MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to distribute malicious content. ClamAV detected this file as 'Pdf.Phishing.Trojan', and ML classification strongly supports its malicious nature. The primary attack pattern observed is the use of a malicious document as an attachment in spearphishing campaigns to lure 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 http://timnhanhonline.com/upload/files/38290917066.pdf In PDF document text
- http://espwireless.net/uploads/file/53289664486.pdfIn PDF document text
- http://czytamzezrozumieniem.pl/userfiles/file/kaburubaxokutola.pdfIn PDF document text
- http://beta-rc.com/upload/files/3769326585.pdfIn PDF document text
- https://iwanbim.iwan.co/userfiles/files/xulatokib.pdfIn PDF document text
- http://popnmusic.fr/userfiles/file/42773924286.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135652220f03---ronomutuloxukinutim.pdfIn PDF document text
- http://loca-granderoue-montaletang.com/ckfinder/userfiles/files/2991744466.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-8/20210908002216159697.pdfIn PDF document text
- https://tonmathunglan.vn/upload/files/96583539164.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612eca7a10b5c---93968783857.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec8dfbdb91---53617014035.pdfIn PDF document text
- http://cpgny.com/userfiles/files/nakiwipanerifabika.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/8bdcac2cc7763a6b8b511bcf8608c067/gogezixab.pdfIn PDF document text
- http://motorlustor.net/userfiles/file/6295401571.pdfIn PDF document text
- https://mcrlclient.gilcom.ro/ckfinder/userfiles/files/90688463173.pdfIn PDF document text
- http://steakclubhn.com/campannas/file/3243419206.pdfIn PDF document text
- https://vili-al.com/uploads/wysiwyg/files/27369959128.pdfIn PDF document text
- http://giayviettri.com/img-ftec/files/37848872455.pdfIn PDF document text
- https://bamfieldrental.com/userfiles/file/repuvazesewuxa.pdfIn PDF document text
- http://jmyhship.com/uploadfile/files/vulabukej.pdfIn PDF document text
- https://jmbarrenetxea.soinuenea.eus/files/galeria/files/4565767735.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=all+star+game+watch+online+freePDF link annotation
- 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_off00010ae3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AE3 | 19316 bytes |
SHA-256: 79fbd221e78d501d6fe4e65de1a4c91a6cd277beee1a0dd02201e34d142675ec |
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font_01_sfnt_off00013d3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D3A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015551.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15551 | 10852 bytes |
SHA-256: f223e50e8d742385cc00205986c6132184477b053f5847b8e6fdcfe1a8a32a08 |
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