Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5b36d55e063cb52…

MALICIOUS

PDF

45.2 KB Created: 2021-05-18 02:57:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d467a208413e0ade7bb0ba41d07d7796 SHA-1: db87680fd2e8e2e940cb17a1ce0fac9e1dc7222a SHA-256: e5b36d55e063cb52ac5d5e60ae33a7f3a3ec5df0f77641541ea5299e30a7fdb1
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains multiple links that redirect to malicious infrastructure, specifically promoting 'game hacks' and 'free spins'. The heuristic firings indicate that the PDF is designed to lure users into clicking these links, which is a common social engineering tactic. While no scripts were explicitly extracted, the nature of the links and the ML classification suggest a malicious intent to redirect users to potentially harmful content or further stages of an attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9621

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/haktuts-free-spins-game-hack In PDF document text
    • http://bagliomangiapane.it/images/wahoogaming-co-free-robux_GM431946152.pdfIn PDF document text
    • http://bagliomangiapane.it/images/coin-master-club-hack_GM406889139.pdfIn PDF document text
    • http://bagliomangiapane.it/images/coin-master-spins-free-2021_GM406889139.pdfIn PDF document text
    • http://bagliomangiapane.it/images/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://bagliomangiapane.it/images/microsoft-store-robux_GM431946152.pdfIn PDF document text
    • http://bagliomangiapane.it/images/roblox-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://bagliomangiapane.it/images/make-free-robux_GM431946152.pdfIn PDF document text
    • http://bagliomangiapane.it/images/free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
    • http://bagliomangiapane.it/images/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://bagliomangiapane.it/images/moonactive-free-spins_GM406889139.pdfIn PDF document text
    • http://bagliomangiapane.it/images/coin-master-apk_GM406889139.pdfIn PDF document text
    • http://bagliomangiapane.it/images/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • http://bagliomangiapane.it/images/get-robux-now_GM431946152.pdfIn PDF document text
    • http://bagliomangiapane.it/images/get-me-free-robux_GM431946152.pdfIn PDF document text
    • http://bagliomangiapane.it/images/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://bagliomangiapane.it/images/coin-master-collect-today-free-spin_GM406889139.pdfIn PDF document text
    • http://bagliomangiapane.it/images/how-to-get-free-spins-on-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://bagliomangiapane.it/images/coin-master-hack-2021-android_GM406889139.pdfIn PDF document text
    • http://bagliomangiapane.it/images/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://bagliomangiapane.it/images/how-to-get-free-robux-codes_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_off00004821.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4821 26492 bytes
SHA-256: 704ce644c1c61776ca9bee8d83c80ce44dfe9de2129aed6365e7d755bb5fc5ff
font_01_sfnt_off000084e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84E8 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00008ed3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8ED3 18056 bytes
SHA-256: 27309e03ff14d41137bcd53e2e575456e4188dd6a4cb04690caeb102eb8c9b2e

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