PDF static analysis report

Static analysis result for SHA-256 438fada3bb2a5504…

SUSPICIOUS

PDF

40.9 KB Created: 2021-04-03 11:56:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: af4b9380958030893784255296384980 SHA-1: 0035617558059d16a10cca33dcc4f6824524908f SHA-256: 438fada3bb2a55046fdc7705135881635503c3b6735647d982c30ac2cef2d77a
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a call-to-action phrase, strongly suggesting a lure for users to visit potentially malicious websites. The ML classifier also flagged this PDF as malicious. The document body and embedded URLs indicate a theme of obtaining free Robux, a common lure for phishing and scam operations.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9673

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://gaminggenerator.org/app/431946152/how-do-you-get-free-robux-on-survey PDF link annotation
    • https://gomsa.nl/images/roblox-roblox-hack-generator.pdfIn PDF document text
    • http://zarinnameh.ir/images/how-to-hack-weight-lifting-sim-in-roblox.pdfIn PDF document text
    • https://www.saisystem.it/images/how-to-get-free-robux-download.pdfIn PDF document text
    • https://www.fhccu.com/images/how-to-get-free-gamepass-on-roblox-2021.pdfIn PDF document text
    • https://www.ncscolour.no/images/roblox-robux-hack-2021-ios.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/estan-hackeando-roblox.pdfIn PDF document text
    • https://www.foodsafety.cz/images/free-account-and-password-roblox-generator.pdfIn PDF document text
    • http://www.drent.se/images/free-headphones-roblox.pdfIn PDF document text
    • http://www.kalaaliaraq.dk/images/robloxcom-cheat-codes.pdfIn PDF document text
    • http://www.inservis.cl/images/be-free-with-me-roblox-id.pdfIn PDF document text
    • http://www.fanciullovito.it/images/roblox-membership-hack.pdfIn PDF document text
    • https://www.abrapppe.org.br/images/robux-hack-tool-2021-download.pdfIn PDF document text
    • http://baah.ca/images/survivor-roblox-hacks.pdfIn PDF document text
    • https://www.abrapppe.org.br/images/roblox-lost-hacks.pdfIn PDF document text
    • http://energotestcontrol.ru/images/free-member-roblox.pdfIn PDF document text
    • https://technospektr.com.ua/images/free-promo-codes-2021-roblox.pdfIn PDF document text
    • http://hemmet-strand.dk/images/roblox-robux-hack-2021-no-survey-no-password.pdfIn PDF document text
    • http://www.eurosan1.ba/images/roblox-robux-generator-free-download-no-surveys.pdfIn PDF document text
    • https://www.stkdb.cz/images/robux-hack-with-required-password.pdfIn PDF document text
    • https://accord.kiev.ua/images/how-do-u-turn-of-the-hacks-on-roblox.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/free-roblox-bots-site-v3rmillionnet.pdfIn PDF document text
    • https://www.lavigny.ch/images/dll-inject-hacks-roblox.pdfIn PDF document text
    • http://www.fluidtech.hu/images/how-to-get-800-robux-for-free.pdfIn PDF document text
    • http://www.agri-tech.com.au/images/free-robux-400-code.pdfIn PDF document text
    • http://ns1.radiofacil.net/images/agast-2021-hacks-unlimited-robux.pdfIn PDF document text
    • http://www.eurologistiki.gr/images/free-robux-generator-2021-no-human-verification.pdfIn PDF document text
    • http://www.cosver.nl/images/can-you-be-hacked-by-an-id-on-roblox.pdfIn PDF document text
    • https://www.hotschool.com.au/images/cheat-robux-roblox-2021-free.pdfIn PDF document text
    • https://gomsa.nl/images/free-robux-generator-no-download.pdfIn PDF document text
    • http://www.cbgp.upm.es/images/free-robux-no-tsts.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
stream_003_off000045a5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x45A5 24020 bytes
SHA-256: bd2f362ed1a3d7a855c1a6ad322c978b7b413102f22bfb81889ef12a593e36e4
font_01_sfnt_off00007c52.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C52 18300 bytes
SHA-256: 61f50c614d75dcdafa33cf41e47af35137c2cfad375b48ff312ce7612b530749