Malicious PDF — malware analysis report

Static analysis result for SHA-256 41979896d8727e28…

MALICIOUS

PDF

43.2 KB Created: 2021-05-16 03:04:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: bd1d967b99c8a79f1c11edc6b7c84ad0 SHA-1: 5199d103f033bda4016f51c1d59101f30d3f766d SHA-256: 41979896d8727e287b079dd117b933f117f367160745c2e33b5034ee0c710512
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting game hacks and free currency generators. The heuristic firings confirm these links are associated with malicious redirectors and a lure for game hacks. The document body and embedded URLs reinforce this lure, aiming to trick users into visiting potentially harmful sites.

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/archery-master-3d-unlimited-coins-hack-game-hack In PDF document text
    • http://viemeo.fr/images/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/free-roblox-codes-2021_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/game-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/hack-coin-master-download_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/today-free-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/minecraft-windows-10-free_GM479516143.pdfIn PDF document text
    • http://viemeo.fr/images/coin-master-online-hack-download_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/microsoft-robux_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/free-spin-links-coin-master-october-30-2021_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/free-roblox-hair-boy_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/free-robux-offers_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/do-you-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • http://viemeo.fr/images/hack-coin-master-using-pc_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/coin-master-root-hack_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/free-spins_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/toolbox-for-minecraft-ios_GM479516143.pdfIn PDF document text
    • http://viemeo.fr/images/appsmob-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/minecraft-ore-finder-mod_GM479516143.pdfIn PDF document text
    • http://viemeo.fr/images/minecraft-bedrock-free_GM479516143.pdfIn PDF document text
    • https://www.urcouponsdeal.com/2019/03/coin-master-free-spin-and-coin-links.htmlIn PDF document text
    • https://coinmasterspinandcoin.comIn 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
stream_003_off00004bdd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4BDD 25028 bytes
SHA-256: 2b608499661ae2ec86bfe97c66756d4c129f9eaf055ed20565c4ecabac02ebf3
font_01_sfnt_off000084d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84D7 18928 bytes
SHA-256: 68a1d49791257d9f2ad602f5d41fb7369be842eea3b9c5f87e4c238e71419427

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