Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c55f68e95efab53…

MALICIOUS

PDF

34.3 KB Created: 2021-06-30 23:42:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c22bfc00f979a403a0b49e80e8aca58a SHA-1: ab6c1299b6c8160a2017ca8dc106820aaed37a4b SHA-256: 1c55f68e95efab5328b690f3138110236bb9801bb5fba3394119418dc405253e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains lures for game hacks and free currency, directing users to a malicious redirector URL. The presence of embedded URLs and a visual download button suggests a phishing or scam attempt. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of malicious intent, likely to lead the user to a site that may download further malware or collect credentials.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/roblox-hints-and-cheats-game-hack In PDF document text
    • https://www.ma-plast.hr/files/get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://www.ma-plast.hr/files/can-pokemon-go-free-remote-raid-pass_GM1094591345.pdfIn PDF document text
    • https://www.ma-plast.hr/files/where-tiktok-free-views-apk-download_GM835599320.pdfIn PDF document text
    • https://www.ma-plast.hr/files/roblox-promo-code-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.ma-plast.hr/files/coin-master-daily-free-spins-25_GM406889139.pdfIn PDF document text
    • https://www.ma-plast.hr/files/get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://www.ma-plast.hr/files/win-free-robux_GM431946152.pdfIn PDF document text
    • https://www.ma-plast.hr/files/roblox-cheatgg-safe_GM431946152.pdfIn PDF document text
    • http://www.ma-plast.hr/files/free-robux-pins_GM431946152.pdfIn PDF document text
    • https://www.ma-plast.hr/files/minecraft-font-free_GM479516143.pdfIn PDF document text
    • https://www.ma-plast.hr/files/youtube-how-to-get-free-roblox-75k_GM431946152.pdfIn PDF document text
    • http://www.ma-plast.hr/files/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
    • http://www.ma-plast.hr/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://www.ma-plast.hr/files/hack-tiktok-fans-free_GM835599320.pdfIn PDF document text
    • https://www.ma-plast.hr/files/roblox-how-to-hack-a-password_GM431946152.pdfIn PDF document text
    • http://www.ma-plast.hr/files/wurst-client_GM479516143.pdfIn PDF document text
    • http://www.ma-plast.hr/files/roblox-hack-me_GM431946152.pdfIn PDF document text
    • http://www.ma-plast.hr/files/robux-pin-free-no-verification_GM431946152.pdfIn PDF document text
    • https://www.ma-plast.hr/files/free-disney-plus-accounts-tiktok_GM835599320.pdfIn PDF document text
    • http://www.ma-plast.hr/files/how-to-get-free-daily-spins-on-coin-master_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
font_00_sfnt_off00002f14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F14 22384 bytes
SHA-256: 654e80bf08ea3ae5dbe0723be8f8f0bc6f4870819d73360c04f80f03e8d587be
font_01_sfnt_off000060fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60FB 19048 bytes
SHA-256: 46583ced9ecb4546546fca16530dc1ca4dd1dc37e832602652f4e0177831759f

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