Malicious PDF — malware analysis report

Static analysis result for SHA-256 26d9b6c6e46cd5e0…

MALICIOUS

PDF

43.9 KB Created: 2021-05-16 19:36:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d673ecc5309b28c2a856d6c597e60ec5 SHA-1: 57088a132ee020c3987d1e3d6cb622a497eaae17 SHA-256: 26d9b6c6e46cd5e08c83785b81e056d815c7cd912be037e1983a5da11272aaec
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites that are flagged as malicious redirectors, specifically promoting game hacks and generators. The document body and embedded URLs suggest a lure for users seeking in-game advantages, which is a common social engineering tactic. The primary malicious URL identified is https://netcdn.xyz/app/406889139/coin-master-free-daily-spins-link-2021-game-hack, which likely leads to further malicious content or exploits.

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/coin-master-free-daily-spins-link-2021-game-hack In PDF document text
    • http://viemeo.fr/images/moon-static-coin-master-generator-hacks-free_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/how-to-make-my-own-coin-master-cards-hack_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/hack-coin-master-spin_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/roblox-piano-hack_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/hack-coin-master-android-2021_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/collect-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/free-spins-and-coins-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/coin-master-download-hack-ios_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/free-robux-images_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/static-moonactive-net-rewards-2021_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/minecraft-bedrock-free_GM479516143.pdfIn PDF document text
    • http://viemeo.fr/images/free-spins_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/free-800-robux_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/coin-master-cheat-codes-free_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/minecraft-pocket-edition-download-free-pe-calculator_GM479516143.pdfIn PDF document text
    • http://viemeo.fr/images/coin-master-free-spins-hack-download_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_003_off000049c1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49C1 27100 bytes
SHA-256: e726b6c4d378f954194f3d6724d6515e2ae49541747fcd00570cb1b72c917dd1
font_01_sfnt_off00008761.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8761 18880 bytes
SHA-256: d0a5866c103c1e9d7474fc7de7eb35b8af24bd0c85b86236f9825ea4ee2a12f1

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