Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2727e6a2a9d06e2…

MALICIOUS

PDF

37.7 KB Created: 2021-05-10 13:18:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 3bc56eb3673dad7854a8aa7b8c480dd4 SHA-1: afbe1e441ba58eac42acc6ce67500c4c202789ff SHA-256: c2727e6a2a9d06e20771f5a6ac120e57cb3f4c783312ae03465365f3328a1ab8
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 0.9399

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/479516143/mcpe-hack-client-game-hack PDF link annotation
    • http://paro.net.ua/images/free-robux-clothes_GM431946152.pdfIn PDF document text
    • http://paro.net.ua/images/minecraft-java-hacks_GM479516143.pdfIn PDF document text
    • http://paro.net.ua/images/coin-master-hack_GM406889139.pdfIn PDF document text
    • http://paro.net.ua/images/what-games-give-you-robux_GM431946152.pdfIn PDF document text
    • http://paro.net.ua/images/coin-master-hack-no-download_GM406889139.pdfIn PDF document text
    • http://paro.net.ua/images/blox-rewards_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_off00003a40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3A40 25092 bytes
SHA-256: b71f4b7b05a70885b49e9c57f170247e0be47d8482357d7a41c8dec3b19ece9d
font_01_sfnt_off000072bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72BF 17988 bytes
SHA-256: 87e99989ab28f7107c4229d46f6cf183976b270a9adc21032b385c5b4f15e52f

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