Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f968063a8015a4b…

MALICIOUS

PDF

37.3 KB Created: 2021-05-11 18:19:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 604e7a09f7ae579000675717a5c5e753 SHA-1: 476bd9a37698a160d096a40610ead9df275daae3 SHA-256: 0f968063a8015a4ba354fef51b8c55927b671f2abda44e1b18f85316af49626a
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a malicious link disguised as a lure for free spins and coins for the game 'Coin Master'. This link redirects to known malicious infrastructure. The document body also contains explicit calls to action like 'CLICK HERE TO ACCESS COIN MASTER GENERATOR', indicating a social engineering attempt to trick the user into visiting the malicious URL, likely to download further malware.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/406889139/coin-master-daily-free-spins-and-coins-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00003784.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3784 24896 bytes
SHA-256: 84dfd2b5f30ad70bad4e311ce65f515535948230f252dd3c3de578896d8f6bbc
font_01_sfnt_off00006fbb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FBB 18480 bytes
SHA-256: 323fea871d3154f9ddf991b22fd859b77165b4ee4e2d03de0fe4666202988bbb

Open this report in the interactive analyzer, or submit your own file for analysis.