Malicious PDF — malware analysis report

Static analysis result for SHA-256 ecee9a6593304f83…

MALICIOUS

PDF

43.5 KB Created: 2021-06-14 01:36:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 5e99c7bf3f8f45e3a7e4366b1dfef011 SHA-1: 59b794bd6e40f8a0327f162e8ff29b1324e972bb SHA-256: ecee9a6593304f83a0ac24b85a83ac6e6c61deb21d0ec0671e9fd979194e2978
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 0.9969

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/ho-to-hack-on-roblox-windows-game-hack PDF link annotation
    • http://torkelson.se/images/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
    • http://torkelson.se/images/how-to-get-free-unlimited-robux-in-roblox-youtube_GM431946152.pdfIn PDF document text
    • http://torkelson.se/images/free-gift-cards-2021-roblox-working_GM431946152.pdfIn PDF document text
    • http://torkelson.se/images/bux-life-free-robux_GM431946152.pdfIn PDF document text
    • http://torkelson.se/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://torkelson.se/images/coin-master-claim-free-spins_GM406889139.pdfIn PDF document text
    • http://torkelson.se/images/roblox-esp-cheat-table_GM431946152.pdfIn PDF document text
    • http://torkelson.se/images/free-robux-codes_GM431946152.pdfIn PDF document text
    • http://torkelson.se/images/robux-adder_GM431946152.pdfIn PDF document text
    • http://torkelson.se/images/combo-free-roblox_GM431946152.pdfIn PDF document text
    • http://torkelson.se/images/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
    • http://torkelson.se/images/free-minecraft-account_GM479516143.pdfIn PDF document text
    • http://torkelson.se/images/google-play-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://torkelson.se/images/how-do-you-get-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://torkelson.se/images/free-robux-earn_GM431946152.pdfIn PDF document text
    • http://torkelson.se/images/coin-master-32-hack-apk_GM406889139.pdfIn PDF document text
    • http://torkelson.se/images/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://torkelson.se/images/buy-tiktok-followers-free_GM835599320.pdfIn PDF document text
    • http://torkelson.se/images/roblox-imagine_GM431946152.pdfIn PDF document text
    • http://torkelson.se/images/free-robux-that-actually-works_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_off000047f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47F4 27404 bytes
SHA-256: 73ed2698ef9affb3277acf4131532a231f35b8171d059022fd8ac7709f24c932
font_01_sfnt_off000085c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85C3 18840 bytes
SHA-256: 750de11d3c1cd7080702fe01dbb480631165f9bac33d91693da89620ce651572

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