PDF malware analysis — malicious · c17524f315a477b7

MALICIOUS

PDF

34.9 KB Created: 2020-12-20 00:03:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05

MD5: 37b83260084cb340b3a37b0bc6291632 SHA-1: 6c4c46a5c9fe711b3c80d113f575603d56b70393 SHA-256: c17524f315a477b76945f6af6f99bc65960baa03be89980b3ff98474b8246cb5

212 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF utilizes an image-only lure, typical of phishing, to trick users into clicking a link. This link redirects to 'https://traffine.ru/123?utm_term=python+data+science+handbook+pdf+2020', which has been flagged as malicious redirector infrastructure. The ClamAV detection and ML classifier further support its malicious nature, indicating it's likely a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.8734

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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.
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 34 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://traffine.ru/123?utm_term=python+data+science+handbook+pdf+2020 In PDF document text

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