Malicious PDF — malware analysis report

Static analysis result for SHA-256 61626a7e655e504f…

MALICIOUS

PDF

35.7 KB Created: 2021-06-25 19:43:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: f31728c4fb39ebe3f438530f9562edcb SHA-1: 112a4ae8d08a5163dab7b108d07aba504f05164d SHA-256: 61626a7e655e504fbfea9348f0ae5b4a51c707889c957e75cafc6715328238b6
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 0.9980

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 http://netcdn.co/app/431946152/roblox-studio-free-download-game-hack PDF link annotation
    • http://www.pspmrsmmbk.com/cendana/repository/how-to-get-free-robux-without-verificaton_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/10k-likes-on-tiktok-free_GM835599320.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/free-coin-master-links_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/coin-master-hack-generator_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/haktuts-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/free-robux-codes-generator_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/coin-master-free-items_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/free-texture-packs-for-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/is-minecraft-free-on-switch_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/earn-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/minecraft-windows-10-edition-free-with-java_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/roblox-exploit-scripts_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/pokemon-go-free-promo-codes-june-2021_GM1094591345.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/coin-master-free-pet-food-links_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/lastrick-com-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/free-robux-hacks-no-verification_GM431946152.pdfIn 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003196.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3196 22868 bytes
SHA-256: 39cf020c0d8734545fd03667ace7f95b0108adf78765313cb6be47fcb5f13850
font_01_sfnt_off000064fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64FC 19520 bytes
SHA-256: 32abd373921e57db2f0dd1d224be69154d6949e736b02c1ad943af3dce668cbd

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