Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef514a30cddf14d6…

MALICIOUS

PDF

35.5 KB Created: 2021-07-01 22:30:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d601b81abc393fe6b8dd96f701e938ae SHA-1: 7d129ed9fcbba0209053160483fdac4bc5009654 SHA-256: ef514a30cddf14d600d82de950331902e55b0ff52a4ecf4b15ecc3fc8c5cf007
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free game hacks and generators to trick users into clicking malicious links. The primary link directs to a known malicious redirector infrastructure, which in turn serves further malicious PDF documents. The document body contains obfuscated text and URLs related to popular games, reinforcing the lure.

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/what-do-colours-in-roblox-for-free-game-hack In PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/easy-robux-com_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-font-free_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/twitter-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/how-to-get-free-robux-on-iphone_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/coin-master-hack-1021_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/coin-master-free-spins-generator-no-human-verification_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/free-roblox-com_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/hack-aimbot-roblox_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/free-minecraft-mods_GM479516143.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/free-robux-on-phone_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/robux-get-com_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/is-it-possible-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/how-to-get-20210-robux-for-free_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-hack-robux-2021_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/how-do-you-get-roebucks_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/free-robux-roblix-gift-card-generator_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/how-do-you-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-cheat-engine-bypass-february-2021_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_off000032c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32C0 22392 bytes
SHA-256: 1e6315d261399ffe5a2dfd6ef50fa07f8c56b66e0ecc12d160d41ecebc743d51
font_01_sfnt_off000064d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64D4 19424 bytes
SHA-256: d1ae891e6ccbd394ec2a687c5ca893ea26aecab15ba7434c9a9a227bbfa44842

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