Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ec150a3d1a02ce9…

MALICIOUS

PDF

33.0 KB Created: 2021-07-19 17:46:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1f96c5f055a6e0dce0cf7f048190c065 SHA-1: a52dc7381b4adacde8fd03837211ccaed6833aa4 SHA-256: 5ec150a3d1a02ce9ac04d03cbe88cd42834b81c84011390fa583db87e7e07b21
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a lure for a "free generator / game hack" which links to malicious redirector infrastructure. The document body and embedded links suggest a social engineering attempt to trick users into visiting a site that likely hosts malware or further phishing content. While no scripts were directly extracted, the PDF structure and embedded links are indicative of malicious intent, likely leading to a second-stage download or exploit.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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 http://netcdn.tw/app/479516143/minecraft-windows-10-free-with-java-game-hack In PDF document text
    • http://www.dolciariavarone.com/images/tiktok-free-fans_GM835599320.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/free-minecraft-skin-packs_GM479516143.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/how-to-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/roblox-script-hack_GM431946152.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/roblox-fly-hack_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_off00002d77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D77 21996 bytes
SHA-256: b997d49032c2dd5dfb55dbd47648fcbba9e6c61f76701682b42fd69c928a1b2e
font_01_sfnt_off00005cde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CDE 18972 bytes
SHA-256: ec0d7e7957d6d3ec4a312ebe7c12434b242d64f4f861d318395950ba1ef4cb73

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