Malicious PDF — malware analysis report

Static analysis result for SHA-256 746e2f37b3826273…

MALICIOUS

PDF

42.7 KB Created: 2021-05-17 08:06:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 2a58d0f9544caee66e71d45b3d450740 SHA-1: ac9c4afd7487206737becfef2afee335284ca9d2 SHA-256: 746e2f37b3826273b77b591344e9eeff52114ee80b47cb48be9be3d7211ba67a
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded URIs and clickable links, many pointing to IP addresses, that are designed to trick users into downloading further malicious content. The document body and extracted URLs suggest a lure related to free game items or accounts, a common phishing tactic. The ML classifier strongly indicated maliciousness, supporting the conclusion that this document is part of a malicious distribution chain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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/479516143/free-mojang-account-with-minecraft-game-hack PDF link annotation
    • http://118.174.0.244/UserFiles/File/moonactive-free-spins_GM406889139.pdfPDF link annotation
    • http://118.174.0.244/UserFiles/File/coin-master-website_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/coin-master-hack-spins_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/how-to-get-more-robux-for-free_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/how-can-i-get-free-coinsn-coin-master_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/hack-coin-master-spin_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/coin-master-hack-dot-xyz_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/moon-active-games_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/how-to-get-java-minecraft-free_GM479516143.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/free-minecraft-maps_GM479516143.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/coin-master-free-box_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/get-free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/coin-master-cheat-free_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/coin-master-gameplay_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/coin-master-game-free-download_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/free-robux-android_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/free-robux-promo-codes-2021_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_003_off00004b4c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B4C 24632 bytes
SHA-256: 96065be780fa46c129e92af76957769ad5b930b239d37016c1335bc8cc604fc3
font_01_sfnt_off00008352.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8352 18688 bytes
SHA-256: 60143c81e88e14cdfb7631f3b4f61d617c046054e7601d01d98adb150323207f

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