Malicious PDF — malware analysis report

Static analysis result for SHA-256 d230f3585c066ca8…

MALICIOUS

PDF

32.7 KB Created: 2021-06-19 21:44:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: e5f20da7057699620ec457a92d7010b2 SHA-1: eba0d506f76ff9a199df8f1973fc5aa8b486ed2b SHA-256: d230f3585c066ca867fb0f6be854c598e859119ddf9ebbafdfc11bd362c727c0
102 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 0.9824

Heuristics 5

  • 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.
  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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/free-robux-generator-2021-real-game-hack PDF link annotation
    • http://103.40.122.33/akasia/repository/coin-master-free-spins-link-download_GM406889139.pdfPDF link annotation
    • http://103.40.122.33/akasia/repository/roblox-account-hack-v3_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/roblox-oof-sound-free-download_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/wright-your-password-for-free-robux_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/pokemon-go-free-ticket_GM1094591345.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/roblox-hack-scripts-non-virus_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-robux-not-fake_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/hack-final-stand-roblox_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-roblox-shirt-templates-2021_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-roblox-outfits_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/minecraft-hack-mod_GM479516143.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/how-to-get-a-free-robux-to-subscribe_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/robux-hack-topp_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/hban-hacks-in-roblox_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/how-to-download-a-roblox-jail-break-hack_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/coin-master-free-cards_GM406889139.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/hack-coin-master-free_GM406889139.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_off0000295d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x295D 22088 bytes
SHA-256: fd930bff7c965e0094a0f881d3c46e3696867e5f70de3697da469729ccdc01a3
font_01_sfnt_off00005a42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A42 19296 bytes
SHA-256: 197e38a374ad1ff0f02484d53e3b189bd5a4e47aed9b9895876ce34628cdaafd

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