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 compromised websites or are part of a link farm designed to obscure the final destination. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware delivery. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' confirm the nature of the links as potentially malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://rafaelstore.ru/upload/files/fadoluzalexu.pdf In PDF document text
- http://milkexim.ru/imgeditor/file/jagasezonajomigopivew.pdfIn PDF document text
- https://inprovit.com/ckfinder/userfiles/files/60483745872.pdfIn PDF document text
- https://underworldgear.com/admin/images/fckImg/file/zuvunodaziwewaxo.pdfIn PDF document text
- http://zamdq.com/filespath/files/20210907174829.pdfIn PDF document text
- https://pottoka.info/files/galeria/files/sawixutovuva.pdfIn PDF document text
- https://cornwallstaffagency.com/userfiles/file/60047271096.pdfIn PDF document text
- http://mexvp.com/ckfinder/userfiles/files/32041881107.pdfIn PDF document text
- http://pascalparrot.com/uploads/assets/file/87267221988.pdfIn PDF document text
- http://matras-devison.ru/upload/file/konisemuloletokokapa.pdfIn PDF document text
- http://studiopol.com/userfiles/files/gumabodajobele.pdfIn PDF document text
- http://chukguwang.com/files/fckeditor/file/33650302981.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613980f8cd62c---13253661778.pdfIn PDF document text
- http://farashimirooz.com/files/6310621084.pdfIn PDF document text
- http://fsgpj.com/upfolder/e/files/20210908031339.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f74b26395e---44780747442.pdfIn PDF document text
- http://mengnuanua.com/app/webroot/files/files/88423527852.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/16134075275294---40132534893.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/20245394779.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/161381a7f14fdd---bebuxubana.pdfIn PDF document text
- https://santa.my/images/users/00000000/files/86168940617.pdfIn PDF document text
- http://keramann.ru/uploads/files/10119264033.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=fortnite+og+skin+generatorPDF 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_off0000e71c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE71C | 10304 bytes |
SHA-256: ace2d58fd5fea92ddba1bf3b901377ee213b3f952aa39bd76184c3f7c627b497 |
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font_01_sfnt_off0000fe74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE74 | 18632 bytes |
SHA-256: 2baa641fc17a033831f3319db9bbea9601938d4f9f31ef2aeb60bbe0af63ffa5 |
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font_02_sfnt_off00012ea8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EA8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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