PDF malware analysis — malicious · dcba2b2d85660fb6

MALICIOUS

PDF

84.6 KB Created: 2021-07-08 11:05:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24

MD5: 1b40c586ebc31a0525983b6a63a5f244 SHA-1: 705a84e02053f04082479543a38f1df1255c9735 SHA-256: dcba2b2d85660fb64b65c3dd78c830bfeba6a3bdbaab058e3c3305733f133310

122 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains a link disguised as a "free generator / game hack" for PUBG, which is a common lure for malicious redirects. The embedded URL points to known malicious redirector infrastructure, indicating an attempt to lead the user to a compromised or malicious site. No scripts were extracted from this sample, but the PDF structure itself facilitates the malicious redirection.

Machine Learning

Nyx PDF Classifier clean score 0.0141

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 http://netcdn.tw/app/1330123889/pubg-uc-redeem-game-hack In PDF document text

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