Malicious PDF — malware analysis report

Static analysis result for SHA-256 f36709328dced937…

MALICIOUS

PDF

252.7 KB Created: 2021-04-05 13:10:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 63fd73ef1aca3bda41532d53dcff33e6 SHA-1: f33f10cd91e7c9da9620359f0abfed39a1d4d029 SHA-256: f36709328dced937a666f8fd00537867b506bd8d08be6d3c4829c17b71f05bf8
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document that contains multiple embedded URLs, with the primary one being http://gaminggenerator.org/app/431946152/free-20210-robux-promo-code. Heuristics indicate the presence of external URIs and a download button lure, suggesting a phishing or scam attempt. The ClamAV detection as Pdf.Phishing.Roblox062100-9873116-0 further supports this assessment. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a malicious lure.

Machine Learning

  • Nyx PDF Classifier clean score 0.2292

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/free-20210-robux-promo-code PDF link annotation
    • http://soma.com.ua/images/how-to-become-a-hacker-in-roblox-ios.pdfIn PDF document text
    • https://farkas.de/images/free-robux-roblox-online-generator.pdfIn PDF document text
    • http://nevesomost.by/images/how-to-make-items-free-in-roblox.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/you-to-get-free-robux-no-hack.pdfIn PDF document text
    • http://www.it-ro.it/images/free-headphones-for-roblox.pdfIn PDF document text
    • http://hondenspecialist-engelien.nl/images/free-robux-no-human-verification-or-survey-ios.pdfIn PDF document text
    • http://uptodate.az/images/roblox-hack-for-robux-no-download.pdfIn PDF document text
    • http://batterikungen.se/images/roblox-free-pants-and-shirt.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-robux-accounts-2021.pdfIn PDF document text
    • http://schlossschaenke-andernach.de/images/hot-to-get-real-robux-for-free.pdfIn PDF document text
    • https://lita-lb.org/images/baldis-basics-free-roblox.pdfIn PDF document text
    • http://szekelymozes.ro/images/cheats-infinte-jump-roblox-fe2.pdfIn PDF document text
    • http://www.gongoff.com/images/race-7-mejor-hack-roblox.pdfIn PDF document text
    • http://www.homesweethome.pl/images/the-crew-cheats-at-roblox.pdfIn PDF document text
    • http://stroygrad-spb.com/images/how-to-make-roblox-pants-for-free.pdfIn PDF document text
    • http://sealysports.com/images/wearedevs-hack-roblox.pdfIn PDF document text
    • https://gryps.de/images/how-to-get-shelly-bag-in-roblox-booga-booga-free.pdfIn PDF document text
    • http://xn----7sbq6amdnuk.xn--p1ai/images/roblox-vehivle-simulator-speed-hack.pdfIn PDF document text
    • http://urezerv.com/images/roblox-ticket-hack-cheat-engine.pdfIn PDF document text
    • http://fotoflas.gr/images/how-to-hack-roblox-and-get-free-robux.pdfIn PDF document text
    • http://w-i-r.de/images/hack-roblox-robux-sin-verificacion-humana.pdfIn PDF document text
    • http://rumler.pl/images/roblox-free-gamepasse-script-2021.pdfIn PDF document text
    • https://www.cfdcnv.com/images/roblox-hack-painis.pdfIn PDF document text
    • https://www.europap.cz/images/how-to-kick-someone-in-free-draw-2-roblox.pdfIn PDF document text
    • https://successfulauto.ru/images/stella-roblox-exploit-free.pdfIn PDF document text
    • https://corbo.ru/images/roblox-nike-shirt-template-free-shipping.pdfIn PDF document text
    • http://kovroff.com.ua/images/camping-hacks-roblox.pdfIn PDF document text
    • http://sealysports.com/images/game-guardian-hack-roblox.pdfIn PDF document text
    • http://autenticohostalsalou.com/images/free-outfit-from-roblox.pdfIn PDF document text
    • http://reisebild.eu/images/roblox-hacked-intitle-indexof.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_off00038e02.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x38E02 26984 bytes
SHA-256: 2c4673011b7ec7bc0a61cf762feabbf1455de20c81229a38cfbde05f7027003f
font_01_sfnt_off0003cbca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3CBCA 18236 bytes
SHA-256: c774ac3cc228ce7248bddbed5f43b8f144bad70f9d08e90f69048fbb2de65b4e

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