Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7335d75232d7d8a…

MALICIOUS

PDF

37.3 KB Created: 2021-05-22 03:10:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 84ab8ce8cf39b686e87a2ef1867c63b3 SHA-1: 2a8b65003fbffb3a52fa7cdf5698850b80fbd548 SHA-256: a7335d75232d7d8a44e4826ef0d2bbaba3849e32e7a83683075e57b730c33605
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links and a visible 'Click here to download' call-to-action, strongly suggesting a phishing or social engineering attempt to trick the user into downloading a malicious file. The ML classifier and redirector link heuristic further support its malicious nature. The document body and extracted URLs indicate a lure related to game downloads, likely leading to malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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-apk-download-v1-14.4-2-free-game-hack In PDF document text
    • http://parafia-nspj-lebork.pl/images/roblox-images_GM431946152.pdfIn PDF document text
    • http://parafia-nspj-lebork.pl/images/roblox-free-rubox_GM431946152.pdfIn PDF document text
    • http://parafia-nspj-lebork.pl/images/minecraft-bedrock-free_GM479516143.pdfIn PDF document text
    • http://parafia-nspj-lebork.pl/images/free-roblox-adopt-me-accounts_GM431946152.pdfIn PDF document text
    • http://parafia-nspj-lebork.pl/images/coin-master-daily-free-spin-and-coin_GM406889139.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_off0000348f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x348F 25208 bytes
SHA-256: 1961ff10d191e39eab91bb5a5d5a560a8b6e2728d97335d6b4bdf461f054ab36
font_01_sfnt_off00006dfc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DFC 19128 bytes
SHA-256: 93ea6bd85251d95bb8fdb3e1515e0b836a385cc2448c0aeb3adc981293f46b66

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