Malicious PDF — malware analysis report

Static analysis result for SHA-256 32f8554393be9b7b…

MALICIOUS

PDF

34.7 KB Created: 2021-06-27 01:08:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-20
MD5: c0732a374151a3560926ed14626d8916 SHA-1: 7660df8c1f19663272a0f6e77ff00ab707b71910 SHA-256: 32f8554393be9b7b2445dc2ff592977480b3d7bb91da3335dba18c126c8a9847
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free game hacks and currency to entice users to click on embedded links. The primary link redirects to known malicious infrastructure, indicating a phishing or scam attempt. While no scripts were extracted, the PDF structure and embedded URLs strongly suggest a malicious intent to redirect users to potentially harmful sites, likely for credential harvesting or further malware delivery.

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/how-to-hack-accounts-on-roblox-2021-october-game-hack In PDF document text
    • http://stikespantirapih.ac.id/home/repository/wwwhackercom-free-robux_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/coin-master-get-free-cards_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/how-to-download-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-uber-roblox-id_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/roblox-hack-script-vehicle-simulator-infinite-money-script-free_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/redline-roblox-hack-2021_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-400-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/como-robar-cualquier-cuenta-de-roblox-hack_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-account-generator-roblox_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/robux-gratis_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-coins-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-robux-come_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/how-to-hack-on-roblox-script-injector_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/roblox-bloxburf-money-hack_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/coin-master-free-spins-hack-apk-download_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/weird-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_off00002fc1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FC1 22192 bytes
SHA-256: dbc8c840a3d386f548abf0b3869ee79bcaec2c2401899d730936b14ab586ea22
font_01_sfnt_off00006108.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6108 19468 bytes
SHA-256: b9ea144fc9fb5dd647e4c49ec16afd551bab9824392e337c117ddab141b37542