Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ce18529ab2364ae…

MALICIOUS

PDF

46.2 KB Created: 2021-06-13 23:30:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4573e4d68d13827ecde4306f719cb8d9 SHA-1: 525a06cc835aff495a43b53c9ac3c89a6037a4f0 SHA-256: 2ce18529ab2364aefbb37b1a5babd55e60b6af4deeb6994f5d5d7d2531aa9fd5
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites that are flagged as malicious redirectors, specifically advertising 'free generator / game hack' lures. The document body, though partially obfuscated, contains similar scam-related text and URLs. The primary function appears to be directing users to malicious sites through deceptive content, likely as part of a phishing or scam campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9432

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/how-to-make-a-free-robux-scam-game-game-hack In PDF document text
    • http://legs11.co.za/images/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/coin-master-pc-hack_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/100-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
    • http://legs11.co.za/images/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/coin-hackhub-coin-master_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/free-minecraft-severs_GM479516143.pdfIn PDF document text
    • http://legs11.co.za/images/emperor-roblox-hack_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/minecraft-launcher-download-free_GM479516143.pdfIn PDF document text
    • http://legs11.co.za/images/minecraft-free-trial_GM479516143.pdfIn PDF document text
    • http://legs11.co.za/images/free-robux-app-real_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/how-to-get-minecraft-windows-10-for-free-2021_GM479516143.pdfIn PDF document text
    • http://legs11.co.za/images/by-pubg-uc-free_GM1330123889.pdfIn PDF document text
    • http://legs11.co.za/images/roblox-bloxburg-hack_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/is-java-minecraft-free_GM479516143.pdfIn PDF document text
    • http://legs11.co.za/images/identity-fraud-roblox-cheats_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/hacks-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://legs11.co.za/images/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004ad8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AD8 25492 bytes
SHA-256: e98a71fe28e0ef89863213caa7b2e9a7486ae99414b081316e64e1d078da690a
font_01_sfnt_off00008658.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8658 2844 bytes
SHA-256: a66b570a908761b39e6d9e18bcb667c353840a86c6a7db528f79d01abe6b23a1
font_02_sfnt_off00008fff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FFF 19032 bytes
SHA-256: 70673dab7003f5ed578bc1f1e198163486795fa66f342ebe0d712b1f53dde22d

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