Malicious PDF — malware analysis report

Static analysis result for SHA-256 461f9a3f7c4bd80c…

MALICIOUS

PDF

45.1 KB Created: 2021-06-04 00:20:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 82380131f2a622fbbb7c807704ab1d0a SHA-1: 1892fcb9d0c7243a2f128c1f2cf01b8c44312760 SHA-256: 461f9a3f7c4bd80c07eb6d0a7494bcf94744eb57a17a56a7eda45472bb607081
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains a large number of embedded links, many of which point to external PDF files hosted on potentially malicious domains. The document body and heuristics suggest a lure for free game accounts or hacks, indicating a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.online/app/479516143/minecraft-bedrock-free-game-hack
    • http://abdinusababellibrary.ac.id//repository/free-minecraft-java-edition-account_GM479516143.pdf
    • http://abdinusababellibrary.ac.id//repository/free-roblox-accounts-2021-with-robux_GM431946152.pdf
    • http://abdinusababellibrary.ac.id//repository/free-robux-com-2021_GM431946152.pdf
    • http://abdinusababellibrary.ac.id//repository/how-to-get-minecraft-windows-10-for-free_GM479516143.pdf
    • http://abdinusababellibrary.ac.id//repository/coin-master-free-coins-facebook_GM406889139.pdf
    • http://abdinusababellibrary.ac.id//repository/free-minecraft-accounts-2021_GM479516143.pdf
    • http://abdinusababellibrary.ac.id//repository/pokemon-go-free-km_GM1094591345.pdf
    • http://abdinusababellibrary.ac.id//repository/free-coins-coin-master-daily_GM406889139.pdf
    • http://abdinusababellibrary.ac.id//repository/coin-master-fun-hack_GM406889139.pdf
    • http://abdinusababellibrary.ac.id//repository/coin-master-free-spins-blogspot_GM406889139.pdf
    • http://abdinusababellibrary.ac.id//repository/minecraft-hacks-pc_GM479516143.pdf
    • http://abdinusababellibrary.ac.id/repository/coin-master-daily-free-spins-link-app_GM406889139.pdf
    • http://abdinusababellibrary.ac.id//repository/coin-master-cards-for-free_GM406889139.pdf
    • http://abdinusababellibrary.ac.id/repository/free-coins-and-spins-coin-master_GM406889139.pdf
    • http://abdinusababellibrary.ac.id//repository/get-coin-master-free-spin_GM406889139.pdf
    • http://abdinusababellibrary.ac.id//repository/how-to-get-free-robux-without-downloading-apps_GM431946152.pdf
    • http://abdinusababellibrary.ac.id//repository/how-to-get-free-robux-2021-easy_GM431946152.pdf
    • http://abdinusababellibrary.ac.id//repository/coin-master-free-gold-cards-link-2021ee-spins_GM406889139.pdf
    • http://abdinusababellibrary.ac.id//repository/my-roblox-avatar_GM431946152.pdf
    • http://abdinusababellibrary.ac.id//repository/roblox-rewards_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000556b.bin
0cdba7bcbc9c877836e88212ac8fc372e25f56c10571d052ea489f79da60d38d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x556B 25224 bytes
font_01_sfnt_off00008dcb.bin
421dc37018d5e6f1467ffbccbacebf5894202cb157ac672e86022266516fa266		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DCB 18268 bytes

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