MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm or phishing lure. The PDF's structure and embedded links indicate it's intended to redirect users to potentially malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://synerhu.ru/uplcv?utm_term=rune+factory+4+android PDF link annotation
- http://nsk-nalogov.net/upload/files/71946163631.pdfIn PDF document text
- https://service-panev.com/userfiles/8979097104.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1613269c928e76---renusunuz.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/0hu2eq9oq5f7lq6ucggfrei510/werebogofufa.pdfIn PDF document text
- https://goodluckfishing.com/ckfinder/userfiles/files/xesezabimomozizutanule.pdfIn PDF document text
- https://xn--80ag1a2a.xn--p1ai/files/file/tanekixejitulizetus.pdfIn PDF document text
- http://quangphong.vn/uploads/image/files/xasunaraxexibuvafugur.pdfIn PDF document text
- http://jorkurojus.com/userfiles/file/fuvimepu.pdfIn PDF document text
- http://come2menorca.com/images/file/76926464580.pdfIn PDF document text
- http://allycatering.com/userfiles/47732930164.pdfIn PDF document text
- http://studiopol.com/userfiles/files/vulinebobebazokipi.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/6f19f95ag23gsjr29u5308ahcf/lifafikezevaropavupijuwo.pdfIn PDF document text
- http://inlovehuahin.com/file_media/file_image/file/44266612120.pdfIn PDF document text
- https://kawanmto.net/contents/files/vijab.pdfIn PDF document text
- https://tunhuaduytan.com/upload/userfiles/files/20117562233.pdfIn PDF document text
- http://doorsatyrau.com/ckfinder/userfiles/files/86904162563.pdfIn PDF document text
- https://abhimaninteriors.com/ckfinder/userfiles/files/11917003686.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/dajesadu.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161464469d2c83---pafujofesuwubozegusifoxo.pdfIn PDF document text
- http://clerus.hu/files/file/dozuromijur.pdfIn PDF document text
- http://marleenjansen.nl/images/uploadfiles/gaguk.pdfIn PDF document text
- http://kleinschadenexpert.de/userfiles/file/96850086430.pdfIn PDF document text
- http://wwstationery.com/files/file/71722242510.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_off0000d701.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD701 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF18 | 10592 bytes |
SHA-256: 9a35961f43689e475a1909707cc13f99d26ec667e45e2e19d5ee50d5aaa48ad6 |
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font_02_sfnt_off00010781.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10781 | 18508 bytes |
SHA-256: cf2d5e81407bbfd905623ed6ae191c65406a70e581b7e70dbb8e3f7abbc828fa |
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