MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to domains associated with compromised content management systems or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/64707267579.pdf In PDF document text
- http://xn----dtbsgbucafmmaf.xn--p1ai/servimages/editor/files/92018334794.pdfIn PDF document text
- http://dichvugiayphep.biz/upload/ck/files/85217930627.pdfIn PDF document text
- http://rideabikenews.com/user_img/files/68268983486.pdfIn PDF document text
- http://ros-grad.ru/fck_editor_files/files/53349313418.pdfIn PDF document text
- http://innobiztour.com/FileData/ckfinder/files/20210905_264E9382928729C6.pdfIn PDF document text
- http://tlxzkj.com/uploads/file/100555535522.pdfIn PDF document text
- http://ieltsadd.ir/cache/fck_files/file/regoxurajowivabug.pdfIn PDF document text
- http://hakanhurdacilik.com/userfiles/file/nugexolitulapetekib.pdfIn PDF document text
- https://alves.bg/ckfinder/userfiles/files/88436409917.pdfIn PDF document text
- http://www.radanhorse.com/resource/files/molexawi.pdfIn PDF document text
- https://sportnazona.bg/f/uploads/files/49104578365.pdfIn PDF document text
- https://livres-d-art.com/ckfinder/userfiles/files/winulen.pdfIn PDF document text
- http://zavalinka.by/var/upload/file/76337082990.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613af3619828a---2522800979.pdfIn PDF document text
- http://vetcasatenovo.it/userfiles/files/nojamij.pdfIn PDF document text
- http://career-id.org/ckfinder/userfiles/files/dewukosodolupubusaraxuke.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/8fn95tpuk47pd4lnmd42puroo9/nalop.pdfIn PDF document text
- http://atya.eu/files/file/89921268110.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613c2a34c3ac0---60549501422.pdfIn PDF document text
- http://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pugemenivun.pdfIn PDF document text
- http://erpsamik.com/ckfinder/userfiles/files/sipowazilazonuzijivokud.pdfIn PDF document text
- https://dovolena-jiznicechy.cz/uploads/23028798164.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16142f4714b2b6---61310579301.pdfIn PDF document text
- http://yetisirkaucuk.com/firma/files/lopejikixaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=free+music+2020+apkPDF 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_off0000c85e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC85E | 19132 bytes |
SHA-256: 993105b815d28039b1952a614f31f99f1c2cc049420dec29a95abb9b612e490d |
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font_01_sfnt_off0000fa47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA47 | 10576 bytes |
SHA-256: f8f520e4a802b3df4a5ae0a35a5e28980581ac0806acec7533d3ea3d6809faeb |
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font_02_sfnt_off00011283.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11283 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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