Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e995f236e35107a…

MALICIOUS

PDF

44.3 KB Created: 2021-05-11 05:40:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 7f099f6cbecf9cf3f8baee3eaf804333 SHA-1: 76bae827269bb36d3c67ad3c37e307b8458d0980 SHA-256: 1e995f236e35107a914d476d6046e2cbbac1173d2c6d26c913c00b2c274edb53
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/479516143/toolbox-for-minecraft-pe-ios-game-hack PDF link annotation
    • http://repository.poliven.ac.id//repository/coin-master-hack-apk-2021-ios_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/rbxoffers-com-free-robux_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/ro-ghoul-script_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/free-robux-offers_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/rblx-city-free-robux_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/code-free-robux_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/how-to-make-a-minecraft-client_GM479516143.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/wurst-115_GM479516143.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/free-robux-no-password_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/free-robux-easy_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/roblox-free-clothes-girl_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/coin-master-free-spins-and-chips_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/robux-boost_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/get-robux-com_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
font_00_sfnt_off00004a2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A2B 24384 bytes
SHA-256: f813362406384f1705dcef16fef59ea60a64b46ea444d6b3e58738c67fac3229
font_01_sfnt_off0000810c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x810C 2820 bytes
SHA-256: 96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689
font_02_sfnt_off00008aad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AAD 18308 bytes
SHA-256: dc3ccbb79e5b5e3c2e3f1df788125855a4eb2a90c1a23b445c8862bc1b3de69c

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