MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting it functions as a link farm to redirect users to malicious sites. The presence of external URIs and a link farm heuristic indicates a phishing or malware distribution attempt.
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://diarch.in/WYSIWYGImage/file/65364186530.pdf In PDF document text
- http://www.slenderclub.cz/ckfinder/userfiles/files/77802172196.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16136ffe6cafe6---58271102738.pdfIn PDF document text
- https://kalendarz.probik.pl/fckeditor/userfiles/file/78188180579.pdfIn PDF document text
- https://akgoz.zemta.com/uploads/files/nubolijaxotoba.pdfIn PDF document text
- http://dvg.asia/ckfinder/uploadfiles/files/gumupolepubipobizosibosow.pdfIn PDF document text
- http://phongkhamthienhoa.vn/images/files/vijulerezomoneledazeputa.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/577956cc118e3cc2c5a29cdad1188aed/xokixebatasenifeto.pdfIn PDF document text
- http://www.vako.vn/app/webroot/uploads/files/26460227528.pdfIn PDF document text
- http://mrspk.com/ckfinder/userfiles/files/84654568758.pdfIn PDF document text
- http://mecaniquekd.ca/upload/file/tikibo.pdfIn PDF document text
- https://www.esfa.bg/root/ckfinder/userfiles/files/lalutulabako.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614161d1396e1---zawen.pdfIn PDF document text
- http://soepcentrale-dekeyser.be/userfiles/file/jeduwis.pdfIn PDF document text
- http://enidental.com/userfiles/file/20210912214653.pdfIn PDF document text
- https://thai-airpark.com/ckfinder/userfiles/files/70522654834.pdfIn PDF document text
- http://farashimirooz.com/files/kuvaruf.pdfIn PDF document text
- http://duef.ru/public/file/vuvuta.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021091416281235.pdfIn PDF document text
- https://proektasis.gr/admin/spaw2/uploads/files/71527333791.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137ebfbd3933---13130107874.pdfIn PDF document text
- http://seattleteriyaki3.com/uploads/files/zakixumobedejuweka.pdfIn PDF document text
- https://mauspro.net/upload/files/99576571458.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=traffic+rider+money+modPDF 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_off0000d8d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8D6 | 18148 bytes |
SHA-256: 8cca1cc76b3ad2ce5926bd3c30b0df946cc01ad769cc82fa1483b1e16cb304f8 |
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font_01_sfnt_off00010897.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10897 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000120ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120AE | 10404 bytes |
SHA-256: 361a395d640412587b4c56459beac4a9ef53f88baaa3fdac425cbbd80151f292 |
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