Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0d3737c84cbea4c…

MALICIOUS

PDF

35.6 KB Created: 2021-06-20 00:35:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 46882f7d22ea80b03958a9521afb2b28 SHA-1: 56331ab71fab377dd7a75ef83fc5b76918b14627 SHA-256: a0d3737c84cbea4cbdf03a015b831224467c0c31e563a17306ea91b0219f2670
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains a large number of external links, many of which point to resources related to game hacks and cheats. The document's content and the presence of numerous URLs suggest an attempt to direct users to malicious websites, likely for downloading further malware or engaging in phishing activities. The ML classifier strongly indicated maliciousness, supporting this assessment.

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.co/app/431946152/boxing-simulator-roblox-infinite-strenght-hack-game-hack PDF link annotation
    • http://repository.ummy.ac.id//repository/tiktok-free-view-300_GM835599320.pdfIn PDF document text
    • http://repository.ummy.ac.id//repository/get-free-robux-info_GM431946152.pdfIn PDF document text
    • http://repository.ummy.ac.id/repository/roblox-prison-life-hack-pastebin_GM431946152.pdfIn PDF document text
    • http://repository.ummy.ac.id/repository/how-to-reach-hacks-in-sf-roblox_GM431946152.pdfIn PDF document text
    • http://repository.ummy.ac.id//repository/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://repository.ummy.ac.id//repository/how-to-hack-coin-master-root_GM406889139.pdfIn PDF document text
    • http://repository.ummy.ac.id/repository/roblox-ninja-legends-mobile-hack_GM431946152.pdfIn PDF document text
    • http://repository.ummy.ac.id/repository/free-robux-easy-robux-today_GM431946152.pdfIn PDF document text
    • http://repository.ummy.ac.id//repository/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://repository.ummy.ac.id/repository/how-to-get-a-free-radio-on-roblox_GM431946152.pdfIn PDF document text
    • http://repository.ummy.ac.id//repository/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
    • http://repository.ummy.ac.id/repository/speed-city-hacks-roblox_GM431946152.pdfIn PDF document text
    • http://repository.ummy.ac.id/repository/cheat-fr-roblox_GM431946152.pdfIn PDF document text
    • http://repository.ummy.ac.id//repository/how-to-use-wurst_GM479516143.pdfIn PDF document text
    • http://repository.ummy.ac.id//repository/coin-master-free-spins-link-iphone_GM406889139.pdfIn PDF document text
    • http://repository.ummy.ac.id//repository/coin-master-links-2021_GM406889139.pdfIn PDF document text
    • http://repository.ummy.ac.id//repository/tiktok-where-to-watch-free-movies_GM835599320.pdfIn PDF document text
    • http://repository.ummy.ac.id//repository/minecraft-free-no-download_GM479516143.pdfIn PDF document text
    • http://repository.ummy.ac.id//repository/hack-coin-master-1_GM406889139.pdfIn PDF document text
    • http://repository.ummy.ac.id//repository/how-to-hack-peoples-roblox-accounts_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_off00003202.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3202 22892 bytes
SHA-256: 3d112b2fc6b54352e1cc08bce29c1e8aa7c0a10c136d6f1e7294642145760d75
font_01_sfnt_off0000650e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x650E 19444 bytes
SHA-256: 545b6da0118570b9eaf5f98d6fa91949aeb9378d42c1538a3adbd8ea0b02d9c1

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