Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2007c58829e3be2…

MALICIOUS

PDF

43.4 KB Created: 2021-05-19 14:10:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5d23fd99312281a3506ac4651eddae5f SHA-1: a175cb58525858e3e1c96e08bc2bdaff8ad7d6f0 SHA-256: b2007c58829e3be2dbd5f4c2afaed6df965f1122b95f9798eb2758afd93b798f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to malicious infrastructure, specifically targeting users interested in game hacks and generators. The ML classifier strongly indicated maliciousness, and the presence of multiple redirector links confirms a malicious workflow. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to lure users to malicious sites, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/406889139/coinmasterfreespinlink-game-hack In PDF document text
    • http://ivanitskyvs.ru/images/hackear-coin-master_GM406889139.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/minecraft-mod-updater_GM479516143.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/bloxpage-free-robux_GM431946152.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/how-to-get-free-robux-as-a-kid_GM431946152.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/tiktok-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/coin-master-hack-tips_GM406889139.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/coin-master-free-stuff-links_GM406889139.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/minecraft-115-2-hacks_GM479516143.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/coin-master-daily-free-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/how-do-u-hack-roblox_GM431946152.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/coin-master-free-spins-link-download-ios_GM406889139.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/play-minecraft-pocket-edition-for-free_GM479516143.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/how-to-download-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/how-can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/coin-master-hack-android-no-root_GM406889139.pdfIn PDF document text
    • http://ivanitskyvs.ru/images/roblox-hackers-list_GM431946152.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_003_off000047ae.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47AE 30980 bytes
SHA-256: d66524a1cf39ec63534fed65d063239c24275c3749437ea459b1d91997845cb9
font_01_sfnt_off000087ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87AB 18224 bytes
SHA-256: 5ac1ce2ac88e7b98134a23e8a83b406c8e40c127b2dbab09a4edbea00c7c47cb

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