Malicious PDF — malware analysis report

Static analysis result for SHA-256 b494fb7df495ddf7…

MALICIOUS

PDF

42.0 KB Created: 2021-05-15 10:03:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f4e1fd94fc0ff61c70e703293d9a83e8 SHA-1: 5408c78687fb073fcdf20507895bd6beed905f9d SHA-256: b494fb7df495ddf780790b0377ac1161cbbdee1de9475af04bdf0ddfb556204d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one identified as a malicious redirector, leading to 'free generator' or 'game hack' lures. The document body and extracted URLs suggest a social engineering attempt to trick users into visiting malicious sites, likely for malware distribution or further phishing. No scripts were extracted, but the embedded URLs and redirector heuristic strongly indicate a malicious intent.

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/479516143/how-to-get-minecraft-for-free-on-laptop-game-hack In PDF document text
    • http://www.taxiaparis.fr/images/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/coin-master-ad_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/what-games-on-roblox-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/robux-earning-sites_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/free-robux-only-username_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/coin-master-free-download-for-pc_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/coin-master-haktuts_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/roblox-free-followers_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/how-do-you-earn-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/coin-master-free-spins-link-hack_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/moon-active_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/coin-master-free-spin-software_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/roblox-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/how-to-hack-someones-roblox-account_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
font_00_sfnt_off0000482b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x482B 25568 bytes
SHA-256: fb3c33c3209794df19050cae9fac56ea912a01644b692f345fe57296c46074e1
font_01_sfnt_off000082a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82A3 18052 bytes
SHA-256: e6c5d90690ade955def54cc348d22ccb2455245c015e9db3c0b43713c916dea5

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