Malicious PDF — malware analysis report

Static analysis result for SHA-256 74183310ab853f0c…

MALICIOUS

PDF

38.2 KB Created: 2021-06-30 02:24:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 159813bacc299f5cf95d18ab9c4962a2 SHA-1: 6b7a12837e4eafeb150397daa428e264914b728c SHA-256: 74183310ab853f0cfec99b53dbb2f4a44910938a53ee527c1a1c1e865a57fca8
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirectors and scam sites, specifically targeting users interested in game hacks and free items for games like Roblox. The heuristic firings indicate the document is designed as a lure, with critical alerts for malicious redirector links. While no scripts were directly extracted, the embedded URLs are the primary mechanism for directing users to potentially malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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/wil-they-cheat-roblox-thumbnail-game-hack In PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/free-spins-coin-master-links-no-human-verification_GM406889139.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/adopt-me-roblox-free-money_GM431946152.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/roblox-money-hack_GM431946152.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/script-executor-hack-roblox_GM431946152.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/free-robux-no-human-verify_GM431946152.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/free-h-robux-game_GM431946152.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/pokemon-go-free-verizon-code_GM1094591345.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/coin-master-free-coins-and-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/free-roblox-gift-cards-not-used_GM431946152.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/tiktok-likes-for-free_GM835599320.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/groups-give-free-roblox_GM431946152.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/free-roblox-gamepasses-app_GM431946152.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/coin-master-free-spin-realme-products_GM406889139.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/free-draw-roblox-kicked-error-247_GM431946152.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/what-is-the-password-for-roblox-money-hack_GM431946152.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/real-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/free-anime-roblox_GM431946152.pdfIn PDF document text
    • http://opac.akafarma-aceh.ac.id/repository/roblox-exploit-2021-hack_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_off00003c10.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3C10 22740 bytes
SHA-256: 40d604595cc1820a67a29ff47316f98afeeb8389adbe9e0c7a783eff752c14cf
font_01_sfnt_off00006efa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EFA 19656 bytes
SHA-256: ded5606979abdc41567d1af83e02e23ca731b42c3ed6568f2f3cd5af643c7f2d

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