Malicious PDF — malware analysis report

Static analysis result for SHA-256 8972313e81ceb545…

MALICIOUS

PDF

37.8 KB Created: 2021-05-20 13:38:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 3653e2b21597cf22b172293ad6f02eac SHA-1: f0c3c40bd6d7126a8d57c974540711ec1ed74c51 SHA-256: 8972313e81ceb545fd36385a32ecf5a78e1d651bf125465d6070fbbce17c9dbb
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to URLs hosting what appears to be malicious software, disguised as game cheats or generators. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms the redirection to known malicious infrastructure. The document body and embedded links suggest a social engineering lure to trick users into downloading potentially harmful files.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9407

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/479516143/minecraft-1.8-9-hacked-client-game-hack In PDF document text
    • http://www.emotional-training.com/storage/editor/files/coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/games-that-can-be-hacked_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/robux-link_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
stream_002_off00003596.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3596 26984 bytes
SHA-256: 4e09183c108e22fcbdecdbf1dc60222578e585715c45ea37a6c13a752d4f3b62
font_01_sfnt_off00007205.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7205 18532 bytes
SHA-256: 397fe146c4cb21b8fa0568cb6b824f44c66529b57f9939d7b0b2fcb40fe95c7f

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