Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d0acc1df931588e…

MALICIOUS

PDF

35.9 KB Created: 2021-07-05 21:59:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: f94b648b451c941ab21a657b4fbbd85b SHA-1: 9d01000b26d555777deff7ed0d867827268b2ca3 SHA-256: 3d0acc1df931588e9e72c87bd01611dc1f4777471082d2b8960cf75da61f6105
82 Risk Score

Malware Insights

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

This PDF document contains multiple links, including one to 'netcdn.tw', which is flagged as a lure for game hacks and generators. The document body and heuristics indicate a social engineering tactic to trick users into visiting these links, likely leading to further malware downloads or phishing pages. No scripts were extracted from this sample.

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/406889139/how-to-generate-free-coin-master-spin-game-hack PDF link annotation
    • https://www.mpos-organs.com/uploads/files/files/coin-master-35-2-hack_GM406889139.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/what-is-coin-master_GM406889139.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/free-minecraft-games-for-kids_GM479516143.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/cheat-engine-roblox-no-cooldown_GM431946152.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/roblox-free-items_GM431946152.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/hack-roblox-hydra_GM431946152.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/coin-master-claim-spins_GM406889139.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/can-you-give-me-robux_GM431946152.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/best-free-minecraft-texture-packs_GM479516143.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/free-redeem-code-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/coin-master-com_GM406889139.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/hacks-para-roblox_GM431946152.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/free-roblox-accounts-with-robux-2021-for-android_GM431946152.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/how-to-hack-roblox-to-get-robux-on-ipad_GM431946152.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/irobux-com-redeem_GM431946152.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/players-involved-in-the-2021-hack-roblox_GM431946152.pdfIn PDF document text
    • https://www.mpos-organs.com/uploads/files/files/free-robux-easy_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
stream_002_off000033db.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33DB 23880 bytes
SHA-256: 24f40808253c73cdd5b86c35841ad6d5935fee96a3476ee561f317a007dfdbb8
font_01_sfnt_off00006997.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6997 18336 bytes
SHA-256: 44149cbd1419f5cddd2185958f28928906a990b98f16256b2ecbc419de034d9f