Malicious PDF — malware analysis report

Static analysis result for SHA-256 111f19c1dc1dd5aa…

MALICIOUS

PDF

34.5 KB Created: 2021-07-01 10:36:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 248be2f4efc28dbe0cf691d7d6d34979 SHA-1: ad076ddc7378236e41824a2d3d5028025a299ca6 SHA-256: 111f19c1dc1dd5aa816097afe304d2ffb58f6e888016f8fd2127eb8d4bc78a25
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple heuristics indicating malicious redirector links, specifically targeting users with lures for game hacks and free currency. The document body contains a prominent URL that is flagged as malicious and leads to a redirector. This suggests the primary goal is to drive traffic to potentially harmful websites.

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-get-robux-in-roblox-for-free-on-pc-game-hack In PDF document text
    • http://digilibfisip.unla.ac.id/repository/como-ser-hacker-sin-descargar-nada-en-roblox_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-coin-master-game_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/coin-master-daily-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/enter-this-promo-code-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/how-to-use-speed-hack-cheat-engine-on-roblox_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/hack-robux_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/coin-master-hack-spins-2021_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-robux-com-real_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/fond-dcran-gamer-roblox-hack_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/games-in-roblox-that-give-you-free-stuff_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/minecraft-free-trial_GM479516143.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-items-on-roblox-mobile_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/games-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/how-to-get-free-robux-2021-without-human-verification_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/cch-ly-robux-free-2021_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/roblox-hack-tool-download-fee_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/roblox-shooting-range-free_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_off00003019.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3019 22372 bytes
SHA-256: 723012f1af323cc2fb1263717fd9fb770de214026bbd7f2ebf7398e2188621b0
font_01_sfnt_off00006147.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6147 19212 bytes
SHA-256: 227b550cd6c20cf804a9d66a2d31055718037f5e80b52370f95ed5eaabd66650

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