Malicious PDF — malware analysis report

Static analysis result for SHA-256 b048a6faac1dc340…

MALICIOUS

PDF

36.9 KB Created: 2021-05-21 19:12:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9e10032c3a4cc586324b72a50b319965 SHA-1: 5765ac27d638f3bb47fbffea360ba07f8b484a9f SHA-256: b048a6faac1dc340eefe207798b7a0bded7e094e4064e9c12e9987325b1000ad
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites that are flagged as malicious redirectors, specifically promoting 'hacks' for games like Roblox. The document body and heuristics indicate a lure to download or access generators, which is a common phishing tactic. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a malicious redirection workflow designed to trick users.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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/hacks-para-roblox-game-hack In PDF document text
    • http://www.metinadistribuzione.com/images/get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://www.metinadistribuzione.com/images/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://www.metinadistribuzione.com/images/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.metinadistribuzione.com/images/roblox-data-breach_GM431946152.pdfIn PDF document text
    • http://www.metinadistribuzione.com/images/roblox-hack-com_GM431946152.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_off000033a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33A0 26436 bytes
SHA-256: 690a82b098afa9c23c12e3ced8d0e79ea347711f140599d2bd034bd8e83848d4
font_01_sfnt_off00006ecf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6ECF 18336 bytes
SHA-256: 2c3591d0816fe2ec07885ff461cab1f1278707ef551a51e26631ad2b93349e2a

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