MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute further malicious content. ClamAV and ML classifiers strongly indicate maliciousness, and the structure suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://murten-hotels.ch/userfiles/files/sofimofupelawif.pdf In PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec8bd91505---niwiromuki.pdfIn PDF document text
- http://scpt.it/userfiles/files/foxatubewi.pdfIn PDF document text
- http://jyotiacademicpress.org/uploads/file/vidagalevozosewazaniw.pdfIn PDF document text
- http://fw-simple.com/uploads/files/rubobojibevegofasifivim.pdfIn PDF document text
- http://domholidays.com/userfiles/file/44645224893.pdfIn PDF document text
- http://niestachow.pl/data/aktualnosci_imgs/file/jelaselef.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/0kk0s2t6l2kp8bj22oe99q7pp5/88743119673.pdfIn PDF document text
- http://backkwang.com/userData/board/file/xuliwav.pdfIn PDF document text
- http://ttlh.vn/storage/ckfinder/files/fizogoburapexobe.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/0ji3j4ovkpu5tl07a1mn2k9v9v/bipowazozebemuvawu.pdfIn PDF document text
- http://tpdw.pl/userfiles/file/dowopati.pdfIn PDF document text
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/ks411bi45hukhujl5mq6oiqkn6/31344170225.pdfIn PDF document text
- http://greer2001.com/clients/e/ea/ea56749d84c1a2d7db36d2c51c833a37/File/zepalidotutopemiro.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/2394c52005f9952cc7a4bdd56943bfe6/29683549231.pdfIn PDF document text
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/16086f1ca18c21---jomosezuxidev.pdfIn PDF document text
- https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607145ed0ed40---38991740708.pdfIn PDF document text
- http://denprokhorov.ru/images/file/61227291972.pdfIn PDF document text
- http://bacsiha.com/public/ckfinder/userfiles/files/56997557945.pdfIn PDF document text
- http://twozonechickenlasvegas.com/uploads/files/69641335751.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e87ff19ba2---sosaxakow.pdfIn PDF document text
- http://cocoal.com/uploads/file/dilewonalisozuje.pdfIn PDF document text
- http://3e-recycling.ru/app/webroot/filesfiles/gasonolagovotis.pdfIn PDF document text
- https://cambodiadriverservice.com/userfiles/file/sepidanilititikufabadunar.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=musculatura+agonista+antagonista+e+sinergistaPDF link annotation
- 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_off0000dd5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD5F | 17500 bytes |
SHA-256: 1a19cd2402b410b705e134513f279b1316ae982774d02da2c53852d80af45bec |
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font_01_sfnt_off00010a1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A1D | 10496 bytes |
SHA-256: 22e3e0ae171d73f28ef309e57958f91d8e995b0c4d8ed8a9c24352a5b3b318ff |
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font_02_sfnt_off00012229.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12229 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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