Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e42a58a95205bab…

MALICIOUS

PDF

35.2 KB Created: 2021-07-05 19:51:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 94f87a9803917619574b9cce9e96c70f SHA-1: 30495aefc4b422e862d5a73b1a495f549874670b SHA-256: 2e42a58a95205babecca636af6353a944d1dc4267615aaac10453e076cc1d32e
102 Risk Score

Malware Insights

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

This PDF document contains numerous embedded links and a document body that promotes game hacks and cheats for popular games like Roblox and Coin Master. The primary URL, http://netcdn.tw/app/431946152/roblox-account-taker-game-hack, suggests a malicious download or exploit. The heuristic findings indicate a high likelihood of malicious intent, with the ML classifier strongly flagging the PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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-account-taker-game-hack
    • https://katalog.smkn1glagah.sch.id/repository/roblox-goradiel-rpg-4-hacked_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id//repository/link-for-free-coins-in-coin-master_GM406889139.pdf
    • https://katalog.smkn1glagah.sch.id//repository/coin-master-mod-apk-latest-version-free-download_GM406889139.pdf
    • https://katalog.smkn1glagah.sch.id/repository/roblox-how-to-make-gui-hack_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/asshurtv2-roblox-hack_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/coin-master-free-spins-link-2021-today_GM406889139.pdf
    • https://katalog.smkn1glagah.sch.id/repository/roblox-hack-get-free-robuxs-no-download_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id//repository/coin-master-free-coins-and-spins-hack_GM406889139.pdf
    • https://katalog.smkn1glagah.sch.id/repository/microsoft-bing-free-robux_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/roblox-hacks-project-jojo_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id//repository/master-coin-free-link_GM406889139.pdf
    • https://katalog.smkn1glagah.sch.id/repository/murder-mystery-free-online-games-roblox_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/how-to-get-robux-easily-and-free_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/roblox-game-private-free_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/roblox-script-running-with-cheat-engine_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/rthro-packages-free-roblox_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/hack-to-protect-village-on-coin-master_GM406889139.pdf
    • https://katalog.smkn1glagah.sch.id/repository/free-galaxy-arcade-roblox_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/how-to-pubg-uc-free_GM1330123889.pdf
    • https://katalog.smkn1glagah.sch.id/repository/how-do-you-get-free-robux-on-computer_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003050.bin
717cc5a4225c7723eb375377ca400cc523f021daaa33f5d26048b4288ff26389		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3050 23284 bytes
font_01_sfnt_off000064dd.bin
1ac9eb9aa89e439b55c45426dedaee8545051be4b2c8c607e9dd6fc399630af8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64DD 18900 bytes

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