PDF static analysis report

Static analysis result for SHA-256 281cf7cb441a85d6…

SUSPICIOUS

PDF

45.6 KB Created: 2021-05-17 12:32:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: edbdf5a0b2b97b996e07e7b24111d1ae SHA-1: c6dc943c09d9b8bc352fd7a312aa278bd315a549 SHA-256: 281cf7cb441a85d673218deadfbeb09e2b303d874d5831a79c20e6be69a18637
42 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs and a prominent link that directs users to download software, disguised as free games or hacks. The ML classifier flagged this PDF with high confidence, and the presence of numerous links to potentially malicious domains supports the assessment of a download lure attack. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

Heuristics 3

  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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-to-play-minecraft-servers-game-hack PDF link annotation
    • http://krumerhaus.at/images/coin-master-app_GM406889139.pdfIn PDF document text
    • http://krumerhaus.at/images/minecraft-ps3-free-download_GM479516143.pdfIn PDF document text
    • http://krumerhaus.at/images/minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
    • http://krumerhaus.at/images/coin-master-free-download-for-pc_GM406889139.pdfIn PDF document text
    • http://krumerhaus.at/images/coin-master-100-spin-hack_GM406889139.pdfIn PDF document text
    • http://krumerhaus.at/images/minecraft-java-edition-free-code_GM479516143.pdfIn PDF document text
    • http://krumerhaus.at/images/coin-master-free-spins-bit-ly_GM406889139.pdfIn PDF document text
    • http://krumerhaus.at/images/coinmaster-blogspot_GM406889139.pdfIn PDF document text
    • http://krumerhaus.at/images/roblox-help-free-robux_GM431946152.pdfIn PDF document text
    • http://krumerhaus.at/images/how-to-get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://krumerhaus.at/images/300-daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://krumerhaus.at/images/free-robux-stream_GM431946152.pdfIn PDF document text
    • http://krumerhaus.at/images/coin-master-free-gold-cards_GM406889139.pdfIn PDF document text
    • http://krumerhaus.at/images/free-robux-earn_GM431946152.pdfIn PDF document text
    • http://krumerhaus.at/images/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://krumerhaus.at/images/play-coin-master-online-free_GM406889139.pdfIn PDF document text
    • http://krumerhaus.at/images/roblox-studio-free-download_GM431946152.pdfIn PDF document text
    • http://krumerhaus.at/images/how-to-get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://krumerhaus.at/images/coin-master-free-spins-link-deutsch-ios_GM406889139.pdfIn PDF document text
    • http://krumerhaus.at/images/free-robux-no-verification-or-survey_GM431946152.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b71.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B71 25328 bytes
SHA-256: 53bef8c4c5b609878b4a8f102b1b0b51614129255803b24bc1aff84f5ee9d63a
font_01_sfnt_off000085aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85AA 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00008fba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FBA 18232 bytes
SHA-256: df9bdba0ccb867e231e0707e3a94b10901008a424b0cfbbd7e5ef55edf45d1f1

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