PDF static analysis report

Static analysis result for SHA-256 0fdbd4ac02ade5e7…

SUSPICIOUS

PDF

31.6 KB Created: 2021-07-22 15:51:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: e80e788e9a4059a68b1c5ba951aac3ad SHA-1: 35da98a8732d013cea81c8053f3d18d5c6d8f66f SHA-256: 0fdbd4ac02ade5e7aafac07f7144c954eabdcf30107cd27b1fdb1af450c5f725
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a lure suggesting a download is available, indicated by the 'SE_DOWNLOAD_BUTTON' heuristic and the presence of multiple external URLs. The primary URL, http://netcdn.tw/app/479516143/how-to-host-a-minecraft-server-for-free-game-hack, is likely the intended destination for a malicious payload. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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/479516143/how-to-host-a-minecraft-server-for-free-game-hack PDF link annotation
    • http://www.backlineservice.nl/images/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • http://www.backlineservice.nl/images/free-printable-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • http://www.backlineservice.nl/images/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://www.backlineservice.nl/images/free-tiktok-hearts_GM835599320.pdfIn PDF document text
    • http://www.backlineservice.nl/images/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://www.backlineservice.nl/images/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
    • http://www.backlineservice.nl/images/how-to-get-minecraft-java-for-free_GM479516143.pdfIn PDF document text
    • http://www.backlineservice.nl/images/how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.backlineservice.nl/images/free-robux_GM431946152.pdfIn PDF document text
    • http://www.backlineservice.nl/images/minecraft-pocket-edition-free_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_off00002a51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2A51 21856 bytes
SHA-256: f0ecbc7a6958b0f3d2bf8934244fdded08413fb44f0edcc0d471ecfd092b7cf7
font_01_sfnt_off00005a4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A4E 17988 bytes
SHA-256: 552c8aaf5f0bf5f0c44469b5bd19d93c548c2f36967da1a6f1157fed71bc8ec1

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