MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and the ML classifier assigned a high probability of maliciousness. Heuristics indicate the document functions as a link farm, directing users to multiple external websites, many of which are hosted on compromised CMS platforms or disposable domains. The presence of numerous unknown URLs suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://ou-ravda.com/ckfinder/userfiles/files/zumirejepebedijimibusigus.pdf
- https://hyosungulf.com/uploads/file/28762768095.pdf
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/e917d29aca5e08318fa947f6d855f699/34927852741.pdf
- http://edbiji.com/uploads/files/20210821153414_255208.pdf
- https://noithatkuongthinh.com/uploads/files/92045673529.pdf
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bedad708ecc---8314429819.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1612041ad453f8---16700937294.pdf
- https://etonbio.com/newsLetters/images/file/76738212597.pdf
- https://deniz-sogutma.org/img/userfiles/file/91807292749.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c44fecef31b---kitafewosigekonukopagifov.pdf
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160758ee40b1cf---gojumumitobome.pdf
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/055866b04451aa7b03f4445a7f6b08df/31947038651.pdf
- http://vtvxm.vn/userfiles/file/tobopamupaxob.pdf
- https://illinoisfiscalpolicycouncil.org/app/webroot/userfiles/file/98784237393.pdf
- http://traslochimontalto.it/userfiles/files/78581385541.pdf
- https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/rl6ft2sck1fob8sglu16salt14/sufuzarukirine.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfc0d3a05f1---tifevivivajelizoxed.pdf
- http://doktor-okonski.pl/uploadimg/file/38811349850.pdf
- http://bassbasement.org/userfiles/file/987962389.pdf
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5c1d944d6c---22983286019.pdf
- http://vogiantinhmach.com/media/ftp/file/78216858147.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=listening+answers+of+crime+report+form
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b197.bina950280f77955c90f987adf4e3bbddc0a4352eacd8ab1b3f00374152e48e130a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB197 | 10820 bytes |
font_01_sfnt_off0000caa7.bin542129254071d6168247f86b475d60f4f911a3de46dc1402dbb116b894856215 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAA7 | 15248 bytes |
font_02_sfnt_off0000f112.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF112 | 16792 bytes |
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