Malicious PDF — malware analysis report

Static analysis result for SHA-256 88a93b5d7418f934…

MALICIOUS

PDF

239.4 KB Created: 2021-04-05 07:48:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 0bdd42e491598a05ba0b4a8be9568061 SHA-1: e89d3ff1318f3cb2b07304a55adeed2c2639440e SHA-256: 88a93b5d7418f93466155cfc5c0f33ac19f862bb80cd8408502f7d38cc3147a6
102 Risk Score

Malware Insights

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

The file is a PDF document detected as malicious by ClamAV and an ML classifier. It contains numerous URLs pointing to sites offering 'Roblox cheats' or 'hacks', suggesting a phishing or social engineering lure. The presence of a visual download button heuristic further supports the intent to trick users into downloading potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5773

Heuristics 4

  • ClamAV: Pdf.Phishing.Roblox062100-9873116-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Roblox062100-9873116-0
  • 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://gaminggenerator.org/app/431946152/roblox-cheats-mac PDF link annotation
    • http://www.learningbydoinglingue.com/images/password-generator-roblox-hack.pdfIn PDF document text
    • http://sscclc.edu.ec/images/roblox-hack-tool-download-fee.pdfIn PDF document text
    • https://photographygroupofbunbury.com/images/can-u-hack-roblox.pdfIn PDF document text
    • http://www.sitiamministrabili.it/images/roblox-goku-hair-free.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/free-printable-roblox-birthday-banner.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/dragon-simulator-roblox-hack.pdfIn PDF document text
    • http://ediliziacasati.it/images/roblox-hack-dark-devs-one-piece.pdfIn PDF document text
    • http://www.hotelcimone.it/images/free-roblox-account-with-dominus.pdfIn PDF document text
    • https://www.najeebqasmi.com/images/free-robux-2021-april.pdfIn PDF document text
    • http://uptodate.az/images/roblox-hack-no-survey-or-human-verification-or-offers.pdfIn PDF document text
    • https://gryps.de/images/pastebin-hack-robux-2021.pdfIn PDF document text
    • http://nikabio.com/images/how-to-hack-roblox-jailbreak-on-mobile.pdfIn PDF document text
    • http://pia2000.net/images/free-robux-hack-no-survey-or-human-verification.pdfIn PDF document text
    • http://grahambettsmotors.com/images/free-roblox-for-6-year-old.pdfIn PDF document text
    • http://gods-own.org/images/robux-buy-free.pdfIn PDF document text
    • https://eleganceautospa.ca/images/how-to-get-free-clothes-on-roblox-hack.pdfIn PDF document text
    • http://hk-kan.org/images/roblox-phantom-forces-cheats-aimbot.pdfIn PDF document text
    • http://addair.co.uk/images/roblox-hack-script-walkspeed.pdfIn PDF document text
    • http://www.liceoantoniotoledo.com/images/how-to-hack-tiny-tanks-roblox.pdfIn PDF document text
    • http://genialica.de/images/how-to-cheat-money-in-roblox-jailbreak.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_off00036953.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36953 21508 bytes
SHA-256: e5cff0c5ad6e619e24e35cad30afb37e46d8b7a556ec5a311a5cf0902681b382
font_01_sfnt_off00039894.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39894 17888 bytes
SHA-256: c44749286ddd9fd7a36a569b354598292e0bd4aed4b1553eb2b01a37218ce20b