Malicious PDF — malware analysis report

Static analysis result for SHA-256 e82381d6559a3a43…

MALICIOUS

PDF

246.4 KB Created: 2021-04-05 04:15:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 6667a1978a41b1593f3dd1e6379a5a76 SHA-1: 936f7ed5ab036fede937cd461d6c4f57fb27403e SHA-256: e82381d6559a3a43e589714356bb1c1d19f06a9729d00237d8b78097fe888e9a
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a lure for a 'Free Robux Generator' and includes an external URI pointing to a suspicious domain. ClamAV detected this file as 'Pdf.Phishing.Roblox062100-9873116-0', indicating a phishing attempt. While no scripts were explicitly extracted, the presence of embedded URLs and the phishing lure strongly suggest malicious intent, likely to deliver a secondary payload or lead the user to a credential harvesting site.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.2693

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-robux-generator-straight-robux-no-human-verification PDF link annotation
    • http://www.comitatoiseo.org/images/roblox-bc-free-2021.pdfIn PDF document text
    • http://k2visual.com.br/images/free-robux-no-apps.pdfIn PDF document text
    • http://garrisonjazz.com/images/redline-roblox-cheat-mega.pdfIn PDF document text
    • http://ns1.radiofacil.net/images/ant-man-helmet-roblox-free.pdfIn PDF document text
    • http://elllanorestaurants.com/images/cmo-puedo-hackear-roblox-en-computadora.pdfIn PDF document text
    • http://www.gravel.ru/images/how-to-work-get-a-roblox-hack-gui-to-work.pdfIn PDF document text
    • https://gestionpatrimonial.net/images/free-white-pants-in-roblox.pdfIn PDF document text
    • https://meltonschool.org/images/toy-code-roblox-free.pdfIn PDF document text
    • https://www.wildpark-johannismuehle.de/images/how-to-looks-good-for-free-in-roblox.pdfIn PDF document text
    • http://korporacjaroma.pl/images/redeem-free-robux-code.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/how-to-get-free-robux-in-2021.pdfIn PDF document text
    • http://5346000.com/images/free-unlimited-robux-hack-working-2021.pdfIn PDF document text
    • http://serviio.org/images/how-to-put-hack-scripts-in-roblox.pdfIn PDF document text
    • http://bb-im2.com/images/core-exploit-v8-free-download-roblox.pdfIn PDF document text
    • https://www.hotschool.com.au/images/please-free-robux.pdfIn PDF document text
    • http://www.flotom.at/images/free-roblox-shirts-to-take.pdfIn PDF document text
    • http://batterikungen.se/images/can-we-get-free-robux.pdfIn PDF document text
    • http://unilin21.ru/images/free-roblox-valentines-generator.pdfIn PDF document text
    • http://infoagronomia.com.ar/images/hack-atravesar-paredes-roblox-2021-marzo.pdfIn PDF document text
    • http://the-specials.ch/images/actual-up-to-date-roblox-hacks.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0003767c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3767C 25428 bytes
SHA-256: 1b82d5f757da655ff75efd5c39fb553580a81cec9c08179b93ed04f475708c84
font_01_sfnt_off0003b0e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3B0E8 19008 bytes
SHA-256: aa1a8659850ecc042d7d930784e7f2c35755c7ecec57ef0799d705603fd31838

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