Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d3f42a582556783…

MALICIOUS

PDF

41.5 KB Created: 2021-05-19 06:32:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 34f2e0763268bcc7cd5c0bd7b42f942d SHA-1: 814c3cae02babb49b6a4e3e3f94857a37828bfbf SHA-256: 0d3f42a58255678333841f064a2b6bc2afe67a980b1abe2dbaaa3026c17c92c2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically advertising 'free generator / game hack' lures. The ML classifier also flagged this PDF as malicious. The embedded links likely lead to scam pages or further malware distribution, aiming to exploit user interest in free in-game currency or cheats.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • 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.
  • 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/431946152/robux-earner-game-hack In PDF document text
    • https://www.manmed.info:443/images/free-robux-no-human-verification-no-survey_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-hack-iphone_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-coin_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/easy-robux-today_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-to-get-free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-minecraft-skins-ps4_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-roblox-clothes-boy_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-coins-facebook_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-spins-hack-without-human-verification_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/tiktok-free-unblocked_GM835599320.pdfIn PDF document text
    • https://www.manmed.info:443/images/download-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-to-hack-coin-master-apple_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/hacks-roblox_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-hack-spin_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-to-get-free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-real-working_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/minecraft-dungeons-free-download_GM479516143.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_off0000474e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x474E 24904 bytes
SHA-256: 12329653f07b902fc47442596bc754306c20901b595119a3f9f3f3ff5837989f
font_01_sfnt_off00008072.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8072 18076 bytes
SHA-256: f5a75b1f1fd7f518e5c7427b096eb9f92d711688fa0aea541fd532851a6f5025

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