Malicious PDF — malware analysis report

Static analysis result for SHA-256 6addbaa80be65cd3…

MALICIOUS

PDF

43.6 KB Created: 2021-06-06 23:40:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: 1a878bade53a52e95a88ef3ce314180b SHA-1: 53955605c6df487403219ba1f6c3dc7c8c1240b4 SHA-256: 6addbaa80be65cd31ca9819e374e4fa349a36b669ef7aca2c61d5198029d7d37
100 Risk Score

Malware Insights

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

The PDF contains embedded links and text that lure users with promises of game hacks and free currency, directing them to malicious infrastructure. The ML classifier and critical heuristic confirm the malicious nature of the PDF, indicating it's designed to redirect users to potentially harmful content or initiate further downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.tw/app/431946152/how-to-hack-roblox-hacks.-game-hack In PDF document text
    • http://fccsms.com/images/free-robux-mod_GM431946152.pdfIn PDF document text
    • http://fccsms.com/images/coin-master-free-spins-facebook_GM406889139.pdfIn PDF document text
    • http://fccsms.com/images/minecraft-online-free-no-download_GM479516143.pdfIn PDF document text
    • http://fccsms.com/images/coin-master-daily-free-spins-link-today-2021_GM406889139.pdfIn PDF document text
    • http://fccsms.com/images/minecraft-free-unblocked_GM479516143.pdfIn PDF document text
    • http://fccsms.com/images/how-to-make-your-own-minecraft-pe-server-for-free_GM479516143.pdfIn PDF document text
    • http://fccsms.com/images/hack-coin-master-apk-31_GM406889139.pdfIn PDF document text
    • http://fccsms.com/images/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://fccsms.com/images/is-minecraft-dungeons-free_GM479516143.pdfIn PDF document text
    • http://fccsms.com/images/coin-master-game-android-free-download_GM406889139.pdfIn PDF document text
    • http://fccsms.com/images/i-need-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://fccsms.com/images/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
    • http://fccsms.com/images/free-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • http://fccsms.com/images/online-coin-master-hack-here_GM406889139.pdfIn PDF document text
    • http://fccsms.com/images/coin-master-hack-online-without-human-verification_GM406889139.pdfIn PDF document text
    • http://fccsms.com/images/free-robux-group_GM431946152.pdfIn PDF document text
    • http://fccsms.com/images/get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://fccsms.com/images/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
    • http://fccsms.com/images/free-account-roblox-2021_GM431946152.pdfIn PDF document text
    • http://fccsms.com/images/free-minecraft-skins_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F30 24392 bytes
SHA-256: d4c01081f633b1f0136b000370202a9d0a4b77c81c6a1bb3c36053ffee5ad325
font_01_sfnt_off00008732.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8732 18412 bytes
SHA-256: 89a9aa5f95486fc734fc0a602dba5d30b07f45cb80622d1988b232e3fc0d6d4c

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