Malicious PDF — malware analysis report

Static analysis result for SHA-256 a00eac83efc4a1cc…

MALICIOUS

PDF

34.7 KB Created: 2021-06-19 13:59:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: aaa476f0bf04a730f0626148193cae4c SHA-1: d06a0f08ba16cd8f8859a2def78fb56facb9e156 SHA-256: a00eac83efc4a1cc0ed0429e9a5918d45561c228738d7b9c350c8b7861ee864f
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-exploit-for-free-download-game-hack PDF link annotation
    • http://ofthalmiatrosthess.gr/images/freer-tiktok_GM835599320.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/free-minecraft-texture-packs-java_GM479516143.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/minecraft-java-edition-redeem-code-free-2021_GM479516143.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/is-getting-free-robux-real_GM431946152.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/how-to-get-free-roblox-premium_GM431946152.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/how-to-inf-jump-in-roblox-no-hack_GM431946152.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/free-roblox-clothes-temp-downlode_GM431946152.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/free-robux-group-live_GM431946152.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/roblox-hack-stand-user_GM431946152.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/free-roblox-premium-generator_GM431946152.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/free-robux-obby_GM431946152.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/roblox-avatar-free_GM431946152.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://ofthalmiatrosthess.gr/images/minecraft-free-unblocked_GM479516143.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_off0000305f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x305F 22264 bytes
SHA-256: b2dfde5bc1a73095fe8dfd2cac5cfcefadd247def2e35a9ea8aa85c350cf30cd
font_01_sfnt_off000061ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61BA 19368 bytes
SHA-256: 029aad3c2f579ec998548e98118e80747002fae506232d6b673902a46512619d

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