MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to numerous external URLs hosted on compromised or disposable domains, likely for phishing or malware distribution. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://drafthe.ru/uplcv?utm_term=unhide+hidden+worksheet+in+excel PDF link annotation
- http://chelseacarpet.com/ckfinder/userfiles/uploads/74858652684.pdfIn PDF document text
- http://alfadent-volg.ru/images_uploads/files/karebovutibawenupow.pdfIn PDF document text
- http://elsped.hu/files/file/60212847955.pdfIn PDF document text
- http://owv-sad.de/userfiles/files/xamemawujasuwuvafenowopu.pdfIn PDF document text
- https://imagebeaute.fr/userfiles/file/44978084416.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ccbca19fb---83411624437.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ac37b6bc3---zujisadegixewifij.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/1jih0bior6jmshliff2933agt3/68473538582.pdfIn PDF document text
- http://riversedgefm.com/files/file/dinazines.pdfIn PDF document text
- https://diedacorporation.net/freesiafiles/file/taveposekogakifuzu.pdfIn PDF document text
- https://mabuksusu.com/contents//files/rozugip.pdfIn PDF document text
- https://regiefranchet.fr/userfiles/files/89384470008.pdfIn PDF document text
- http://haverfordhigh77.com/clients/e/e7/e7c5a96ea35a64a1345a575153f12e7e/File/ziwapob.pdfIn PDF document text
- http://hanasushipickup.com/uploads/files/32901388266.pdfIn PDF document text
- http://cuathepvangohaiduong.com/images/ckeditor/files/gexewutinulix.pdfIn PDF document text
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/sgc3hhb5vemt1ifj72arg5l99i/gubeborinizaboveg.pdfIn PDF document text
- http://ibconsulting.it/userfiles/files/tujijipa.pdfIn PDF document text
- http://cpgny.com/userfiles/files/zagetefedijir.pdfIn PDF document text
- http://dotbamboo.com/file_media/file_image/file/55809292940.pdfIn PDF document text
- https://ahha.az/userfiles/file/lepetejedud.pdfIn PDF document text
- http://dietaltop.com/userfiles/files/pavabutud.pdfIn PDF document text
- http://bachova-terapia.sk/images/file/56377349449.pdfIn PDF document text
- 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_off0000d4f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4F8 | 10592 bytes |
SHA-256: b6e04ee41a1a5c5ec01bbd431b30c7d4d5bff223c4d0c433c5dc991826afc39d |
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font_01_sfnt_off0000ed1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED1B | 17876 bytes |
SHA-256: 3823f520543b40e882443856b03ceb3c989dc14ab48d6a736bf1f7063fdc6fc2 |
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font_02_sfnt_off00011b01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B01 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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