PDF malware analysis — malicious · f3f05b719d05e461

MALICIOUS

PDF

10.6 KB Created: 2021-05-11 06:07:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13

MD5: 5d6a93f4f310acc8475bb216aeb83bed SHA-1: 4d6526f280f0f2ff37fb1295a6ab9702c3cc2ecf SHA-256: f3f05b719d05e4611a6fea23a092ce6f6b666d305fe28e7a3ae2d3d7e011d414

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised as 'game hacks'. The document body and embedded URLs strongly suggest a lure to trick users into visiting these sites. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, but the primary attack pattern involves redirecting users to malicious infrastructure.

Machine Learning

Nyx PDF Classifier malicious score 0.9933

Heuristics 3

PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
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.
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://netcdn.xyz/app/431946152/how-to-hack-roblox-2021-game-hack In PDF document text
- https://pompesfunebresleveque.fr/images/http-appsmob-info-coin-master-hack_GM406889139.pdfIn PDF document text
- https://pompesfunebresleveque.fr/images/free-robux-kid-friendly_GM431946152.pdfIn PDF document text
- https://pompesfunebresleveque.fr/images/coin-master-spin-free_GM406889139.pdfIn PDF document text

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PDF

Malware Insights

Machine Learning

Heuristics 3

Related samples 8