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 an ML classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with many embedded URLs pointing to compromised WordPress sites and disposable domains. The primary purpose appears to be directing users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/ea7168057ed27f9b93b69209dacb6021/38810777065.pdf In PDF document text
- https://volgogradexpo.ru/ckfinder/userfiles/files/72094359915.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/6f027c7e5a8b7eacc0d7ad40c948d54f/xanifevudifujaxamudu.pdfIn PDF document text
- http://anm-av.de/uploads/files/dowoligemozikidijerufanu.pdfIn PDF document text
- http://flairpens.ru/uploads/files/foturiziwifinosudezanito.pdfIn PDF document text
- http://lignumweb.com/site/webroot/uploads/files/52284000969.pdfIn PDF document text
- https://watertorens.nl/userfiles/file/17438310584.pdfIn PDF document text
- http://aow.infogestnet.it/ckfinder/userfiles/files/gipebeguw.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/f38fb39e817fea9f388ade89afdc8d96/49692866228.pdfIn PDF document text
- http://chiesamadremarsala.eu/userfiles/files/wumexafadorula.pdfIn PDF document text
- https://www.tocbirsen.org.tr/ckfinder/userfiles/files/30299597767.pdfIn PDF document text
- http://forter.vn/hinhanh/file/gazibexabutabomu.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/11964244241.pdfIn PDF document text
- http://garderoba.sk/images/_file/nowivolawirirurevusibu.pdfIn PDF document text
- https://karolinanowak.com/userfiles/file/vasixi.pdfIn PDF document text
- http://obras.ru/sites/default/files/uploads/namimowimegizex.pdfIn PDF document text
- http://gruppocreta.com/userfiles/files/dizel.pdfIn PDF document text
- https://nordiskvillaventilation.dk/userfiles/file/ravisujezup.pdfIn PDF document text
- http://myphamasia.net/upload/files/ripoxoxu.pdfIn PDF document text
- https://kccegis.com/upfiles/content/file/20210909083217.pdfIn PDF document text
- https://eastmangroupllc.net/ckfinder/userfiles/files/solasamidajidesup.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/vafugivifuxexukofifakef.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=top+3+music+player+for+androidPDF 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_off0000afaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFAF | 14624 bytes |
SHA-256: 17ad661154e166a3d913c5ba9f0f3643f719ba2943b9b16778230a05a7f2a601 |
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font_01_sfnt_off0000d401.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD401 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ec18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC18 | 11032 bytes |
SHA-256: abd2d7439631bde6e4cdfd2db27d329e72cfde0c85a764b7e380a4f2513a10b1 |
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