Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e43c4d73b539192…

MALICIOUS

PDF

36.1 KB Created: 2021-06-26 14:07:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: fca631070639116cf5d14844962e48e1 SHA-1: ad345fc1916a61e35bf7bc05dd40ce13c429b831 SHA-256: 1e43c4d73b5391922626a5a938b9a2026e20c004f5e981b40ea0279da80994ed
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free Robux and game hacks to entice users into clicking malicious links. The primary link, http://netcdn.co/app/431946152/give-me-free-robux-for-roblox-game-hack, is identified as a malicious redirector, likely serving as a gateway to further malicious content or phishing pages. The document body and embedded URLs reinforce this theme, indicating a social engineering tactic to compromise users.

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/give-me-free-robux-for-roblox-game-hack In PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/cheat-engine-roblox-scripts_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/hack-for-roblox-free_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/top-10-mejores-hacks-para-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/roblox-high-jump-hack_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/roblox-unboxing-simulator-hack_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/how-do-you-hack-gems-in-royale-high-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/hack-roblox-robux-pc_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/roblox-hack-2021-pc_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/minecraft-pocket-edition-free_GM479516143.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/free-robux-without-verify-2021-april_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/comment-faire-si-on-a-ete-hack-sur-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/giveaway-free-robux-live_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/free-robux-today_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/download-roblox-hack-apk-pc_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/how-to-hack-a-roblox-user-account-2021_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/free-robux-for-xbox-1_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/free-admin-roblox-how-to-turn-itto-others_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/how-to-get-free-robux-on-mobile_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/how-to-get-free-robux-with-inspect-element-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000354d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x354D 22544 bytes
SHA-256: 830f05a498257ea99cd00cdd269a3f57116fd8e46da2c327d0ff92611864ee83
font_01_sfnt_off000067ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67BA 19220 bytes
SHA-256: 500c1334e54496216879ab3d0b81f69a4b510ddf1f17698582d68e8862d3391f

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