MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to multiple URLs, many hosted on compromised WordPress sites, indicating a phishing or malware distribution attempt. ClamAV detection as 'Pdf.Phishing.Trojan' and ML classification further support its malicious nature. The document body is unreadable, but the heuristic firings strongly suggest a malicious intent to lure users to external sites.
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://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e2e1fa60bb---11073970209.pdf In PDF document text
- http://deborahbrown.us/clients/860103/File/xukoxiv.pdfIn PDF document text
- http://vantaidongsaigon.com/uploads/files/jijozedopobo.pdfIn PDF document text
- http://cwesp.biz/upload/file/vinuwabofunuvopi.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/n58hve6ciiuftvfh7nqp5vqdtt/digogelovoxiru.pdfIn PDF document text
- http://mramus.com/fck/imagesfile/modori.pdfIn PDF document text
- http://lordbeaverbrook1973.com/clients/76835/File/xanor.pdfIn PDF document text
- http://bielle-srl.com/userfiles/files/nosukisuj.pdfIn PDF document text
- http://pro-group.ru/userfiles/files/vegirupuvulagozo.pdfIn PDF document text
- https://intrigantka.ru/images/userfiles/file/74396409739.pdfIn PDF document text
- https://kildevangen.dk/files/64156987047.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b270912b2---vofawadowagig.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160896a2ca230e---kimot.pdfIn PDF document text
- https://windsbs.biz/files/file/45342538435.pdfIn PDF document text
- http://short-story.ru/upload/file/resimesebapanuxud.pdfIn PDF document text
- https://aradovan.com/userfiles/file/12554500837.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c1600f5ae49---xudukisonajuji.pdfIn PDF document text
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/01893d6ffa3c269caf8d178b432a4d07/voxan.pdfIn PDF document text
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/bce30e1c8e0aa9c0e52dfdcc7a7d4b82/joburum.pdfIn PDF document text
- http://ck-buhgalter.ru/userfiles/file/sibafawegoz.pdfIn PDF document text
- https://hantverkarenisandby.se/UserFiles/files/zifejomogu.pdfIn PDF document text
- http://zuche0551.com/upload/file/vofijujosuvuxef.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=online+ocr+scanned+pdf+to+wordPDF 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_off0000c40a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC40A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC21 | 10724 bytes |
SHA-256: b14a68448f4fc41623d0fba821fb6560c58075b3ad307c5b6e1b3f9b69d23188 |
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font_02_sfnt_off0000f4f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4F6 | 16068 bytes |
SHA-256: 091eb88e2eb8a22d63354d5c0ff019d02a1062d3d0b48e83971c80f1adfc5145 |
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