Malicious PDF — malware analysis report

Static analysis result for SHA-256 2bc0f45441b29538…

MALICIOUS

PDF

33.7 KB Created: 2021-05-10 10:02:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02
MD5: b7ef1cf9c0bfef2fc6fa51ce2eed11cd SHA-1: 805cc3436640c8ca54be9a26375521b766935b66 SHA-256: 2bc0f45441b29538a4aaf8362c67c0f61940ff32fea31aaaf9b934193a0e5e3b
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded text and a prominent call-to-action to 'CLICK HERE TO ACCESS ROBLOX GENERATOR', which is a common lure for phishing or malware distribution. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms that the embedded URL, https://netcdn.xyz/app/431946152/robloxmatch.com-free-robux-game-hack, leads to known malicious infrastructure. While no scripts were explicitly extracted, the nature of the lure and the malicious redirector strongly suggest an attempt to deliver a secondary payload or phish credentials.

Machine Learning

  • Nyx PDF Classifier clean score 0.0718

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/431946152/robloxmatch.com-free-robux-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 6

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
stream_002_off00002a3a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A3A 24480 bytes
SHA-256: d03ebc414e60fe74dc8d70bdb457d927b1bcce5578ee45c70e76e6810f8d6fba
font_01_sfnt_off00006268.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6268 18284 bytes
SHA-256: 2e12f820cc814c6592f5ede998b0f419d7968c6d720d0fd868831ccf71926cec

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