Malicious PDF — malware analysis report

Static analysis result for SHA-256 02fc7cab3ad61007…

MALICIOUS

PDF

35.0 KB Created: 2021-06-26 08:04:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: ae74181e3ae28494fc53ba838a47a7f3 SHA-1: 40cadc306a27593e9fb3bd2e30db6f9849ed0340 SHA-256: 02fc7cab3ad610071e9d10147cb20ddaa2229c054839ddef8994a464cb0cee1b
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document contains numerous embedded URLs pointing to sites offering game hacks and cheats, strongly suggesting a lure for downloading malicious content. The presence of heuristics related to password-protected archives and download buttons further supports this, indicating a multi-stage attack where the user is tricked into downloading and potentially decrypting a payload. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 5

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/how-to-speed-hack-in-roblox-2021-game-hack PDF link annotation
    • http://lib.mappifhui.org/repository/coin-master-event-hack_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/how-to-get-2021-robux-free-2021_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-roblox-exploits-2021_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/vide-hacking-for-roblox_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-hack-spin_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-minecraft-bedrock-server_GM479516143.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/how-to-hack-roblox-accounts-on-phone_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-roblox-girl-clothes_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-robux-meme_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-hack-free-spins_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-robux-codes-generator_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-hack-unlimited-spins-and-coins-cheats_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/any-gampepass-free-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/daily-free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/is-minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/how-do-you-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-game-free_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_off00002f24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F24 22848 bytes
SHA-256: 3da07f4e43064113488e3861b0c9e5086ee8af851144e2301f16becdef5621ca
font_01_sfnt_off000061b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61B8 19572 bytes
SHA-256: b74d89b999fadd78eb3a1fd6ec4c19e492c9249b5f0dab3f2bc2f46c3ade79b2

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