Malicious PDF — malware analysis report

Static analysis result for SHA-256 26869db5b12ffa07…

MALICIOUS

PDF

34.7 KB Created: 2021-06-18 09:40:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: bc7718c157a6c4b52e486bb3afedf668 SHA-1: 738eb17035c612a5766bae23fade7281add9946a SHA-256: 26869db5b12ffa07b8618dfb203ba9010116030aea05f54f923b3c25e612e13a
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple embedded URLs that redirect to sites offering game hacks and generators, specifically mentioning Roblox and Minecraft. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' strongly indicates a social engineering tactic to trick users into downloading potentially malicious files. The ML classifier also flagged this PDF as malicious with high confidence.

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-hack-through-walls-game-hack PDF link annotation
    • http://ansacare.com/images/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
    • http://ansacare.com/images/minecraft-bedrock-edition-pc-download-free_GM479516143.pdfIn PDF document text
    • http://ansacare.com/images/buy-robux-free_GM431946152.pdfIn PDF document text
    • http://ansacare.com/images/free-robux-on-ipad-pro_GM431946152.pdfIn PDF document text
    • http://ansacare.com/images/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://ansacare.com/images/minecraft-pe-apk_GM479516143.pdfIn PDF document text
    • http://ansacare.com/images/hack-coin-master-android-game_GM406889139.pdfIn PDF document text
    • http://ansacare.com/images/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • http://ansacare.com/images/free-minecraft-server-maker_GM479516143.pdfIn PDF document text
    • http://ansacare.com/images/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • http://ansacare.com/images/clean-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://ansacare.com/images/how-to-get-a-free-private-server-in-roblox_GM431946152.pdfIn PDF document text
    • http://ansacare.com/images/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://ansacare.com/images/free-spin-coin-master-ios_GM406889139.pdfIn PDF document text
    • http://ansacare.com/images/mcpe-optifine_GM479516143.pdfIn PDF document text
    • http://ansacare.com/images/how-to-get-minecraft-for-free-on-nintendo-switch_GM479516143.pdfIn PDF document text
    • http://ansacare.com/images/how-to-make-my-own-coin-master-cards-hack_GM406889139.pdfIn PDF document text
    • http://ansacare.com/images/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://ansacare.com/images/pubg-uc-free-link_GM1330123889.pdfIn PDF document text
    • http://ansacare.com/images/coin-master-link_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_off00003027.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3027 22720 bytes
SHA-256: 6356fd9300fead189b068c8df0d5b18e52ad68754e15e796fe4396eaf10a89e1
font_01_sfnt_off000062ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62EE 18976 bytes
SHA-256: 1e4b0f714ffe07cbff6577eefe814333d4af38c80f0253147b68880d4fd84041

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