Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d376bfa6e890c90…

MALICIOUS

PDF

37.3 KB Created: 2021-05-22 15:36:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-14
MD5: 749748040972102d54a4220c6c5a38b2 SHA-1: 3a4eedd756269cec1c41504ac04f914a1ba5705f SHA-256: 0d376bfa6e890c90b69a0cfcf3c79a25716ffad55eb6cbcd7ce53ef133a706f0
200 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

Heuristics 5

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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
  • 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/479516143/minecraft-bedrock-edition-pc-download-free-game-hack In PDF document text
    • http://egorplitka.ru/images/www-free-robux_GM431946152.pdfIn PDF document text
    • http://egorplitka.ru/images/minecraft-nintendo-switch-digital-code-free_GM479516143.pdfIn PDF document text
    • http://egorplitka.ru/images/free-spins-coin-master-links-no-human-verification_GM406889139.pdfIn PDF document text
    • http://egorplitka.ru/images/hacks-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://egorplitka.ru/images/coin-master-free-pet-food-links_GM406889139.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
stream_002_off000035a6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x35A6 24916 bytes
SHA-256: d47b1e1cbf6dbb9ff7fdd62cb283ef55d236bb20b654978a041b5f719c6e1172
font_01_sfnt_off00006f19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F19 18828 bytes
SHA-256: bab883dfc84e1a3f345dfae0998a7e69f5c6c1aec602e5a20de586714fc0e9f0

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