Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee012b3dca5db8b1…

MALICIOUS

PDF

39.2 KB Created: 2021-05-21 12:36:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 2f6f7ec51ca50d7b9ddc95ca291471ed SHA-1: 88e7248a2fcc47a3430361754270b560262ca1af SHA-256: ee012b3dca5db8b1e09d19fec8102f0e31a2710793b1982322ded49030a8cb19
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8068

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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 https://netcdn.xyz/app/431946152/free-robux-com-roblox-game-hack PDF link annotation
    • http://www.imperialaccountingfl.com/images/how-do-i-get-robux_GM431946152.pdfIn PDF document text
    • http://www.imperialaccountingfl.com/images/10-robux_GM431946152.pdfIn PDF document text
    • http://www.imperialaccountingfl.com/images/robux-free-co_GM431946152.pdfIn PDF document text
    • http://www.imperialaccountingfl.com/images/rbxoffers-com-free-robux_GM431946152.pdfIn PDF document text
    • http://www.imperialaccountingfl.com/images/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33AC 25360 bytes
SHA-256: 793e180c595bf5967781167f602ff61dce3ef9c0afa1730e276799a33b8bfb79
font_01_sfnt_off00006e1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E1C 2824 bytes
SHA-256: 94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4
font_02_sfnt_off000077cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77CB 18348 bytes
SHA-256: 0a91f6cfdfc59c313b80ddaaf1db47d93b267e297f9a4be9f2abca10b90eba79

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