MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a tactic to distribute links, likely for SEO manipulation or to host malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://infrive.ru/uplcv?utm_term=naruto+ultimate+ninja+heroes+3+download+ppsspp PDF link annotation
- http://zoncmswebsitebeheer.nl/files/editor/file/jifipekovunixuwewiju.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16153e6721d888---zefisavetomunukil.pdfIn PDF document text
- https://kolbandibileklik.com/resimler/files/71598642225.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/sedunufinipetamobidexiko.pdfIn PDF document text
- http://cottoneauto.it/userfiles/files/61210091164.pdfIn PDF document text
- http://zl369.net/userfiles/file/97728912111.pdfIn PDF document text
- https://99shayari.in/userfiles/files/86028016859.pdfIn PDF document text
- http://kronospan-mofa.hu/editor_up/72271624185.pdfIn PDF document text
- https://honghow.com/ckfinder/userfiles/files/gotogulowenu.pdfIn PDF document text
- http://daiichigroup.net/uploads/news_file/12061674317.pdfIn PDF document text
- http://goodslib.com/userfiles/files/sofifurexabuwejudazix.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f25f4d0160---9654549157.pdfIn PDF document text
- http://garantc.ru/userfiles/file/lezusudojofobapuroj.pdfIn PDF document text
- http://www.casasemio.com.br/ckfinder/userfiles/files/lokavelomilokoxegaji.pdfIn PDF document text
- https://swiz.eu/files/editor/widokib.pdfIn PDF document text
- https://contact-house.com/fckeditor/upload/file/55707221011.pdfIn PDF document text
- https://ecoverservice.be/gallery/file/84522774460.pdfIn PDF document text
- http://aajude.pt/backoffice/ckfinder/userfiles/files/18458687461.pdfIn PDF document text
- http://millionsdiscount.com/mo_images/files/88359788471.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/25b0f107d7b689e1e54a27c32607a7b1/dafeba.pdfIn PDF document text
- http://chinastom.ru/userfiles/file/22934332340.pdfIn PDF document text
- http://freeware-software-download.de/uploads/editor/file/laned.pdfIn PDF document text
- http://naturallabs.de/userfiles/file/gobazonobik.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_off0000b09a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB09A | 15844 bytes |
SHA-256: aa203713aca41c8c526cba0469d1dfc9b42c719143eca3888b6d0c813d123809 |
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font_01_sfnt_off0000d909.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD909 | 11124 bytes |
SHA-256: 52cf2e41ac2b2cde6fa74ee2084886b5533d1d2033ee58677dfb3c4a9888b55d |
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font_02_sfnt_off0000f2d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2D6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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