MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites and disposable hosting, suggesting an attempt to redirect users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a non-clustered link farm on disposable hosting, and the PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristic highlights links to compromised CMS upload storage, further supporting the malicious intent. No scripts were extracted, but the structure and heuristics strongly suggest a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9881
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://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/6a5b7e7acb6b996da6742f49aeeca2a4/27716002171.pdf In PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/40d0eea0da99a5f3c0a53c5bf1ca4c90/28777577366.pdfIn PDF document text
- http://utpcomp.ru/uploads/files/wezodiniwirodabibixo.pdfIn PDF document text
- https://lasvegasrebath.com/wp-content/plugins/super-forms/uploads/php/files/a27613682367d6f9bf027087e910102b/1432019727.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccb7b37d1c---364588770.pdfIn PDF document text
- http://robbinsfamilyhealthcare.com/clients/2/2c/2c787fa606fc56c3a3a24dfc5409695f/File/jonovomutumoko.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607810402b281---60426102192.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160969aeb1c8f9---nubupobaboka.pdfIn PDF document text
- http://thesnowmanicecream.com/ckfinder/userfiles/files/83190987800.pdfIn PDF document text
- http://nsk-nalogov.net/upload/files/12794356661.pdfIn PDF document text
- http://iaestedresden.de/userfiles/file/25248271790.pdfIn PDF document text
- http://alaskacounseling.org/clients/8/87/870ae3779d21e956d596131c1dd113ff/File/sejubewepovosegupuke.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161047921315a1---vapenogegogoxofuwef.pdfIn PDF document text
- http://elijahlaurabishopblack.com/clients/b/be/bed082b287f5bb70db4763ab929fc18a/File/61811671928.pdfIn PDF document text
- http://studiomontironi.eu/userfiles/files/59008939581.pdfIn PDF document text
- http://metabolizmusonline.hu/images/upload/file/47632668971.pdfIn PDF document text
- https://keralatemples.info/ckfinder/userfiles/files/gesuwan.pdfIn PDF document text
- https://eghamatyab.com/basefile/bainbookcom/files/ravirazogopiju.pdfIn PDF document text
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/b6696c0ac199f12ecf0c5e855dc222ba/46351179103.pdfIn PDF document text
- http://zonwering-nederland.eu/ckfinder/userfiles/files/zuremu.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/kusisumijimosaf.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/615e3a66b9a51de5db2988629335f41e/77912147820.pdfIn PDF document text
- https://preciseenergygroup.com/media/16392285166.pdfIn PDF document text
- https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/5a2c9e5912bc828bcce7a467c1e72291/xidefikisojabuxu.pdfIn PDF document text
- http://www.velkoobchod-man.eu/ckfinder/userfiles/files/xosunezozufikibube.pdfIn PDF document text
- http://klpa.net/userData/board/file/19967527936.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=un+viaje+de+vacaciones+roger+pare+pdfPDF 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_off000142ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142CA | 20548 bytes |
SHA-256: 6efb8242b7164b8b42496060d7e8a2cba21f32815d4fb45a2dc15e987c078fb1 |
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font_01_sfnt_off000173b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x173B0 | 10852 bytes |
SHA-256: e8fde9f1ac6821c7bd761949d5c40ff071ba94c2d85e788882971b1f3c6276bd |
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font_02_sfnt_off00018c94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18C94 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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