Malicious PDF — malware analysis report

Static analysis result for SHA-256 80fc34f50af4c161…

MALICIOUS

PDF

42.2 KB Created: 2021-05-12 17:05:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c9463f1a18e0099d70e4da2bb79e08e8 SHA-1: e74e8688026573d8deaff32fd2e20cb477eab661 SHA-256: 80fc34f50af4c161b6b90f9a6fe7137029e8f5e3b2704e829376afc02d66835d
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, many of which are part of a link farm strategy, as indicated by the PDF_SEO_LINK_FARM heuristic. The primary URL points to a resource related to 'impact minecraft hack', suggesting a lure for game-related cheats or exploits. The ML classifier also strongly flagged this PDF as malicious. The presence of a 'download button' heuristic further supports the idea that the document is designed to trick users into clicking links that likely lead to malicious downloads or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/impact-minecraft-hack-game-hack PDF link annotation
    • https://www.shin.ge/images/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/free-spin-and-win-coin-master_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/best-way-to-get-robux_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/websites-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/100-free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/roblox-report-hacker_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/coin-master-hack-tool-v1-9-download-free-pc_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/robux-free-2021_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/robux-free-online_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/how-to-really-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/roblox-e-free_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/how-to-get-free-stuff-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/free-robux-on-iphone_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/get-robux-today_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/coin-master-hack-version-2021-download_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/minecraft-noob-vs-pro-vs-hacker-vs-god_GM479516143.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000049ca.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49CA 25644 bytes
SHA-256: 477d93c1135170681884c07628412cac4e848777722b7c14d84afb06739c9165
font_01_sfnt_off00008313.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8313 18176 bytes
SHA-256: 4ec6fbeaa9c4b8efbf5eed2e56ed066a905f0fc0b9a0fde00f1b29c5988004b9

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