Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7632e5a9045a95e…

MALICIOUS

PDF

34.6 KB Created: 2021-06-25 10:31:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4e20679b7d5f93e55f2fe94992553c4a SHA-1: a2283025568cb6783ff3507c9d7ca2a19bf39e8f SHA-256: f7632e5a9045a95ea5456df367a3860bc7a67a3dbd95dfa420f1b7d76ea63204
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links, including one identified as a known malicious redirector. The document body and heuristic firings indicate a lure related to 'free Robux' or game hacks, designed to trick users into clicking the malicious link. This link likely leads to further malicious content or malware download.

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/robux-free-hair-game-hack In PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-robux-for-kids-no-verification_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/roblox-resources-hack_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-code-card-robux_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/get-free-robux-paste_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/robux-websites-2021_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/counter-blox-roblox-offensive-cheat_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/best-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/row-blocks-free-games-at-robloxcom_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-t-shirt-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/hack-para-dragon-ball-fury-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-spin-and-win-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/roblox-hacked-version-download-pc_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/roblox-hack-me_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/lol-robloxcant-patch-the-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/minecraft-for-ipad-free_GM479516143.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/real-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-roblox-hack_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/hacked-roblox-game_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_off00002fb9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FB9 22832 bytes
SHA-256: 061cb8907a5416556842d5b470378a7fa18fb41ebab10d516f0bca3889330393
font_01_sfnt_off000062ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62CE 18836 bytes
SHA-256: 1e0cd300cd070f8982c2224c5ec2957552cb526ed8d8494eadd56fd2aff672b8

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