Malicious PDF — malware analysis report

Static analysis result for SHA-256 14946e3f18d35b9e…

MALICIOUS

PDF

38.6 KB Created: 2021-06-18 21:00:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 3f68ee34974b0ba8baa2403d8fcd6ffa SHA-1: bb6eeef4c045500464ddf5e312830ef2d074c70d SHA-256: 14946e3f18d35b9ee52b3ffe79fe310119e3745cf5bdb87f6dcf3efa9793bb55
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to websites offering game hacks and generators, identified as malicious redirectors. The document body, though partially corrupted, contains text related to 'Roblox Vheicle Simulator Hacks' and embedded URLs, reinforcing the lure. The presence of these links suggests the primary goal is to redirect users to potentially malicious sites for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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 http://netcdn.co/app/431946152/roblox-vheicle-simulator-hacks-game-hack In PDF document text
    • http://katalog.ireyogya.org/repository/roblox-hack-site_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-hackcom-xyz_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/best-free-roblox-lua-executor_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-shoulder-pet-roblox_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/roblox-martial-arts-battle-arena-kai-hack_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-hack-roblox-accounts-passwords_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-village-cost_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/make-free-robux_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-spins-on-coin-master-generator_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-free-robux-for-free_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/village-4-coin-master_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-minecraft-for-free-on-chromebook_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-spin-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/worst-roblox-avatars_GM431946152.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_off00003e93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3E93 22536 bytes
SHA-256: d767780bd117343d3f9452d9a50933f2779969d7042cc7c7454d667df8fc4acb
font_01_sfnt_off000070ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70CE 19580 bytes
SHA-256: 7c20727166e8f622c1184de6695ea57ffe660a444196ddbec681c52468b07280

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