Malicious PDF — malware analysis report

Static analysis result for SHA-256 60084eea3e1dff26…

MALICIOUS

PDF

45.4 KB Created: 2021-06-03 08:09:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: e036f9ae0d6abb2b983808c1c4a416e1 SHA-1: def94f696cb4e3f554bba90539ed459bc3d6d4d4 SHA-256: 60084eea3e1dff26371a8ab60cf096b3dacfb6955b64c3bcf71e3a1ec595ca68
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 0.9864

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.online/app/479516143/wurst-client-18-9-game-hack PDF link annotation
    • http://library.asih-husada.ac.id/repository/free-robux-just-click_GM431946152.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/how-to-hack-any-roblox-account_GM431946152.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/rbx-free_GM431946152.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/hack-xp-net-generators-coin-master_GM406889139.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/coin-master-hacked-apk-download-for-android_GM406889139.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/coin-master-hacks_GM406889139.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/free-robux-app_GM431946152.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/free-spin-links-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/coin-master-free-spins-cheat-codes_GM406889139.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/coin-master-spin-cheat_GM406889139.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/free-robux-by-watching-ads_GM431946152.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/cute-free-hair-on-roblox_GM431946152.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/how-to-get-free-food-for-foxy-in-coin-master_GM406889139.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/coin-master-hack-no-human-verification-2021_GM406889139.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/how-to-hack-someones-minecraft-account_GM479516143.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/roblox-hack-game_GM431946152.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/robux-hacks-2021_GM431946152.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/hack-para-coin-master-sin-verification_GM406889139.pdfIn PDF document text
    • http://library.asih-husada.ac.id/repository/freerobuxhack-us-2021_GM431946152.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
stream_004_off000055d9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x55D9 25792 bytes
SHA-256: a34776ab1a512a8f4b288a91296e1d004916c11c8bffea6bef4a8715860873c2
font_01_sfnt_off00008f4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F4C 18232 bytes
SHA-256: 56f6cf4a32beeddc9466d2711058d373648747240dcc1118fdc29f659602879a

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