Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc4703f8b3c35114…

MALICIOUS

PDF

207.0 KB Created: 2021-07-06 09:27:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-12
MD5: 030548ffea13f8fd7eb8d107af8e17c0 SHA-1: 8e59351a7c712a3c16a7fdba6e567633695d3716 SHA-256: bc4703f8b3c351149c631f1f7a5237e7c6cc4d7777aef20b213fdbd0d860cfba
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that lead to known malicious redirectors, masquerading as game hack generators. The primary lure is for 'Pokemon Go Free Rare Candy', directing users to http://netcdn.tw/app/1094591345/pokemon-go-free-rare-candy-game-hack. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a phishing or social engineering attack aimed at redirecting users to potentially malicious sites.

Machine Learning

  • Nyx PDF Classifier clean score 0.2331

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/1094591345/pokemon-go-free-rare-candy-game-hack In PDF document text
    • http://slims.abulyatama.ac.id/repository/how-to-get-free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/anarchy-hacks-roblox_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/robux-hack-pastebin-2021_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/cheat-roblox-superpower-training-simulator-2021_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/carding-for-pubg-uc_GM1330123889.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/hack-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/coin-master-links-for-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/free-spins-for-coin-master-ios_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-4-mobile-24-roblox_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-wall-hack-script_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/100-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/coin-master-hack-ios-12_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/daily-spin_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-animations-on-roblox_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/followers-hack-roblox_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-hack-tool-v1-9-apk_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-google-play-promo-codes-coin-master_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/free-spins-coin-master-without-completing-offers_GM406889139.pdfIn PDF document text

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