Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb5c132aae744946…

MALICIOUS

PDF

34.2 KB Created: 2021-07-04 22:19:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 62b5f750c03be1c6b9a97b049bd5cf16 SHA-1: cb5d259d2319ce2f7b42b80ab0c9210ea333e7b1 SHA-256: eb5c132aae74494607d2ee94f9d21f45a8d67fe4bfaf3c80fdf6d39b91bbca83
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one to a known malicious redirector infrastructure, that lure users into downloading game hacks or cheats. The document body and embedded URLs suggest a scam aimed at tricking users into visiting malicious sites, likely to download malware or steal credentials. No scripts were extracted, but the presence of malicious links and the lure indicate a phishing or social engineering attack.

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.tw/app/406889139/coin-master-free-spins-and-coins-hack-game-hack In PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-robux-app_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/how-to-hack-someones-account-on-roblox-2021-jax_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/1-billion-robux-hack_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/instalar-hacks-para-counter-blox-roblox-offensive-en-espaol_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-spins-for-coin-master-app_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/coin-master-hack-apk-download-for-android_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/followers-bot-free-roblox_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/robux-in_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-roblox-skins-stampycat_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-roblox-bee-swarm-simulator-exploit_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/how-do-u-get-free-robux-in-roblox_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/how-do-you-hack-to-hack-on-robux_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-robux-scam-copy-and-paste_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-robux-generator-only-enter-password_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/how-to-stop-roblox-from-crashing-when-using-hacks_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/how-to-hack-roblox-using-cheat-engine-64_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
stream_002_off0000306b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x306B 22364 bytes
SHA-256: c5dd9d70ee5762c5f136e8afbd5609069b64f83de58afd734d822a6db813dd25
font_01_sfnt_off0000624b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x624B 18520 bytes
SHA-256: c1559f7590648362f5cfdfce4209be73d9760d02d3452c31977188917b8b5890

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