Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff5582d1121c40f7…

MALICIOUS

PDF

41.4 KB Created: 2020-12-23 22:55:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 346d65fedfdcc8a9d201b0d700e7660c SHA-1: c82222f1ab41ffcd2edadfd71bb4d6c6bfdc8655 SHA-256: ff5582d1121c40f7a7183cfabb9d6fac4fc86f13a13a199cbd35e81523c73d27
272 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document is identified as malicious due to its structure and embedded links. It functions as an image-only lure, presenting a screenshot to deceive users into clicking a link. This link, specifically `https://traffmen.ru/aws?utm_term=characters+on+girlfriends+guide+to+divorce`, is a known malicious redirector, likely leading to a phishing page or a download of a second-stage payload. The presence of numerous external PDF links further suggests an attempt to manipulate search engine results or distribute further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6525

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 41 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://traffmen.ru/aws?utm_term=characters+on+girlfriends+guide+to+divorce In PDF document text
    • https://cdn.sqhk.co/fipexuwebo/MdsmAhc/love_poly_new_puzzle_game_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/bawivurolut/haPPggI/bolarek.pdfIn PDF document text
    • https://lixobezabutefa.weebly.com/uploads/1/3/1/4/131406736/rovewozakevepav.pdfIn PDF document text
    • https://jewadasin.weebly.com/uploads/1/3/4/6/134604584/xisapidugo.pdfIn PDF document text
    • https://zinivopupo.weebly.com/uploads/1/3/4/3/134386920/8b5846e8a04e9ef.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/87f5a42e-be10-4145-b123-85bf47baed98/principios_que_rigen_el_juicio_de_am.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3518cac3-12ac-4226-8006-7b1996fb9319/28167914334.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e0467785-a4cc-41cc-ae40-a46f9dd84a3e/24209331471.pdfIn PDF document text
    • https://s3.amazonaws.com/pusori/dilations_translations_worksheet_answer_key.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9ffa773a-3082-4543-b40a-86602be9453e/velefe.pdfIn PDF document text
    • https://s3.amazonaws.com/wajufifenoxuj/gamepadazos.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2158900c-f2fa-488d-958f-3f91ee95597c/65450655431.pdfIn PDF document text

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