Malicious PDF — malware analysis report

Static analysis result for SHA-256 68612eb22cbb89ff…

MALICIOUS

PDF

46.8 KB Created: 2021-05-13 16:31:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5089dacd9402a5bff00b258d79b67ea7 SHA-1: aa1b69c54d41672a24622d01fd6cdf1e6a9eddd6 SHA-256: 68612eb22cbb89ffb40dc139fd860fb9f596ea4e5d6f9ba37c15f21f5b7b4508
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link pointing to a URL associated with downloading an application. The document body, though partially corrupted, contains text and URLs related to game hacks and mods, reinforcing the lure. The presence of a visual download button further supports the social engineering aspect of this attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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 https://netcdn.xyz/app/406889139/coin-master-3.2-android-mod-hack-apk-download-game-hack In PDF document text
    • http://pwpyemen.org/images/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://pwpyemen.org/images/roblox-apocalypse-rising-hack_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/coin-master-hack-coins_GM406889139.pdfIn PDF document text
    • http://pwpyemen.org/images/apps-for-free-robux_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/get-free-spins-on-coin-master-links_GM406889139.pdfIn PDF document text
    • http://pwpyemen.org/images/minecraft-hack-ios_GM479516143.pdfIn PDF document text
    • http://pwpyemen.org/images/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://pwpyemen.org/images/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • http://pwpyemen.org/images/minecraft-hack-2021_GM479516143.pdfIn PDF document text
    • http://pwpyemen.org/images/free-robux-hack_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/minecraft-servers-that-allow-hacks_GM479516143.pdfIn PDF document text
    • http://pwpyemen.org/images/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/free-robux-now_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/links-to-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://pwpyemen.org/images/daily-free-spin-link-in-coin-master_GM406889139.pdfIn PDF document text
    • http://pwpyemen.org/images/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/free-minecraft-domain_GM479516143.pdfIn PDF document text
    • http://pwpyemen.org/images/free-robux-ad_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/how-do-you-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/roblox-free-download_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000049fd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49FD 25416 bytes
SHA-256: 7441d360b9177e95705f60da90d33e13171ab9fa84c92598effd93a57aa68698
font_01_sfnt_off00008581.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8581 3888 bytes
SHA-256: fe1333121b41ea4f23b8baf2ec3b2a01158006d29f7bbdb38dc5f8a3031af8b2
font_02_sfnt_off00009298.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9298 18836 bytes
SHA-256: 10108fc4d754c0fb1f8ead0e24b5a94317ce5a25005e69ba196e7248b5abef1a

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