Malicious PDF — malware analysis report

Static analysis result for SHA-256 711409651456f22d…

MALICIOUS

PDF

35.6 KB Created: 2021-06-28 04:07:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 3a5eab4182566f693771402eee6cf3d8 SHA-1: 6b139eb4fccd70b51b7b7125ff837de5b24173b2 SHA-256: 711409651456f22dad04cf2531bdc439355e3c09f613bafee3952bbd27bf5cd5
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains a prominent link to a redirector infrastructure that hosts a file related to game hacking. The presence of a "download button" heuristic and the ML classifier's high confidence score indicate a malicious intent to deliver a payload. The embedded URLs likely serve as lures for users seeking cheats or hacks, ultimately leading them to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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-hack-roblox-with-cheat-engine-6.4-robux-game-hack In PDF document text
    • https://opac.heritagejkt.org/repository/roblox-health-hack-cheat-engine-64_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/free-clothes-for-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/coin-master-free-soins_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/natural-disaster-survival-roblox-cheats_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/coin-master-fan-page-giveaway_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/youtube-project-pokemon-roblox-hack-legebds_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/hack-coin-master-dzooka_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/robux-free-online_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/hack-para-coin-master-singapore_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/minecraft-java-hacks_GM479516143.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/roblox-john-doe-when-they-hack_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/free-robux-wheel_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/blox-land-free-robux_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/coin-master-hack-unlimited-spins-game-download_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/pubg-uc-recharge_GM1330123889.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/best-free-minecraft-server-hosting-reddit_GM479516143.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/blue-pants-roblox-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_off00003233.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3233 22260 bytes
SHA-256: c930f3d5b1fbf1db9ef4ad80e6e2fa729b400d1b862664695f164980478a8794
font_01_sfnt_off000063de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63DE 19844 bytes
SHA-256: 5709a0e13a58cbcae7b87d2fddfff88a064dcc2ebd399cdce6e8c60e44805de0

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