Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ad007783638b251…

MALICIOUS

PDF

36.2 KB Created: 2021-07-04 07:04:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 0fb365fa706a37acc0b7441451424290 SHA-1: 4ab290ba0d5e5a9e1203e0696a29b6a66e2f1447 SHA-256: 2ad007783638b25152a44cbc5680785f375f7545566ded8d7819e1d2c685db79
82 Risk Score

Malware Insights

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

This PDF document contains multiple links, including a high-priority lure for 'free generator / game hack' content. The document body, though partially corrupted, also contains URLs related to game hacks and currency. These findings strongly suggest the document is designed to redirect users to malicious websites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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.tw/app/431946152/roblox-free-roblox-game-hack PDF link annotation
    • http://smpn1sda.sch.id/slims/repository/robux-code-card-free_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/tower-of-hell-roblox-hack_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/como-hackear-el-juego-coin-master_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/20-roblox-card-free_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/monttechscom-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/the-streets-hack-roblox_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/roblox-free-items-2021_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/banditmask-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/how-to-get-free-tokens-in-minecraft-ps4_GM479516143.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/free-robux-legit-no-scam_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/roblox-free-headphones-2021_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/coin-master-hack-pc-download_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/coin-master-daily-free-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/free-robux-giveaway-discord_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/roblox-land-free-robux_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/free-minecraft-skin-creator_GM479516143.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/roblox-hacker-roblox_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/roblox-free-avatar-creator_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_off000035fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x35FC 23024 bytes
SHA-256: 70655677baa171da61238892afd8660063f5a52c026b135c674509c9f5b20309
font_01_sfnt_off0000699b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x699B 18652 bytes
SHA-256: 3b7ad0687cc38916e9ed387441e9d99f27df67e188eb0367be00fbed64432edc

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