Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e03cb97144b9afe…

MALICIOUS

PDF

34.0 KB Created: 2021-07-05 17:55:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: dafd69ba836e6d672ee249a7c33ad99d SHA-1: 10361e524dae42c3694903fcc308b2cc7f22a354 SHA-256: 6e03cb97144b9afe615431fff3f95aa5e82fc770de03031bd6d895e3f9ddaa33
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a large number of external links, many of which are disguised as links to game-related resources like 'free robux' or 'coin master hacks'. The document body and extracted URLs strongly suggest a scam designed to lure users to malicious websites. The presence of numerous PDF links and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful 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.tw/app/431946152/how-to-get-free-roblox-in-2021-game-hack PDF link annotation
    • http://slims.abulyatama.ac.id/repository/minecraft-free-download-android-apk_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/cheat-roblox-lumber-tyccon-fly_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-hack-free-download-no-virus_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-hack-tool-apk-download_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/coin-master-hack-online-without-human-verification_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-free-robux-scam-uncopylocked_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/coin-master-free-spins-daily-2021_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/teach-me-to-hack_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-free-spins-link-quora_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-roblox-no-survey_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-avatar-free-items_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-magical-chest-coin-master_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-hack-de-robloxdecom_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-roblox-followers_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-name-script-hack_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/speed-hack-roblox-with-nopde-engine_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_off00002f22.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F22 21740 bytes
SHA-256: 771310d5b0ee93ba3909446ca9b8e7691405f31d4e5185e8615634a0d8fa354c
font_01_sfnt_off00005ef3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EF3 19320 bytes
SHA-256: d3a5c68efa697bf21550d4edf6df8c0ea4c4edc6caf6956c55aa51613272f7d2

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