Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c0dc3ba0d82686c…

MALICIOUS

PDF

41.5 KB Created: 2021-05-11 01:46:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 86b072757b437afed87e58e7b7b6e305 SHA-1: 8bcc00eec79c71630b898ec0c412d4dd034be06c SHA-256: 2c0dc3ba0d82686c4b6be547c0ecced12422d661ac7f1d926ab8cdc12feaced5
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 0.9971

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/431946152/roebucks-on-roblox-game-hack PDF link annotation
    • http://www.guidaturisticaverona.it/images/roblox-booga-booga-hack_GM431946152.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/universal-minecraft-converter-free_GM479516143.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/coin-master-free-spins-and-coins-for-today_GM406889139.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/how-to-get-a-cape-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/coin-master-free-cards-hack_GM406889139.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/mosttechs-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/free-apk-mods-coin-master_GM406889139.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/coin-master-free-spins-ios_GM406889139.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/free-robux-no-verification-needed_GM431946152.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/coin-master-free-coins-and-spins-2021_GM406889139.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_003_off0000457e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x457E 25752 bytes
SHA-256: dd0d9d3e6c18f6ed6e457f225b7cd44e587719fbd8b1db9ccb496394eda2f239
font_01_sfnt_off0000807e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x807E 18096 bytes
SHA-256: 660f2ad6d064874c4042e66c51e1deb22834a2626620b3d43ba9bd9331fe9e6c

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