PDF static analysis report

Static analysis result for SHA-256 3865fa28736f9e29…

SUSPICIOUS

PDF

41.7 KB Created: 2021-05-21 03:14:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 52bfb0bcb01c08744d9ee3c788a42903 SHA-1: 773f88bf0a70c3f02a47848ea5dfa134879727e2 SHA-256: 3865fa28736f9e29b105d76910d59746462c865c5fa839d4635bf712c945b8e9
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent call to action for a "Free Robux" generator, strongly suggesting a phishing or scam attempt. The ML classifier also flagged the PDF as malicious. While no scripts were explicitly extracted, the presence of external URIs and the overall lure indicate an attempt to redirect the user to a malicious site, likely to download a payload or engage in further fraudulent activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8120

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 https://netcdn.xyz/app/431946152/free-robux-place-game-hack PDF link annotation
    • https://www.acacss.com/images/minecraft-windows-10-hack-client-2021_GM479516143.pdfIn PDF document text
    • https://www.acacss.com/images/roblox-hack-scripts-pastebin_GM431946152.pdfIn PDF document text
    • https://www.acacss.com/images/minecraft-pe-free-download-ios_GM479516143.pdfIn PDF document text
    • https://www.acacss.com/images/free-spins-coin-master-links-blogspot_GM406889139.pdfIn PDF document text
    • https://www.acacss.com/images/free-spin-and-coin_GM406889139.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003031.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3031 29540 bytes
SHA-256: 651d3d2167a3b37ee73b89c00f6da46f1e9740e3ebc290eb67a15c792c9ed2a0
font_01_sfnt_off00007438.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7438 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off0000814a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x814A 18472 bytes
SHA-256: a8315d3de564ce67f995c8887965c7d9f34366905f839248eafe88b792a59691

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