PDF static analysis report

Static analysis result for SHA-256 a91c98541498a076…

SUSPICIOUS

PDF

34.6 KB Created: 2021-07-04 00:01:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ea28477704783ddf15b0015536b52447 SHA-1: c78a821118e131e58e85fac39bf60dd56f162ab7 SHA-256: a91c98541498a0767d9c4c36ab35672df9418ee5bc559fad5596f8f559fb367b
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a high-confidence ML classifier firing indicating maliciousness. The document body, though partially corrupted, suggests a lure related to game modification downloads. The primary IOC is a URL pointing to a potential download site for a modified game, likely leading to malware execution.

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-mod-free-download-game-hack PDF link annotation
    • http://lib.mbp.ac.id/repository/minecraft-free-download-2021_GM479516143.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/free-robux-no-survey-no-download-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/huskybuscom-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/hackear-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/robux-withdraw_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/coin-master-spins_GM406889139.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/appsmob-info-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/coin-master-card-collection-hack_GM406889139.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/is-there-any-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/coin-master-free-spins-link-2021-hack_GM406889139.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/hack-card-collection-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/coin-master-spin-hack-without-verification_GM406889139.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/cool-roblox-skins-for-free_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/coin-master-hack-ios-10_GM406889139.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/what-is-robux_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/5-million-robux-free_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/coin-master-rewards-app_GM406889139.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
stream_002_off00003051.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3051 22852 bytes
SHA-256: 05147eb6541506be0e885f90f6630be1d561ce5a53b3f096a90255fb5112c02a
font_01_sfnt_off0000639b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x639B 18576 bytes
SHA-256: 40b18832647033b6d4dfb2224d0c4c41edfc94dbf4025f5fde83337b32b675d8

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