Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e81c0199dde3336…

MALICIOUS

PDF

47.5 KB Created: 2021-06-07 10:10:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 0ba00ed195bee5569db19a234db128b6 SHA-1: 81e0451fa939dd09113daa524b28ded55879d53a SHA-256: 2e81c0199dde33364d6d335da450c55c4f2d20eb90adbe19ca4d7377b71f2325
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and document body text that advertise game hacks and cheats, directly linking to a known malicious redirector. The ML classifier also flagged this PDF as malicious. The primary goal appears to be luring users to download or access further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

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.tw/app/431946152/roblox-hack-robux-cheat-engine-6.4-game-hack In PDF document text
    • http://dieter-sauter.com/images/minecraft-apk-114_GM479516143.pdfIn PDF document text
    • http://dieter-sauter.com/images/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/coin-master-el-tiger-card-free_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/games-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-robux-com-real_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/how-to-get-a-free-minecraft-account_GM479516143.pdfIn PDF document text
    • http://dieter-sauter.com/images/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-links-for-free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-minecraft-accounts-reddit_GM479516143.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-free-robux_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-minecraft-java-edition_GM479516143.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-robux-no-human-verification-or-survey-or-download_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/how-to-get-minecraft-bedrock-for-free_GM479516143.pdfIn PDF document text
    • http://dieter-sauter.com/images/gamehunters-coin-master_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/easy-points-gg_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/how-can-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-robux-gen_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-coin-master-spins-blog_GM406889139.pdfIn 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_004_off000052a3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x52A3 29096 bytes
SHA-256: 002b34ffec85e3c21ad05f7976fee66d5e1838ea2ac76584910dcbdb506a0a4f
font_01_sfnt_off00009409.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9409 19296 bytes
SHA-256: bd7ce64d396d0f9ade2f4a978b7b0ad3e73dfb7edb839bd1a9e586baf8d697a5

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