Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0bb7fd2aaf9455d…

MALICIOUS

PDF

45.8 KB Created: 2021-05-10 23:31:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9e09da5480ebed36aa93718ed7bd0f28 SHA-1: 737ce613b6bb4ed99cf8fc1f9289d3537519105d SHA-256: e0bb7fd2aaf9455d655756ebd79fb42965d1b095b897e7987feba0f3e55bffa2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and "game hack" lures, indicating a phishing or scam attempt. The document body and embedded links suggest the intent is to trick users into visiting malicious websites, likely to download further malware or harvest credentials. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9432

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-hack-tool-v1-9-pc-game-hack In PDF document text
    • http://lib3tell.stptrisakti.net//repository/coin-master-hack-programmers_GM406889139.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/cool-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/public-enemy-sun-prairie-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net//repository/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/body-roblox_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/free-roblox-clothes-codes_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net//repository/free-rewards-coin-master_GM406889139.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net//repository/how-to-get-free-outfits-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/promo-codes-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net//repository/link-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/coin-master-hack-2021-free_GM406889139.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net//repository/get-free-robux-info_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net//repository/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/oprewards-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a2b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A2B 26220 bytes
SHA-256: d4cf46f04be62481a61c95852d3cec90f4f197906e72ae234580081ef9e7d3f7
font_01_sfnt_off0000852f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x852F 3204 bytes
SHA-256: 8c2546387700f45186c395d475006178ee984eabbc175bcf1ee6eb58ba8b57aa
font_02_sfnt_off00009033.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9033 18348 bytes
SHA-256: 043ae0b56aad5775724b1167a22d37e7f80b7d9c769434f087fac9bc97f423c4

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