PDF static analysis report

Static analysis result for SHA-256 a8adda95e8fccd85…

SUSPICIOUS

PDF

39.3 KB Created: 2021-05-11 00:06:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 09654f79b155669e06ffc6bba3fcb800 SHA-1: e107c9f69a572261d257ac62eb77bb60eec915f4 SHA-256: a8adda95e8fccd85f4f4ec662a17a57f985bd943981266478b7d3fe8e5ebd8d4
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as suspicious. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier clean score 0.0127

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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 https://netcdn.xyz/app/431946152/free-roblox-gift-card-codes-2021-game-hack PDF link annotation
    • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000032fb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32FB 24668 bytes
SHA-256: 442255d8cb6511e921731ec17ef4e243936b95198e47e44f91d20cf8f497bda1
font_01_sfnt_off00006bda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BDA 2840 bytes
SHA-256: 787e0768241fb57660bcc9c7f726cf687277c463cdf8c586c4782ee9d03c3606
font_02_sfnt_off00007599.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7599 18976 bytes
SHA-256: da888a05767b354bf4a788b28622fcb1db99041a598c845d67a69c5c37b8a5f7

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