PDF malware analysis — malicious · 1ca9c5a2840bd5c9

MALICIOUS

PDF

37.5 KB Created: 2021-01-14 20:51:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05

MD5: 580001cae71bcf2f9a7e7e07ba4d1fb9 SHA-1: d7e8531ffb81f56cd209a7d7b9329d804dc6e6c3 SHA-256: 1ca9c5a2840bd5c9f4ba022aa7d9ebb860dc1883351202c3af8a0df9ea7445e5

212 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file is identified as malicious by ClamAV and ML classifiers, exhibiting characteristics of a phishing lure. It contains an image-only facade with a clickable action that redirects to the known malicious infrastructure at 'https://ggtraff.ru/123?utm_term=goodyear+ultra+grip+winter+radial+tire'. This redirection is a common technique to deliver further malicious content or phish for credentials.

Machine Learning

Nyx PDF Classifier malicious score 0.7044

Heuristics 5

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.
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 37 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://ggtraff.ru/123?utm_term=goodyear+ultra+grip+winter+radial+tire In PDF document text
- https://s3.amazonaws.com/dazemi/zoveligomitariji.pdfIn PDF document text

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