Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fd8eefd36eb8133…

MALICIOUS

PDF

41.3 KB Created: 2021-05-15 09:19:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 1ee82a327046ba29c630c61b2e5fc73b SHA-1: 9e55b37cebd57151dbb5864f81a686b02d53c384 SHA-256: 2fd8eefd36eb81330729747f43fe78065518e629ac98bc65ea5f890ddbccaba0
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains multiple embedded links, with one specifically pointing to a "minecraft-hacked-client" download. The heuristic firings confirm the presence of malicious redirector links and a general ML-based detection of malicious content. The document body, though obfuscated, also contains URLs related to game cheats and hacks, reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 3

  • 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-hacked-client-1.8-game-hack In PDF document text
    • http://dieter-sauter.com/images/free-robux-card-codes_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/rewardex-robux_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-robux-generator_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://dieter-sauter.com/images/hacks-minecraft_GM479516143.pdfIn PDF document text
    • http://dieter-sauter.com/images/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/coin-master-hack-to-get-free-spins_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/minecraft-windows-10-edition-free-with-java_GM479516143.pdfIn PDF document text
    • http://dieter-sauter.com/images/instant-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/roblox-avatar-free_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/cone-master_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/minecraft-pe-apk-free-download_GM479516143.pdfIn PDF document text
    • http://dieter-sauter.com/images/coin-master-cards-hack_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/coin-master-hack-mod-game-download_GM406889139.pdfIn PDF document text
    • https://www.youtIn 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_003_off00004635.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4635 25252 bytes
SHA-256: e3c78b3083f11faca0306570774f9ebdf1e66169165d3f0ac7815ee50d3ed12e
font_01_sfnt_off00007ede.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EDE 18368 bytes
SHA-256: 420cbf164c74e6dc133d1414ba407e12ce0648dec1f88ec8b0651e26dc2e59ce

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