Malicious PDF — malware analysis report

Static analysis result for SHA-256 03286222fad41965…

MALICIOUS

PDF

36.6 KB Created: 2021-07-09 23:02:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 985c067fca780f1411826efe90812e81 SHA-1: 1ad70cebc69ed01859a700e167cc37b82a528386 SHA-256: 03286222fad41965196e9939ea6ccf8eee258f3ccbe4a296b3e5c9cc7a4c7fdd
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous embedded links, identified as a 'PDF_SEO_LINK_FARM' heuristic, directing users to external sites. The document body, though partially corrupted, contains text related to 'Free Spins And Coins' and a URL that further suggests a lure for potentially malicious content or scams. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/406889139/free-spins-and-coins-com-game-hack
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coinmasterdailyfreespins-com_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-daily-free-spins-link-today-blogspot_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-coin-master-spins-hack_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/who-hacked-my-main-group-chat-roblox_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-spins-coin-master-links_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/minecraft-fly-hack_GM479516143.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-viking-quest-hack_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-free-coins-link-march-2021_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/minecraft-client-download_GM479516143.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-spin-link-for-coin-master_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/easy-robux-hack_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-free-spins-cheat-deutsch_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/hacked-roblox-game_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/online-free-robux-generator_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-free-spin-links-december-30-2021_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-free-cards-2021_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-hack-spins-and-coins-unlimited-free_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/give-me-free-robux_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/daily-free-spins-for-coin-master_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000035eb.bin
dbe746dad9ea0329e787b8b9ac00583f9afbe01607ad1d766162a8f4c2079dfe
pdf-font-stream PDF embedded font (sfnt) at offset 0x35EB 23760 bytes
font_01_sfnt_off00006c0a.bin
1fd8ebdda92b297a515e174869cd147c0798f4867b2b88ca6af1ff2f07f5dfbe
pdf-font-stream PDF embedded font (sfnt) at offset 0x6C0A 18504 bytes