Malicious PDF — malware analysis report

Static analysis result for SHA-256 148584d13bd01b34…

MALICIOUS

PDF

33.9 KB Created: 2021-06-29 23:24:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 47272ea21864ebbda1987f44c947a4d3 SHA-1: c401def4cd675e7400e44dd1e1c05d31548d2250 SHA-256: 148584d13bd01b34a0e2f33dfcc4b5b8c6cadeb7ed41e23d0bd8bce622c471ee
102 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs and a document body that promotes free generators for in-game currency and accounts, indicative of a phishing or scam attempt. The heuristic firings, particularly the PDF_SEO_LINK_FARM and ML_NYX_PDF_MALICIOUS, strongly suggest malicious intent. The document likely serves as a lure to direct users to external sites that may host malware or further phishing content.

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/free-roblox-account-generator-old-accounts-game-hack PDF link annotation
    • http://daskrimti-jabar.web.id/library/repository/free-robux-generator-for-ipad_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library//repository/coin-master-hack-version-download-ios_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/all-of-the-hairs-that-are-for-free-on-roblox_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/coin-master-app-hack_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/coin-master-free-spins-hack-without-human-verification_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/roblox-booga-booga-hack-download-2021_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library//repository/coin-master-free-mighty-lion-card_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/raindrop-hack-for-roblox_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/a-friendly-guest-hacker-on-roblox_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/how-to-see-roblox-shirts-for-free_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library//repository/robux-in_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/roblox-fly-hack_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/how-to-hack-granny-in-roblox_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/roblox-hack-no-download-gui_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library//repository/free-robux-website_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library//repository/haktuts-coin-master-free-spin-link-today_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/free-stuff-in-roblox-2021_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/app-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/robux-free-100-real_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/fb-coin-master-hack_GM406889139.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_off00002fd2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FD2 21552 bytes
SHA-256: a75989daa6a228b782020af4e809463386f0037b9d0cf9ee02cf48b89f262d70
font_01_sfnt_off00005f35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F35 19068 bytes
SHA-256: 25a9fad87c6900432857f214adac6836d4e8c5ec64371b5a457d4eaa8081b984

Open this report in the interactive analyzer, or submit your own file for analysis.