Malicious PDF — malware analysis report

Static analysis result for SHA-256 6eaeebc3dd1202e1…

MALICIOUS

PDF

34.7 KB Created: 2021-06-29 14:58:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 58e469377f67c20be1498c2eea83dcc4 SHA-1: 720dae1d9536c97fcbbdb4e965dff36688af7164 SHA-256: 6eaeebc3dd1202e18d6f5a81327f4364c063ff23cc48f197ff22af2fb0b46562
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a document body that advertises 'free Robux' and game hacks, indicating a social engineering lure. The ML classifier strongly flagged this PDF as malicious, and heuristics identified external URIs and a URI pointing to a raw IP address, suggesting the document is designed to redirect users to malicious sites for downloading malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-robux-method-that-still-works-game-hack PDF link annotation
    • http://183.91.70.11/repository/progaming-hacks-com-roblox_GM431946152.pdfPDF link annotation
    • http://183.91.70.11/repository/free-unlimited-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://183.91.70.11/repository/free-roblox-users-with-robux-live_GM431946152.pdfIn PDF document text
    • http://183.91.70.11/repository/hacker-cloths-on-roblox_GM431946152.pdfIn PDF document text
    • http://183.91.70.11/repository/how-to-hack-roblox-accounts-with-cheat-engine-2021_GM431946152.pdfIn PDF document text
    • http://183.91.70.11/repository/roblox-would-you-like-to-take-a-free-sign_GM431946152.pdfIn PDF document text
    • http://183.91.70.11/repository/coin-master-free-online_GM406889139.pdfIn PDF document text
    • http://183.91.70.11/repository/hack-mod-roblox-apk_GM431946152.pdfIn PDF document text
    • http://183.91.70.11/repository/roblox-hacks-2021-cheats-explosits_GM431946152.pdfIn PDF document text
    • http://183.91.70.11/repository/collect-free-spin-linms-coin-master_GM406889139.pdfIn PDF document text
    • http://183.91.70.11/repository/roblox-bloxburg-money-cheats_GM431946152.pdfIn PDF document text
    • http://183.91.70.11/repository/coin-master-spin-link-2021_GM406889139.pdfIn PDF document text
    • http://183.91.70.11/repository/roblox-free-robux-and-tix_GM431946152.pdfIn PDF document text
    • http://183.91.70.11/repository/can-you-play-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://183.91.70.11/repository/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • http://183.91.70.11/repository/blox-world-free-robux_GM431946152.pdfIn PDF document text
    • http://183.91.70.11/repository/how-to-get-free-robux-2021-link_GM431946152.pdfIn PDF document text
    • http://183.91.70.11/repository/free-robux-no-verification-required_GM431946152.pdfIn PDF document text
    • http://183.91.70.11/repository/how-to-cheat-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://183.91.70.11/repository/how-to-hack-coin-master-android_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_off00002fbb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FBB 21872 bytes
SHA-256: 5dc182cef737635ea915dde6f77b74f7a69337b57e4e091abb77ffcc7d256e2b
font_01_sfnt_off00006028.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6028 19920 bytes
SHA-256: e104b1668e5cfdb61ea8d94095e6d58a14652bad23fca3f1e8bddeb24b782487

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