Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d47948f375093c0…

MALICIOUS

PDF

40.6 KB Created: 2021-05-23 12:35:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-16
MD5: d820e4d83140a4246bb2711110f7e2cc SHA-1: f341e7e8dae6fb1ab679ee2a12b2f51482bb7f84 SHA-256: 9d47948f375093c0f89fe23705f70c6c20bd087b46a6cf2ec1bdd4fe3ebbdf24
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to a known malicious redirector infrastructure, disguised as a 'free generator / game hack' lure. The document body explicitly mentions 'Free Robux Games' and 'CLICK HERE TO ACCESS ROBLOX GENERATOR', reinforcing the social engineering aspect. The embedded URLs likely serve as the initial stage for delivering further malicious content or leading to phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9476

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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 https://netcdn.xyz/app/431946152/free-robux-games-that-actually-work-game-hack In PDF document text
    • http://adielssonmotorsport.com/images/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
    • http://adielssonmotorsport.com/images/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • http://adielssonmotorsport.com/images/free-roblox_GM431946152.pdfIn PDF document text
    • http://adielssonmotorsport.com/images/how-do-you-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://adielssonmotorsport.com/images/minecraft-pe-apk-download_GM479516143.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_off00003557.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3557 31484 bytes
SHA-256: a0742cd06ec08b2863218c5ab6b8a66b862a28d59b4598da831ceb806f3ff39e
font_01_sfnt_off00007a51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A51 19392 bytes
SHA-256: 2bd118a57b53ff37cab680797aee460eb59fed046ceba4ed0277135d7eae5baa

Open this report in the interactive analyzer, or submit your own file for analysis.