Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7c790b8e202aeba…

MALICIOUS

PDF

47.7 KB Created: 2021-06-03 23:49:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 86413a04d20052fd2b2f070b210bd79e SHA-1: 7a876e06a16636f4b39f8d29c06c1946799a1ce6 SHA-256: e7c790b8e202aeba8751d83b2396d58945d9b2a5390f6c45f62c763cf5e6b334
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 0.9769

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/406889139/fighting-free-card-coin-master-game-hack PDF link annotation
    • http://pustakafpsi.uin-suska.ac.id/repository/hack-coin-master-apk-32-download_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/free-coins_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/free-robux-kid-friendly_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/coin-master-free-spins-link-download-apk_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/clean-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/free-roblox-toy-codes_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/how-to-get-robux-easy_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/rewardrobux-com_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/toolbox-mod_GM479516143.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/free-roblox-generator_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/robux-2021_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/how-to-get-a-cape-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/how-to-legally-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/minecraft-windows-10-edition-unlock-full-game-free_GM479516143.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/how-to-get-minecraft-for-free-on-iphone-2021_GM479516143.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/free-star-code-roblox_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://coinmasterspinandcoin.comIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005211.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5211 24456 bytes
SHA-256: abe215e0a29609878bba5913d6fe16f7f6c5a1653bb881c3d58be54937a9d02d
font_01_sfnt_off000089dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89DD 4084 bytes
SHA-256: 5a0af62b1ef6be10dd4b715f800ff405bb50c1d088dd02e15c3313f016fa5b7e
font_02_sfnt_off0000979c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x979C 18336 bytes
SHA-256: f0cd4d6bae61bb9f7721c88e5b38a7df4c9de99d8fb8d81dbaccb772e8fa5d98

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