Malicious PDF — malware analysis report

Static analysis result for SHA-256 693757e8079c477c…

MALICIOUS

PDF

34.4 KB Created: 2021-06-20 10:03:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: c90408ea8434f581717135d5607bf6c5 SHA-1: b06bd19d0cec5e648bd3c13370a4e5112d9028dd SHA-256: 693757e8079c477c38668e8d109162145afc1761d7109d1f6528e4b77740c983
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacks and free currency to entice users to click on embedded links. The primary link, http://netcdn.co/app/431946152/imzyf-roblox-hacks-game-hack, is identified as a malicious redirector, indicating a probable attempt to lead users to malicious websites or download further payloads. The document's structure and embedded URLs suggest a phishing or scam campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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/imzyf-roblox-hacks-game-hack In PDF document text
    • http://library.patria-artha.ac.id/repository/youtube-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/how-to-play-minecraft-online-for-free_GM479516143.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/free-robux-game-card-pins-july-3d-2021_GM431946152.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/free-minecraft-skin-maker_GM479516143.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/roblox-lua-scripts-hacks_GM431946152.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/a-lot-of-robux_GM431946152.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/coin-master-free-spins-app_GM406889139.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/minecraft-free-download-unblocked_GM479516143.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/free-robux-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/roblox-cheat-engine-2021-download_GM431946152.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/coin-master-game-hack-online_GM406889139.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/free-coin-master-hacks_GM406889139.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/vex0rmillion-hack-roblox_GM431946152.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/how-to-hack-coin-master-spin-in-hindi_GM406889139.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/roblox-how-to-hack-your-account-back_GM431946152.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/daily-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://library.patria-artha.ac.id/repository/robux-for-offers_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

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_off00002e8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E8A 22616 bytes
SHA-256: 403080e672063546211016461d67001ecf57f6653f332e90173e65d7fcb22474
font_01_sfnt_off000060f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60F4 19176 bytes
SHA-256: ae084ed333422823da1917008d3754b286c905fa6bf2ac69c3938e2925641074

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