Malicious PDF — malware analysis report

Static analysis result for SHA-256 e26ef53410a74999…

MALICIOUS

PDF

36.1 KB Created: 2021-05-17 21:39:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: eef4bb146ccd50f2a1e57aae5aefbdc2 SHA-1: 2e914722fb616d60d74001300969252332472e0a SHA-256: e26ef53410a74999d9a557e59da09525d89b4f4c7e136fc86c49b06b40a26065
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to 'free food on Coin Master' and a prominent call to action to 'CLICK HERE TO ACCESS COIN MASTER GENERATOR'. This lure directs the user to a URL associated with known malicious redirector infrastructure. The document's structure and embedded content suggest it is designed to trick users into visiting a malicious site, likely to download further malware.

Machine Learning

  • Nyx PDF Classifier clean score 0.0228

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/how-do-you-get-free-food-on-coin-master-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003394.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3394 24284 bytes
SHA-256: 2f7bbef9ec90695dd900f5489feaae85054e081d6c9731151bfe22b551d7142f
font_01_sfnt_off00006ada.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6ADA 18516 bytes
SHA-256: 557830b2ad610ffe463328ddee8e306bc821290f27b0270072ca1ff007a6db1d

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