PDF static analysis report

Static analysis result for SHA-256 f9509854e62cd8b9…

SUSPICIOUS

PDF

31.5 KB Created: 2021-07-19 01:29:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 85d791ee50179e866bb52690957bb87e SHA-1: 593334e5e7ee6d77934463847936ea35aebc1fd8 SHA-256: f9509854e62cd8b989e88bbe9c56b05eb43fe3d47847dc2d39b8b958ab25f2fc
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that lead to websites promising free in-game currency or social media followers, indicative of a phishing or scam lure. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of external URIs and the document's content suggest an attempt to redirect the user to a malicious website, likely for credential harvesting or to deliver further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9432

Heuristics 3

  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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.tw/app/835599320/free-tiktok-accounts-with-followers-game-hack PDF link annotation
    • http://danielkleiboemer.de/images/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://danielkleiboemer.de/images/is-minecraft-free_GM479516143.pdfIn PDF document text
    • http://danielkleiboemer.de/images/minecraft-free-apk_GM479516143.pdfIn PDF document text
    • http://danielkleiboemer.de/images/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://danielkleiboemer.de/images/free-robux-group_GM431946152.pdfIn PDF document text
    • http://danielkleiboemer.de/images/free-tiktok-views_GM835599320.pdfIn PDF document text
    • http://danielkleiboemer.de/images/minecraft-windows-10-edition-free_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002788.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2788 22432 bytes
SHA-256: 91eec0fa45f757624f43e7255865a163d44d519dc9796a1aadbd57c3351d93e7
font_01_sfnt_off000059c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59C1 18200 bytes
SHA-256: 00ff3188f7c2cc6f3bb1e48311a72fd536e799d3f1f3caf1b59355958851fd7e

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