Malicious PDF — malware analysis report

Static analysis result for SHA-256 a634deeca567e521…

MALICIOUS

PDF

35.7 KB Created: 2021-05-30 04:47:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5470579f443b9bfab0a32d5e3a5000ae SHA-1: 3a14dcc3524d7d6b612f02aa544cea94564e1486 SHA-256: a634deeca567e521147eb091c775a044da65f981d23338f5171a3a6399836e7d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple heuristics indicating malicious redirector links, specifically targeting users with a 'free generator / game hack' lure. The embedded URL leads to known malicious infrastructure, suggesting an attempt to download further malware or redirect to a phishing site. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8925

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-for-chromebook-free-game-hack In PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/free-tiktok-accounts-with-followers_GM835599320.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/free-online-minecraft-server_GM479516143.pdfIn PDF document text
    • http://www.freenom.comHeyIn 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000310e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x310E 25320 bytes
SHA-256: dde72c74f25b5e740d634773a4e47b9c1020b99bc12b1f2c9dd500b55b507bc5
font_01_sfnt_off00006a03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A03 18464 bytes
SHA-256: 2a1fd25b60091da4e89f293bc06fa32417487358dc39e20cf321c71e22d0bfdc

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