Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2c8dd4929a6645d…

MALICIOUS

PDF

35.0 KB Created: 2021-06-21 00:46:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 3f7284fc765458fcdd6bc8b45de025be SHA-1: 029d096c31c91909bdf827bc71666dd0c73d0737 SHA-256: a2c8dd4929a6645ddeda882cb9b45447f2da692216d8a0b14d5eec651066ea7b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to a known malicious domain, masquerading as a game hack generator. The document body and heuristics indicate a lure for users seeking cheats or exploits, likely leading to further malware download or credential harvesting. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

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/free-level-7-executor-roblox-game-hack In PDF document text
    • https://www.indo-parabola.com/ckfinder/userfiles/files/coin-master-time-hack-2021_GM406889139.pdfIn PDF document text
    • https://indo-parabola.com/ckfinder/userfiles/files/hacks-for-roblox-couner-bloc_GM431946152.pdfIn PDF document text
    • https://indo-parabola.com/ckfinder/userfiles/files/how-to-hack-into-someones-roblox-account-2021-on-ipad_GM431946152.pdfIn PDF document text
    • https://indo-parabola.com/ckfinder/userfiles/files/moonactive-coin-master_GM406889139.pdfIn PDF document text
    • https://www.indo-parabola.com/ckfinder/userfiles/files/coin-master-free-spins-and-chips_GM406889139.pdfIn PDF document text
    • https://www.indo-parabola.com/ckfinder/userfiles/files/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
    • https://indo-parabola.com/ckfinder/userfiles/files/coin-master-free-spin-software_GM406889139.pdfIn PDF document text
    • https://indo-parabola.com/ckfinder/userfiles/files/roblox-anime-girl-patrol-tsundere-red-demo-script-hack_GM431946152.pdfIn PDF document text
    • https://indo-parabola.com/ckfinder/userfiles/files/download-coin-master-hack-tool-v1-9_GM406889139.pdfIn PDF document text
    • https://www.indo-parabola.com/ckfinder/userfiles/files/minecraft-hacker-skin_GM479516143.pdfIn PDF document text
    • https://www.indo-parabola.com/ckfinder/userfiles/files/roblox-ninja-legends-hack-apk_GM431946152.pdfIn PDF document text
    • https://www.indo-parabola.com/ckfinder/userfiles/files/how-to-get-free-robux-fast_GM431946152.pdfIn PDF document text
    • https://www.indo-parabola.com/ckfinder/userfiles/files/free-coins-app-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.indo-parabola.com/ckfinder/userfiles/files/roblox-games-apk-free-download_GM431946152.pdfIn PDF document text
    • https://indo-parabola.com/ckfinder/userfiles/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://indo-parabola.com/ckfinder/userfiles/files/get-free-robux-game_GM431946152.pdfIn PDF document text
    • https://indo-parabola.com/ckfinder/userfiles/files/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • https://www.indo-parabola.com/ckfinder/userfiles/files/coin-master-hack-apk-35-13_GM406889139.pdfIn PDF document text
    • https://www.indo-parabola.com/ckfinder/userfiles/files/real-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://www.indo-parabola.com/ckfinder/userfiles/files/moonactive-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • https://www.roblox.com/.IIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 4

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
font_00_sfnt_off000032d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32D4 22064 bytes
SHA-256: d8609004eb03179d1255b3c0975e9616f02c2b958fd574180f0c7815881cd848
font_01_sfnt_off0000639d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x639D 19064 bytes
SHA-256: 6aa163574f4360fd41e8401fe4e6975d19951f57db11bef12cef55004c2c2f0f

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