Malicious PDF — malware analysis report

Static analysis result for SHA-256 932fdfcafb05aa19…

MALICIOUS

PDF

34.5 KB Created: 2021-06-19 02:25:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: dcd57744f4e9d55e2b9d364d0d853d51 SHA-1: 79fe91b08418b224328175443619ea63c6f5eb86 SHA-256: 932fdfcafb05aa19a4b5ce0f26e81b7d3975d3a755dfc525a7eb3400dbbbb53d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains lures for game hacks and free currency, specifically mentioning 'Free Robux' and linking to a suspicious URL. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs further supports a phishing or scam attempt. The document body and embedded URLs indicate a social engineering tactic to trick users into visiting a potentially harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/how-to-get-free-robux-ferbuary2021-game-hack PDF link annotation
    • https://library.stikeswnpalu.ac.id/repository/how-to-get-a-free-t-shirt-in-roblox_GM431946152.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/rbx-com_GM431946152.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/coin-master-free-coins-facebook_GM406889139.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/hack-on-ulitimate-driving-roblox_GM431946152.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/how-to-get-free-coins-on-tiktok_GM835599320.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/coin-master-hack-tool-no-survey_GM406889139.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/framed-roblox-hack_GM431946152.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/hang-hack-for-roblox_GM431946152.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/how-to-get-free-roblox-hair_GM431946152.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/free-robux-group-funds-website_GM431946152.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/coin-master-free-spin-link-app_GM406889139.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/minecraft-pocket-edition-free-download_GM479516143.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/haktuts-coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/can-pokemon-go-free-pokeballs_GM1094591345.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/diamond-hacker-roblox_GM431946152.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/coin-master-hack-pc_GM406889139.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/free-coin-master-gift-link_GM406889139.pdfIn PDF document text
    • https://library.stikeswnpalu.ac.id/repository/free-supreme-shirt-on-roblox_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_off00002ea8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EA8 22208 bytes
SHA-256: 21ac03e231d523d8fc12dd7ec14b0ee1cebe499dbc987de256d69158b822d799
font_01_sfnt_off00005ff6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FF6 19568 bytes
SHA-256: dbdb4d4ebe0325a291eb89eeefbd264e0bf1772ebc33af77daf8dc64bdfe3621

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