MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of embedded URLs and the PDF structure strongly suggest it is used as a lure to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://philabc.ru/uplcv?utm_term=white+dwarf+magazine+may+2019+pdf
- https://honkakuji.jp/honkakuji/images/ckfinder/files/52142710887.pdf
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072021e3066d---58432488539.pdf
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3e0fc9072---36318110777.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16091939d60d98---99319568801.pdf
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608319a0b71f7---wulivadokudugolekepejowa.pdf
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b2f7ac98cb3---12921601896.pdf
- http://afgventuregroup.com/cfiles/file/30988712902.pdf
- http://group-anons.ru/userfiles/files/jepevolugewuparituseluko.pdf
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad3b29eb622---kenagogavozer.pdf
- https://myupfield.link/wp-content/plugins/super-forms/uploads/php/files/nrsfj3r1m5hlkaj2f2ndh0g711/togitataf.pdf
- https://marblo.ph/app/webroot/img/files/pigeval.pdf
- https://ludbaegitim.com/calisma2/files/uploads/ragizagi.pdf
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/3aac0a0fb81adc19425c944034f95386/17366159313.pdf
- http://blueyee.com/upload/file/201746189855.pdf
- http://xn--9i1b14l32gg2dsybq3b.com/upload/fckeditor/file/nojarigipupodexenetavorul.pdf
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1606f109539111---modapisuvoj.pdf
- https://pubs-icfas.org/icfas_new/dev/ckfinder/userfiles/files/94501311783.pdf
- http://oodow.cn/upload/file/210814192805083550gevvywbxbu8z.pdf
- http://www.39koratmachinery.com/file_upload/files/giwitipejabapijezed.pdf
- http://citadelcaralarms.com/userfiles/file/23366167363.pdf
- http://studiotecnicomartani.eu/userfiles/files/35586389346.pdf
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/a0176b98263dd44f7613ffcea0673ffe/boradetof.pdf
- http://uticachemical.com/files/upload/files/44234125833.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_off0000e386.bin619693cd8e64bad049457bd0dc335a1fa0541d528a850cbca9481a0c6657d6d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE386 | 18788 bytes |
font_01_sfnt_off00011483.binb43526207f072dff042115adbc493d8e6af2e3b2f168d4a12ba9645448f15654 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11483 | 11328 bytes |
font_02_sfnt_off00012ef6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EF6 | 16792 bytes |
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