Malicious PDF — malware analysis report

Static analysis result for SHA-256 45557286ce48f01c…

MALICIOUS

PDF

37.3 KB Created: 2021-05-21 09:16:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 3feef2f67196065b062b3c5885050c2f SHA-1: 9a4a352ce52cba7f89b3262539d466e21c765205 SHA-256: 45557286ce48f01cd46ed4b49167aba65d8c4fc587c459deb18a70e266e76540
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites offering 'free generators' and 'game hacks', which are common lures for malicious content. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms that the linked infrastructure is associated with malicious redirectors. While no scripts were explicitly extracted, the document body and heuristics indicate a clear intent to redirect users to potentially harmful sites, likely for further exploitation or credential harvesting.

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/free-roblox-followers-generator-game-hack In PDF document text
    • http://elitesoftsolutions.com/images/free-roblox-wings_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-minecraft-realm-codes_GM479516143.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-tiktok-likes-no-verification_GM835599320.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/roblox-studio-free-download_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
stream_002_off000032e2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32E2 26004 bytes
SHA-256: 60f1e20bbc86b416f68594fbb8a3515ceb5e4090e4223d5b1936e3d0a1f2f375
font_01_sfnt_off00006ff1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FF1 18444 bytes
SHA-256: 85a3bc75163aa5cb550fcd7f623674911054c132152be1c6daf8752df38f0070

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