Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d29ce06babf10b4…

MALICIOUS

PDF

34.5 KB Created: 2021-06-29 02:54:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-25
MD5: 6a0a1c6ff6dccd48e165cd933d31a895 SHA-1: 0ac1d05a355b95f4923d834252b64c32515d6287 SHA-256: 1d29ce06babf10b4dac317e55ccb61d75e08497ed8c3c55b88d55732c390eda9
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links and document body text promoting free Robux and Coin Master hacks, which is a common lure for phishing or malware distribution. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' specifically flags a link pointing to known malicious infrastructure, indicating a high likelihood of malicious intent. While no scripts were explicitly extracted, the document's structure and embedded URLs strongly suggest it's designed to redirect users to malicious sites.

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/flob.fun-robux-gnrateur-free-robux-game-hack In PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/redeem-roblox-virtual-item-free-codes-2021_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/how-to-get-5-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/coin-master-hack-apk-2021_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/gamekit-800-free-robux_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/coin-master-play-online-free_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/how-to-get-free-bc-tbc-or-obc-on-roblox_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/free-apk-mod-coin-master_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/coin-master-on-facebook_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/free-robux-scam-copy-and-paste_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/how-to-get-free-followers-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/how-to-use-wurst_GM479516143.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/moon-active_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/btools-script-roblox-hack_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/minecraft-login-free_GM479516143.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/xray-hack_GM479516143.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_off000031bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31BF 21872 bytes
SHA-256: afca34ca54ce5b1b7fae02ee52f2a7eaa1e282460a5bf06bc8025d3e99de262c
font_01_sfnt_off00006212.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6212 18960 bytes
SHA-256: fdf2068efd306c894f9242716f110145404119d6bc97f1983af6b5053fd87dba

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