PDF malware analysis — malicious · 35f803097d8bdca8

MALICIOUS

PDF

52.4 KB Created: 2020-12-23 12:09:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16

MD5: c589d2fd4fdf86d7c38500d3bcf305f8 SHA-1: 017c74e4f8e495317e92819e468a5536eec70514 SHA-256: 35f803097d8bdca89edcc5e5bd3708d01f07af20c1901c9017010fa21432a0d2

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file contains a link farm and an external URI pointing to a suspicious domain, likely for phishing or malware distribution. The ClamAV detection and ML classifier also indicate malicious content. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect the user to a malicious site, potentially for credential harvesting or further payload delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.5258

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One 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://traffset.ru/strik?utm_term=project+management+institute+membership+verification PDF link annotation
- https://rejudizik.weebly.com/uploads/1/3/4/7/134701546/jexokubamematub.pdfIn PDF document text
- https://rofotemajanati.weebly.com/uploads/1/3/4/4/134497193/tuzifu.pdfIn PDF document text
- https://s3.amazonaws.com/wegemebufojafak/wukunikadusun.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/380fc866-4fe6-4536-8ca2-424306291a04/psiphon_plus_handler_apk_uptodown.pdfIn PDF document text
- https://static1.squarespace.com/static/5fe12d6b12753a7f033a2be9/t/5fe1c11815fce75a50ec23cf/1608630552968/whatsapp_messenger_apk_tablet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/53a3177c-534f-406f-9cb7-3b2e40023229/marlin_model_60_22lr_parts_diagram.pdfIn PDF document text
- https://s3.amazonaws.com/mijedusovineti/tawegosebanajak.pdfIn PDF document text
- https://s3.amazonaws.com/gosete/fabal.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc51111239b0722914c12ae/t/5fc830f213f8d93bf2fb7256/1606955251093/ninja_run_up_and_download_jio_phone.pdfIn PDF document text
- https://s3.amazonaws.com/purawuma/63829985415.pdfIn PDF document text
- https://s3.amazonaws.com/dibedamoka/extent_report_jar_files.pdfIn PDF document text

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