Malicious PDF — malware analysis report

Static analysis result for SHA-256 580468f1f4c7192b…

MALICIOUS

PDF

36.3 KB Created: 2021-05-23 04:36:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4cd45fd5b07e2301a4e451db3f198bc4 SHA-1: 122bcda642a9fffd88b2da296ee196102e65144d SHA-256: 580468f1f4c7192bf8fd2af366c4ed07fc2042a86fbb973a8924746b96eff806
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains multiple links to known malicious redirectors, disguised as game hacks and free downloads. The primary lure URL is https://netcdn.xyz/app/479516143/minecraft-free-download-unblocked-game-hack, which is associated with a critical heuristic firing for malicious redirector links. The document body also contains similar URLs pointing to potentially malicious content. The presence of these links and the ML classifier's high confidence score indicate a malicious intent to redirect users to harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/479516143/minecraft-free-download-unblocked-game-hack In PDF document text
    • http://ferienwohnung-walker.de/images/coin-master-hack-ios-no-human-verification_GM406889139.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/minecraft-realms-free-trial_GM479516143.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/free-robux-com-roblox_GM431946152.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/free-robux-ad_GM431946152.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/free-coin-master-gifts_GM406889139.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_off000033d5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33D5 24304 bytes
SHA-256: 0a68ff97d01a940e55fdc99b4f32aa8f6df213659ce671d3d1aa865f93432e99
font_01_sfnt_off00006b1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B1F 18804 bytes
SHA-256: 351b73efa1cf4358b07b283040b01ec481d6b0b50516ad4f4e94e13994b713ed

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