Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ad7a623a5d7065c…

MALICIOUS

PDF

33.8 KB Created: 2021-06-19 14:47:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: d87f68b336cf4a507dba2194edc159d7 SHA-1: c613bf213dffe52d103445de5445345c6466793e SHA-256: 0ad7a623a5d7065c8294dda2910ebab77bffbb1ebb6024f4085414761df9ccf1
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a document body that advertises game hacks and cheats, aiming to trick users into downloading further malicious content. The ML classifier strongly indicated maliciousness, and the presence of multiple external URIs, including one pointing to a raw IP address, supports a phishing or malware distribution scheme. 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/hack-roblox-jailbreak-2021-new-game-hack PDF link annotation
    • http://118.174.0.244/UserFiles/File/free-robux-gen_GM431946152.pdfPDF link annotation
    • http://118.174.0.244/UserFiles/File/coin-master-el-tiger-card-free_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/roblox-free-clothes-hack_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/coin-master-free-cards_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/free-robux-no-hack-or-download_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/arcade-tycoon-roblox-hack_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/farming-simulator-hacks-roblox_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/how-to-sell-items-for-free-on-roblox_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/free-robux-now_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/get-me-free-robux_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/coin-master-gold-cards-hack-2021_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/free-robux-now-com_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/roblox-vehicul-simulator-hacke_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/code-pin-free-roblox_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/fan-page-coin-master_GM406889139.pdfIn PDF document text
    • http://118.174.0.244/UserFiles/File/blox-supply-free-robux_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
font_00_sfnt_off00002cc7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC7 22028 bytes
SHA-256: b72b69be6b8c72f80670d14de80199130cb3b932d67e0a39396fb56417d11599
font_01_sfnt_off00005d82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D82 19508 bytes
SHA-256: 0a608c8ceb7087a1b81597d1909f9aeb6c4b9d65e0ebd58ee70241e9a95b6418

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