MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised or disposable hosting domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://freewest.at/56776657788.pdf
- http://cuiquji.net/d/files/58217725671.pdf
- http://macierz-grodziec.org/files/file/baworejogiluga.pdf
- http://cherryontop.pl/upload/fotki/file/gimur.pdf
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/17b189109f4a5c1ba08d9122f23d220b/55342927396.pdf
- https://flardochform.se/userfiles/file/17454664462.pdf
- https://epiphanych.com/images/file/jotuxademozem.pdf
- http://kojeneckezbozi.eu/userfiles/file/gatawuvalib.pdf
- https://purefeeling8.com/data/file/jibogileta.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c62e46f22---88051297993.pdf
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104dec65c2bb---pazigelut.pdf
- http://banquat.com/userfiles/files/zotepemonofaj.pdf
- http://interiorsexpress.biz/dayafter/uploadimages/newsimages/file/zuratoremowunagesa.pdf
- http://ikkosushi.com/uploads/files/61338937792.pdf
- http://ghioroiu.ro/sites/default/files/file/zebirokufapirapekalidin.pdf
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/56986a7dc63bb5b38bf3300886841986/ramuzizakuje.pdf
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/211410de462bfe381bc2de8cfb1ee932/lijisafazomejigurisekab.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bfde9e9e066---vupizerujegowafem.pdf
- http://heibldr.hu/FCKfeltoltott/file/5092553486.pdf
- https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160930607980e3---76127019002.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2bc6ddd6e---83856043933.pdf
- http://candientushinko.com/images/file/72042314548.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=prentice+hall+algebra+2+extra+practice+answers
- https://mediaget.com/userfiles/files/46392028046.pdf
- 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_off0000eea4.bin98940b3a2287c8b24d28b91c3ec0cbf6d4c5ea1bdd1bc4861f3a419c6ea21a20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA4 | 17532 bytes |
font_01_sfnt_off00011cda.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CDA | 16792 bytes |
font_02_sfnt_off000134f1.bin2c01d2cd8838449559afb996e2cd4ca1ec377d3ae78a0776e963b887d2e49afe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134F1 | 10980 bytes |
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