Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7e118b80706ec90…

MALICIOUS

PDF

20.6 KB Created: 2021-07-05 09:21:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 154a862bca050f5efb95d82d5aa55fbd SHA-1: f1eec1a7af5ce13d33cb29e8ce9d7b0596bd554b SHA-256: a7e118b80706ec9006a42d2ce0d1e4ce45483f71504502d62b6d321a64500440
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links designed to lure users into clicking on them by promising free game currency and hacks. The primary link redirects to known malicious infrastructure, indicating a phishing or scam attempt. While no scripts were extracted, the embedded URLs and the nature of the lure suggest a social engineering attack aimed at driving traffic to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

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/free-spins-and-coins-coin-master-links-game-hack In PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/coin-master-hack-program_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/10-robux_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/www-rbxhut-com_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/free-spin-coin-master-today_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/mcpe-client_GM479516143.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/free-roblox-dominus_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/i-need-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/roblox-how-to-create-free-model_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/free-fire-coin-master_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/get-free-spins-on-coin-master-links_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/minecraft-dungeons-download-free_GM479516143.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/how-to-get-free-snacks-on-coin-master_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/how-to-get-free-unlimited-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text

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