxmining.com/uploadfile/file///2021090211560017.pdfIn PDF document text
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc86164b78---49646914860.pdfIn PDF document text
- http://linza-market.ru/upload/files/69052315935.pdfIn PDF document text
- https://ubranni.com/uploader/files/14824850253.pdfIn PDF document text
- http://tlw.ro/UserFiles/file/nujuriken.pdfIn PDF document text
- http://atdawnwelift.com/userfiles/file/81155652949.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/162ad92203e6f2573225660a29018ee1/65634068680.pdfIn PDF document text
- https://chulintemple.house-well.com/CKEdit/upload/files/77027839841.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=how+do+you+get+gems+in+clash+royalePDF link annotation
- 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_off0000b210.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB210 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA27 | 11108 bytes |
SHA-256: 07d30fcc29d875cef529d707f3c0437fcb778e83331d03d45781f3875b05dc35 |
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font_02_sfnt_off0000e3ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3AB | 15136 bytes |
SHA-256: 2bd4f8875955c52b4f77062bab1da960357773467f1301aed0b61abea227b28f |
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