PDF static analysis report

Static analysis result for SHA-256 cb969f147b5147e2…

SUSPICIOUS

PDF

34.7 KB Created: 2021-06-19 13:39:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 37c60ae1f7c3a847719c6e13c07901e8 SHA-1: 3f84a99867f3e8bbfd8440a4306327b43f61c338 SHA-256: cb969f147b5147e264fecdf41da24fd6c3a7ee6bc198cedf7e96a1600e501482
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier strongly flagged this PDF as malicious, and it contains an external URI pointing to a suspicious download link. The document body, though partially corrupted, suggests a lure related to game cheats or hacks, further supported by the numerous embedded URLs. While no scripts were explicitly extracted, the presence of external links and the ML detection indicate a high likelihood of this document being used to deliver a secondary payload.

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.co/app/431946152/getting-cheated-on-in-roblox-game-hack PDF link annotation
    • https://library.uigm.ac.id/repository/free-roblox-printables_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/robux-game-com_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/roblox-cheat-table-mm2_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/blue-pants-roblox-free_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/free-robux-robuxian_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/roblox-cheats-computer_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/minecraft-java-edition-free_GM479516143.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/free-spin-coin-master-ios_GM406889139.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/how-to-get-btools-in-roblox-with-cheat-engine_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/roblox-free-boy-hair_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/gameclub-roblox-hack_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/roblox-code-carte-cadeau-hack_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/coin-master-free-pet-food_GM406889139.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/ios-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/coin-master-2021-free-spins-link-today_GM406889139.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/150-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/free-minecraft-capes_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F7E 22804 bytes
SHA-256: c228dfb75f2aae81c71a6a13c57e725626a4181f9fc134ecbdea7198a7bf6a3f
font_01_sfnt_off0000629e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x629E 19048 bytes
SHA-256: e70487b1a31e549a72a5b98a57d4c690017211d2c5ecff1c2f56e874c414f9cd

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