MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous links to external websites, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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=android+finance+apps PDF link annotation
- https://jobtiara.com/files/files/paxabosipukojoloten.pdfIn PDF document text
- http://albertf.madteam.net/ckfinder/userfiles/files/2491640329.pdfIn PDF document text
- http://adas-muko.pl/photo/file/rejasoxajedonutito.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/uggdsrd0hsv719d764nfiha3v0/89235556380.pdfIn PDF document text
- http://daechienglishpark.com/ckfinder/userfiles/files/besev.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/e37b53216d8656e585bce40d018360b5/37520591736.pdfIn PDF document text
- https://komunalno.vrgorac.hr/files/64803632924.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/aa1c90b7fd5717b9e90be99f5bbe420f/7190660986.pdfIn PDF document text
- http://maybaobidinhdinh.com/upload/files/jenowagifoxunajivogis.pdfIn PDF document text
- http://travellerisland.com/files/79955739065.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16138bbad47010---nuletuvaxosusibi.pdfIn PDF document text
- https://serviceservice.eu/userfiles/file/ragemobapuku.pdfIn PDF document text
- https://hr-serdahel.hu/images/file/2388400446.pdfIn PDF document text
- https://eccdc.org/application/webroot/userfiles/file/92738039899.pdfIn PDF document text
- http://meskerjager.nl/media/files/11351843864.pdfIn PDF document text
- http://acevina.com/webroot/img/files/89054683858.pdfIn PDF document text
- http://zulassungsservice4you.de/bilder/file/jiwiwapu.pdfIn PDF document text
- https://hoakhanh.vn/uploads/image/files/bomipamamol.pdfIn PDF document text
- http://handgun.ee/media/file/51814972740.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139ae7a7f8be---45582588138.pdfIn PDF document text
- http://madmojo.com/fckupload/file/91997430463.pdfIn PDF document text
- http://www.skk.com.hk/admin/ckfinder/userfiles/files/dawubenurodi.pdfIn PDF document text
- https://domilot.com/uploader/files/puzanone.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/76517363720.pdfIn PDF document text
- https://dunaweb.co/bg_image/files/1623631151.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_off0000e392.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE392 | 10452 bytes |
SHA-256: 0adfb77cdb62eea0761fc7a0f35599851c01eb2fea8b16d456a4de066b9afa11 |
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font_01_sfnt_off0000fb5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB5E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011370.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11370 | 17260 bytes |
SHA-256: b91c2bcadbc11300713e37c5443edfe80686899db6b5712cf475dda7b924179d |
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