Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ec4e449041a1466…

MALICIOUS

PDF

35.6 KB Created: 2021-05-22 05:23:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-20
MD5: cbde242b9a867c93ffbd7298bb1ef5ce SHA-1: fa7f0867ccda882e7139ebbaf3f24086d8f9d7cf SHA-256: 1ec4e449041a1466bf17b9325d7cefa15f7e21bff1aede0245c8e80be8663811
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains embedded links that redirect to malicious infrastructure, masquerading as a game hack generator. The document body explicitly contains phrases like 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' and links to various game-related hack pages. This indicates a phishing or scam attempt to lure users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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/479516143/minecraft-free-online-games-game-hack In PDF document text
    • http://bassacctaxservices.com/images/android-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://bassacctaxservices.com/images/robuxhub-net_GM431946152.pdfIn PDF document text
    • http://bassacctaxservices.com/images/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • http://bassacctaxservices.com/images/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
    • http://bassacctaxservices.com/images/se-puede-hackear-coin-master_GM406889139.pdfIn 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
font_00_sfnt_off000033b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33B0 24704 bytes
SHA-256: 003abd90eb5cefa2b36f596055c64bd5d015838c516e0b25c625d78ebaaffb9b
font_01_sfnt_off00006b29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B29 17900 bytes
SHA-256: 4b77619cba729584a62e96e7fd69b59749ae88ba583596c01091ec51b146d7ca

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