PDF static analysis report

Static analysis result for SHA-256 ab6791747cd21981…

SUSPICIOUS

PDF

34.7 KB Created: 2021-07-03 11:02:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 0ca97820ecf4a6cd2a1eb5a51f0cc8e7 SHA-1: c284871af103d1259e4e9b00cbea608865734994 SHA-256: ab6791747cd21981bc6ff239f8569fabad7bc1843e061b05fbcbc5ff06a62482
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains numerous URLs and text referencing 'free Robux' and 'Coin Master free spins', indicating a lure for potentially unwanted or malicious downloads. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs further supports this. The document's content and embedded URLs suggest it is part of a phishing or scam campaign designed to trick users into downloading further malware or visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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/roblox-free-robux-no-human-verification-game-hack PDF link annotation
    • https://www.failtesolar.com/uploaded_files/userfiles/files/free-robux-for-kids_GM431946152.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/coin-and-spin-link_GM406889139.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/coin-master-free-stuff_GM406889139.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/coin-master-tricks-and-hacks_GM406889139.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/coin-master-hack-2021-free_GM406889139.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/dance-routine-hack-for-roblox-high-school_GM431946152.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/free-roblox-money-2021_GM431946152.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/free-spins-coin-master-2021-no-verification_GM406889139.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/robux-hack-no-download-2021_GM431946152.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/coin-mster-free_GM406889139.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/free-coins-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/wwwfreerobuxgenoratercom_GM431946152.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/free-robux-hack-no-download-or-survey_GM431946152.pdfIn PDF document text
    • https://www.failtesolar.com/uploaded_files/userfiles/files/my-roblox-account-was-hacked_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_off000033dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33DD 21200 bytes
SHA-256: 23fa851afd318162a36314204142f155259ca04b113ab0ac750f0b8d566765d3
font_01_sfnt_off000061bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61BB 19408 bytes
SHA-256: d2ef309b92771ae7bb099a6b634574daefb8445dd777fce633f2a8c245e3903e