Malicious PDF — malware analysis report

Static analysis result for SHA-256 6abcedae4f581f3a…

MALICIOUS

PDF

40.5 KB Created: 2021-04-27 09:38:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 334bcff03697c1e1daeeef9242364b4c SHA-1: aa23a00e0c99274f397bc47e89c518be477245ff SHA-256: 6abcedae4f581f3affca4083d8c29bcdf7623bcf228bd47e7866997644ae9cce
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document employs a common lure for game-related cheats and hacks, specifically targeting Roblox users. It contains multiple links to external websites, including a known malicious redirector, that likely host further malicious content or phishing pages. The presence of a "download button" visual element and the explicit "CLICK HERE TO ACCESS ROBLOX GENERATOR" text reinforce the social engineering aspect of the attack. While no scripts were directly extracted, the nature of the lure and the embedded URLs suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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 https://netcdn.xyz/app/431946152/roblox-hack-account-2021-free-game-hack In PDF document text
    • https://lib-stie.yai.ac.id/repository/hacking-games-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-exploit-gui-free.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-robux-javascript.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-hack-roblox-accounts-v3rmillio.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-hack-robux-with-cheat-engine-2021.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-hacks-jaibreak.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/robux-hack-trackid-sp006.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-roblox-gift-card-generator-no-survey.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-hack-accounts-generator.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-impact-hack-client-not-working.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00003ffb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3FFB 26156 bytes
SHA-256: 2d5226a21c967d5a9e9a858a3252566adb4bc723ab202b12b8c1b2af20ee7c5e
font_01_sfnt_off00007a1e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A1E 18992 bytes
SHA-256: 5a4bd8a6576d143237b7ed2380cd822e6d96203d6e66594a43e3412757bf2c9a

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