Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c1a02edd00898e1…

MALICIOUS

PDF

42.5 KB Created: 2021-05-12 19:36:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 054c009b68b4a7853deb2fdbb55fe8ea SHA-1: 8fcdb467ba0d70da332943a431a5b6fa361feac2 SHA-256: 3c1a02edd00898e169a210a5fb8ec32544bba9c793f717f78fb4da8796a6cab8
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, masquerading as generators for game items. The document body and embedded URLs suggest a lure for free game resources, which is a common tactic for phishing or malware distribution. The ML classifier strongly indicates maliciousness, and the presence of redirector links points to a likely download or further compromise attempt.

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/406889139/free-spin-links-coin-master-october-30-2021-game-hack In PDF document text
    • http://viemeo.fr/images/coin-master-daily-free-spins-link-march-2021_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/earn-free-robux_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/hacked-roblox-game_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
    • http://viemeo.fr/images/free-robux-com-2021_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/coin-master-hack-tool-v1-9-download-free_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/minecraft-free-apk_GM479516143.pdfIn PDF document text
    • http://viemeo.fr/images/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/hack-coin-master-using-pc_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/free-robux-codes-no-human-verification_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/a-lot-of-robux_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/minecraft-ore-finder-mod_GM479516143.pdfIn PDF document text
    • http://viemeo.fr/images/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/roblox-inappropriate_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/stock-speed-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://viemeo.fr/images/is-there-a-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://viemeo.fr/images/hack-coin-master-download_GM406889139.pdfIn 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_off0000499f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x499F 24440 bytes
SHA-256: 4c79ebdf3f8f45363a268163b458c3e87f2b94be67455c2a14f49906eb977988
font_01_sfnt_off0000820b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x820B 18788 bytes
SHA-256: 87b86729e947f81c5a05c0b15119ec86872d8ed29c351927f1fec7084a910a19

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