PDF static analysis report

Static analysis result for SHA-256 a640d6df40779c07…

SUSPICIOUS

PDF

35.0 KB Created: 2021-06-27 23:20:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 3de1bde0135265ff7b59e3d23d649d5d SHA-1: dc1066edad124d8df266d88f2a150b89b137fb77 SHA-256: a640d6df40779c07a05887376f561429312f5da683d0e93969e3f972fe583b65
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous URLs and a prominent external URI pointing to a download site, suggesting a lure for users seeking free in-game currency. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs reinforces the likelihood of a malicious download attempt. No scripts were extracted, but the overall structure and content indicate a phishing or malware distribution attempt.

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/app-hack-online-roblox-robux-game-hack PDF link annotation
    • https://perpustakaan.itda.ac.id/repository/codes-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/ninja-animation-pack-roblox-free_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/free-robux-ad_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/can-you-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/how-to-hack-roblox-lumber-tycoon-2-with-cheat-engine_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/coin-master-firebird-card-free_GM406889139.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/free-robux-don-t-have-to-do-anything_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/free-robux-youtube-robuxian_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/games-to-get-you-free-robux_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/free-uber-roblox-sound-id_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/freespinandcoin-blogspot_GM406889139.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/coin-master-tricks_GM406889139.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/roblox-free-robux-free-download_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/how-to-get-free-robux-fast-and-easy-2021_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/daily-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/how-to-get-free-robux-in-lumber-tycoon-2_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/how-to-get-free-robux-in-2021_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/unlimited-jump-hack-roblox_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_off00003201.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3201 22336 bytes
SHA-256: 9c1ad71767e03fd94b352071f99b8b0580b4c1afd41ad7e6f6aa80b61035a2b1
font_01_sfnt_off0000639f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x639F 19092 bytes
SHA-256: 573f9aa29822c1927c7745b0b277151f47a88bb84c5b3aa027d021d1eb990196