Malicious PDF — malware analysis report

Static analysis result for SHA-256 53b464502f666853…

MALICIOUS

PDF

16.4 KB Created: 2021-07-05 07:51:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-21
MD5: 703ce5f991ea3d0997846a5550d6b94c SHA-1: 77c3d274068f52cd95f3f1d3a05b2db65ecafd40 SHA-256: 53b464502f666853bdb63e4f1a835339b26fc7a4637954dd0b54cac2cd4e74c9
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to malicious infrastructure, masquerading as game hack generators. The primary link, http://netcdn.tw/app/406889139/hack-coin-master-dzooka-game-hack, is identified as a malicious redirector. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest an attempt to trick the user into navigating to a potentially harmful site, likely for further malware delivery or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9961

Heuristics 3

  • 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.
  • 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.tw/app/406889139/hack-coin-master-dzooka-game-hack In PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/coin-master-golden-cards-hack_GM406889139.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/hacks-piano-roblox-en-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/when-was-minecraft-free_GM479516143.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/no-scam-free-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/free-roblox-shirt-template-nurse_GM431946152.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/websites-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/a-lot-of-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/how-to-make-your-roblox-character-look-cool-for-free_GM431946152.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/cheat-engine-trainers-for-roblox-list_GM431946152.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/roblox-bandit-simulator-codes-new-hacker-update_GM431946152.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/script-for-pubg-uc-hack_GM1330123889.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/coin-master-daily-free-spins-link-today-2021-free_GM406889139.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/how-to-hack-someone-on-roblox-2021-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/free-robux-stream_GM431946152.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/blox-world-free-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.sman2bondowoso.sch.id/repository/100-free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text

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