Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d26046085f115b1…

MALICIOUS

PDF

33.7 KB Created: 2021-06-29 04:02:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 3a4b13ecfe6e5e808543b4638f26f189 SHA-1: 853a210592a37f06a4f93bd5efd4de2a15b0516a SHA-256: 7d26046085f115b18b97340e1abe73f837d5f33570132dabd104c3c762519957
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to external websites that promise free game-related content, such as game hacks and currency. The primary link, http://netcdn.co/app/431946152/roblox-free-pokemon-go-game-hack, is flagged as a malicious redirector. The document body and heuristics indicate a lure for users interested in game exploits, likely leading to further malicious content or downloads. No scripts were extracted, but the embedded URLs and redirector findings strongly suggest a phishing or scam attempt.

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-free-pokemon-go-game-hack In PDF document text
    • http://zagorjeadventureteam.hr/files/minecraft-online-free-no-download_GM479516143.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/tiktok-free-10k-followers_GM835599320.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/assassin-roblox-hack-pastebin_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/awesome-free-accesories-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/how-to-hack-coin-master-root_GM406889139.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/roblox-bots-free_GM431946152.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/free-roblox-animations_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/how-to-add-roblox-lua-to-cheat-engine_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/jailbreak-roblox-cheat-may-20-2021_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/coin-master-fun-hack_GM406889139.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/download-coin-master-hack-apk_GM406889139.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/how-to-get-robux-for-free-on-xbox-one_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/free-spins-coin-master-ios-links_GM406889139.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/how-to-get-everything-for-free-in-roblox_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/minecraft-hax-download-no-virus_GM479516143.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/roblox-free-wings_GM431946152.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/get-free-robux-gg_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/free-texture-packs-for-minecraft-pe_GM479516143.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_off00002def.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DEF 21796 bytes
SHA-256: f722637334bac720360a8a872527fa42d8846d870069d0387776884a3ee06d03
font_01_sfnt_off00005e08.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E08 19232 bytes
SHA-256: 7a706c76d0e3c71807f98e6c842fcde03b4f9b5fdd00ec60269aa2deb3cfeffa

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