Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e7f1d3fa72df8ac…

MALICIOUS

PDF

35.3 KB Created: 2021-06-25 19:03:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a46e9edacd3b045cbc4690f21d5873e4 SHA-1: 7ebea58128331da0ed572cbf6c8de40bd11bacf3 SHA-256: 3e7f1d3fa72df8acb4dd2b7123acb32ca1e2db7fb80e5a8dde903088980ca4ce
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to malicious redirectors, masquerading as game hacks and generators. These redirectors, in turn, host further malicious PDFs, indicating a chain of lures designed to trick users into downloading potentially harmful content. The ML classifier strongly supports the malicious nature of this PDF.

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-hack-no-verification-no-download-game-hack In PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/robux-hack-v1-0-pastebin_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/hacker-vs-admin-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/roblox-online-account-hack-tool_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/free-minecraft-resource-packs_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/how-to-hack-roblox-accounts-passwords_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/etok3-crab-roghoul-alpha-roblox-cheat-code_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/freer-pro-tiktok-fans_GM835599320.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/free-cool-roblox-outfits_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/free-robux-website_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/roblox-exploit-download-for-free_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/console-hack-roblox-command_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/how-to-create-private-server-in-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/free-robux-codes-2021-unused_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/free-minecraft-accounts-reddit_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/hack-cruise-ship-tycoon-roblox-money_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/www-roblox-com-robux-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_off000030f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30F8 22432 bytes
SHA-256: d9115e349998a70fbfae766b73ddc94201f1fdb1d8123d4b112be6b71510e398
font_01_sfnt_off000062e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62E3 19660 bytes
SHA-256: 8a32934908f8c8f8aa89f879809931d1defd17b5553d25c76116d4e00de64777

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