Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbe4cb6dcd2984fd…

MALICIOUS

PDF

36.8 KB Created: 2021-05-23 17:08:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ddeb2924063c2b8787a28e99331f4e87 SHA-1: 52669cc687387b5799745f79a0041f13c9056fb0 SHA-256: bbe4cb6dcd2984fd579162e45b3132e20b7e6c8976b4fd7f3bd9ba4e2d72b783
160 Risk Score

Malware Insights

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

The PDF contains multiple links that redirect to malicious infrastructure, specifically advertising a 'free Minecraft account generator' and 'game hack'. The document body and heuristics indicate a lure to trick users into clicking these links, likely leading to further malicious content or exploits. No scripts were extracted, but the PDF structure and embedded URLs strongly suggest a phishing or redirection attack.

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/479516143/free-minecraft-account-generator-game-hack In PDF document text
    • http://www.conservatoriolecce.it/images/coin-master-email-rewards-link_GM406889139.pdfIn PDF document text
    • http://www.conservatoriolecce.it/images/coin-master-free-spin-link-twitter_GM406889139.pdfIn PDF document text
    • http://www.conservatoriolecce.it/images/hack-coin-master-using-cheat-engine_GM406889139.pdfIn PDF document text
    • http://www.conservatoriolecce.it/images/minecraft-clipart-free_GM479516143.pdfIn PDF document text
    • http://www.conservatoriolecce.it/images/robux-hack-free-robux_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_off00003637.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3637 25660 bytes
SHA-256: d5d5beb7ef55effab3e8a9d2c14e2c67bb5788225f96e3767403d376d95a4fff
font_01_sfnt_off00006fe5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FE5 17848 bytes
SHA-256: ac3b0f7a72dc6f29c3b7fbd43af928bb412d301226b2a88e16f0d2541e2fb97b

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