Malicious PDF — malware analysis report

Static analysis result for SHA-256 072ffa320f6f4cf6…

MALICIOUS

PDF

44.2 KB Created: 2021-05-12 03:35:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 26c0ee4dfec0e9469fce5392d65ef715 SHA-1: 9e397a27b6c48109118441030342d3e86499a2d9 SHA-256: 072ffa320f6f4cf65a234960bc5284c252d05d7530684f48173d61e223193e63
142 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains a large number of external links, many of which are SEO-optimized and point to pages offering free game items or hacks. The document body itself contains a link to 'how-to-get-minecraft-bedrock-edition-for-free-game-hack', suggesting a lure to a malicious website. The 'ClickFix' heuristic indicates the document may attempt to trick users into executing commands, further supporting a social engineering attack. No scripts were extracted, but the overall pattern suggests a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9976

Heuristics 5

  • 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.
  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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/how-to-get-minecraft-bedrock-edition-for-free-game-hack
    • http://eurocomes.com/images/how-to-get-free-cards-in-coin-master_GM406889139.pdf
    • http://eurocomes.com/images/coin-master-free-online-game_GM406889139.pdf
    • http://eurocomes.com/images/coin-master-daily-free-coins-link-today_GM406889139.pdf
    • http://eurocomes.com/images/free-minecraft-account-and-password_GM479516143.pdf
    • http://eurocomes.com/images/rbx-free-robux_GM431946152.pdf
    • http://eurocomes.com/images/coin-master-free-cards-hack_GM406889139.pdf
    • http://eurocomes.com/images/how-to-get-free-robux-easy-hack_GM431946152.pdf
    • http://eurocomes.com/images/get-free-coin-master-coins_GM406889139.pdf
    • http://eurocomes.com/images/coin-master-free-daily-spins-2021_GM406889139.pdf
    • http://eurocomes.com/images/coin-master-haktuts_GM406889139.pdf
    • http://eurocomes.com/images/free-robux-no-human-verification-2021_GM431946152.pdf
    • http://eurocomes.com/images/coin-master-free-spins-cheat_GM406889139.pdf
    • http://eurocomes.com/images/free-coin-master-hacks-no-verification_GM406889139.pdf
    • http://eurocomes.com/images/minecraft-for-macbook-free_GM479516143.pdf
    • http://eurocomes.com/images/coin-master-free-spin-and-coin-link-today_GM406889139.pdf
    • http://eurocomes.com/images/real-working-coin-master-hack_GM406889139.pdf
    • http://eurocomes.com/images/is-there-any-way-to-get-free-robux_GM431946152.pdf
    • http://eurocomes.com/images/free-coin-and-spin-in-coin-master_GM406889139.pdf
    • http://eurocomes.com/images/install-coin-master_GM406889139.pdf
    • http://eurocomes.com/images/minecraft-bedrock-edition-download-pc-free_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004da2.bin
50f5c31d352c8ae901f318c785820d323faac7be6f1c43b99b57a096176b4950		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4DA2 26268 bytes
font_01_sfnt_off00008a04.bin
3a0999d30397def23c47b5d80e97d9b0f28df4cbffb45a09cf4ec0f6b7597619		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A04 18436 bytes

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