Malicious PDF — malware analysis report

Static analysis result for SHA-256 52ef44669f7fdeec…

MALICIOUS

PDF

36.0 KB Created: 2021-06-26 01:10:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-22
MD5: 2f95f3be048213bddfeed2d41b098874 SHA-1: e4cc6099b8eeea059bd1ca9dcaf042870f34eff5 SHA-256: 52ef44669f7fdeec233e6d06972c0d4d4451c171b675a0dc5bb5707097bd9a59
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacks and free currency to trick users into clicking malicious links. The primary link directs to a known malicious redirector infrastructure, suggesting a phishing or malware distribution attempt. No scripts were extracted, but the document's structure and embedded URLs indicate a social engineering tactic to lead users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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/roblox-money-hack-cheat-engine-game-hack In PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/roblox-how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/roblox-free-items-website_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/event-boku-no-roblox-remastered-free_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/roblox-how-to-equip-your-free-wings_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/free-robux-hack-net_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/veste-armed-free-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/hackeando-mi-saldo-de-roblox-sin-pagar_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/infinite-jump-roblox-hack-indir_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/roblox-hack-adopt-me_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/roblox-knife-hack_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/how-to-be-headless-in-roblox-free_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/prison-life-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/hack-para-tener-robux-gratis-en-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/free-robux-generator-easy-verification_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/como-hackear-todos-los-juegos-de-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/free-exploits-roblox-2021-october-for-saber-simulator_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/free-spiderman-mask-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/free-visual-studio-roblox-exploit-template_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-prison-life-on-ipad_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/ben-10-universal-showdown-cheats-codes-roblox_GM431946152.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
font_00_sfnt_off00003450.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3450 22624 bytes
SHA-256: fb839bbcca3afb91ca7ca75f0ea220a48cc118a240db014ae13d4a41baf9b437
font_01_sfnt_off000066b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66B1 19420 bytes
SHA-256: 51db2104017bdf28554ae37e920de1431dfff83072f552a35200017faee6944f

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