PDF static analysis report

Static analysis result for SHA-256 177f55ada586eea8…

SUSPICIOUS

PDF

34.1 KB Created: 2021-07-04 10:09:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c41f2e918bcd8d1f7acfb13aff064788 SHA-1: f873d5a0e88dbdf764e76b672a70fe5be1cb436e SHA-256: 177f55ada586eea83416a40ce1cdeef69e3e861fbc481662d29e2eecd6b076c6
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for 'Coin Master Free Coins' and includes an embedded URL pointing to a site offering game hacks. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs suggests a phishing or scam attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs indicate an attempt to redirect users to malicious content, likely for credential harvesting or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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/coin-master-free-coins-no-human-verification-game-hack PDF link annotation
    • https://digilib.stimlog.ac.id/repository/roblox-robuxfor-free_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/dust-trust-roblox-hacker_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/promocodes-roblox-free-robux_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/wurst-download_GM479516143.pdfIn PDF document text
    • http://digilib.stimlog.ac.id/repository/get-free-robux_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/account-hacked-on-roblox_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/free-roblox-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • http://digilib.stimlog.ac.id/repository/coin-master-connection-lost-hack_GM406889139.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/free-minecraft-skins_GM479516143.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/rc7-download-free-roblox_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/minecraft-bedrock-edition-pc-free_GM479516143.pdfIn PDF document text
    • http://digilib.stimlog.ac.id/repository/coin-master-real-free-spins_GM406889139.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/roblox-pet-simulator-hacks_GM431946152.pdfIn PDF document text
    • http://digilib.stimlog.ac.id/repository/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/roblox-pokemon-cheats_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/free-item-going-limited-in-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.stimlog.ac.id/repository/cheating-hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • http://digilib.stimlog.ac.id/repository/minecraft-pocket-apk_GM479516143.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/premium-software-roblox-hack_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/coin-master-hack-unlimited-spins_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_off00003044.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3044 22472 bytes
SHA-256: 535bb33525b270d25a0d5d62b3be63917aa4c1120b3e6d2dece3b7cea573181e
font_01_sfnt_off0000621e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x621E 18532 bytes
SHA-256: b4ac0924cc66402825594c2f273c2919cd313c472a67e40b1dcf3e4806c82e27