Malicious PDF — malware analysis report

Static analysis result for SHA-256 10806fb9f3477698…

MALICIOUS

PDF

34.0 KB Created: 2021-07-03 22:25:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 65604582ee7dec977a1fb9a1d779e876 SHA-1: f9a1640c4e75bd2e3a85f39ca56b1a06726fd909 SHA-256: 10806fb9f3477698a6cf022f5110929d6190239e7624625d601a91ab97c8de6d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a prominent link disguised as a 'game hack' or 'free generator' lure, which is a common tactic for phishing or malware distribution. The ML classifier strongly flagged this PDF as malicious. The embedded URL points to a suspicious domain likely serving as a redirector or landing page for malicious content.

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.tw/app/406889139/coin-master-free-link-today-game-hack PDF link annotation
    • http://chem.ipb.ac.id/kim/repository/coin-master-daily-spin-free_GM406889139.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/roblox-promo-code-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/free-robux-com_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/back-free-items-roblox_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/how-to-get-free-robux-on-chromebook_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/free-spin-link-in-coin-master-game_GM406889139.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/roblox-data-breach_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/get-free-robux_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/pokemon-go-free-hack_GM1094591345.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/coin-master-free-daily-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/how-do-you-hack-roblox_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/www-free-robux-com_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/roebucks-on-roblox_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/free-robux-and-tix-2021_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/delta-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/free-spins-on-coin-masters_GM406889139.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/roblox-hack-today_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/free-private-roblox-server_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/how-to-get-a-free-name-change-on-roblox_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_off00002eb0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EB0 22692 bytes
SHA-256: 683df466b67c4086b6756b832c879fadd3da5d60d709a0a230a8357f48812721
font_01_sfnt_off00006135.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6135 18524 bytes
SHA-256: a920f55f025afea5015e120a5f5dfdf37c8d5d267cdc7def099919dbf31b76fa

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