Malicious PDF — malware analysis report

Static analysis result for SHA-256 7919ece279413487…

MALICIOUS

PDF

35.5 KB Created: 2021-06-28 03:08:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-22
MD5: b5f094b15f8ae08b5c59153fd9d57df3 SHA-1: 05bb162ff5200420fa30112b25450204f59deb84 SHA-256: 7919ece279413487208f3af2a95b18f569594a171f5c8f6d66f1bb8701f5c2e3
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites advertising game hacks and cheats, with one link identified as a malicious redirector. The presence of a visual download button and the overall theme suggest a phishing or malware distribution attempt. Although no scripts were extracted, the document's structure and embedded URLs strongly indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/increible-hack-robux-pastebin.com-80b1sjzp-game-hack In PDF document text
    • http://cintabaca.org/katalog/repository/rpg-simulator-hack-roblox_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/roblox-hack-noclip-download_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog//repository/roblox-hack-game_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/roblox-exploit-download_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog//repository/coin-master-apk-mod-free-download_GM406889139.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/codes-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/coin-master-gift-hack_GM406889139.pdfIn PDF document text
    • http://cintabaca.org/katalog//repository/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/get-free-robux-and-tix-no-survey_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/free-robux-instantly_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/best-free-roblox-outfits_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/free-robux-code-generator-dangerous_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/boku-no-roblox-remastered-hack-chose-quirks_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/how-to-get-free-bc-on-roblox-mobile_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/how-to-hack-on-roblox-saber-wars_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/free-coin-master-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://cintabaca.org/katalog//repository/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/how-cn-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/free-roblox-soldier-gfx-ww2_GM431946152.pdfIn PDF document text
    • http://cintabaca.org/katalog/repository/coin-master-hack-tool-2021_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
stream_002_off00003019.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3019 22284 bytes
SHA-256: 6274ebddc9839e49226bcd07e203a599b8e4edc39418823deddb2bba1d2cc3cf
font_01_sfnt_off000061a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61A5 20436 bytes
SHA-256: 53ab3f7dbde4c5464c3c24ecb782f977df7bf0c2fed5602ea91c939716ac77a3

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