Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2daf4a47de1fafd…

MALICIOUS

PDF

105.4 KB Created: 2022-06-10 05:42:11 +02:00 Authoring application: napmard (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 0d3e0ece55960a0675751dcf5df1a140 SHA-1: 111681984ec7ebcabe17c0ca79a61411f806a3b3 SHA-256: d2daf4a47de1fafd1b9c2bf242539839f164d74802210c96533d640c3ec09b59
64 Risk Score

Malware Insights

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

The PDF contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or SEO poisoning attack. One of the primary external URIs, http://evacdir.com/eyeball/..., is directly associated with this malicious activity. The document body is heavily obfuscated and does not provide clear textual lures, but the heuristic findings strongly indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier clean score 0.0485

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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 http://evacdir.com/eyeball/RXRhYnMgOS43LjAgQ3JhY2sgRnJlZSBEb3dubG9hZCAtLQRXR.fatalistic.grants/morton?schrockguide=skidding&ZG93bmxvYWR8Tlc0TjJObE0zeDhNVFkxTkRjNE1EZzNPWHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA=everlast
    • http://www.gambians.fi/bunifu-ui-winforms-1-7-0-0/healthy-diet/
    • https://infinitodesign.hu/wp-content/uploads/2022/06/Download_Doa_Haikal_Free_PDF_Pdf.pdf
    • https://flagonsworkshop.net/upload/files/2022/06/sAI6jDuJXWHFeYniKEwl_10_4ec06fa61b46ca7e20266c940027e5ac_file.pdf
    • https://www.tallaslions.com/wp-content/uploads/2022/06/LOKI__Heroes_Of_Mythology_PC_ENG_ISO_Fitgirl_Repack.pdf
    • https://ghiassets.com/advert/waves-s1-stereo-imager-for-skype-development/
    • https://www.didochat.com/upload/files/2022/06/akoSImwtVp8CwLkMxDyK_10_070e6af8dd07e3b1110b039f45636a2c_file.pdf
    • https://4f26.com/fsx-flightsim-labs-concorde-x-install/
    • https://smartpolisforums.com/wp-content/uploads/2022/06/Share_Market_Books_In_Marathi_Free_Download_Pdf_HOT.pdf
    • http://buymecoffee.co/?p=11265
    • https://semiahmoomarina.com/wp-content/uploads/2022/06/breequy.pdf
    • https://cdn.lyv.style/wp-content/uploads/2022/06/10054209/semc_s1_unlock_tool_crack.pdf
    • http://eventaka.com/?p=6661
    • https://autorek.no/wp-content/uploads/2022/06/Libro_De_Contabilidad_2_Curso_De_Elias_Lara_Flores_Pdf-1.pdf
    • http://titfortech.com/?p=27399
    • https://ubiz.chat/upload/files/2022/06/SnpW4e3pcK7FprhnIh78_10_4ec06fa61b46ca7e20266c940027e5ac_file.pdf
    • https://morda.eu/upload/files/2022/06/YjTxPvY35iehfq6HKHRE_10_4ec06fa61b46ca7e20266c940027e5ac_file.pdf
    • http://www.naglobalbusiness.com/home/staad-foundation-advanced-v8i-06-00-00-51-patched-crack-full-255/
    • https://vasclanek.cz/wp-content/uploads/2022/06/deep_freeze_software_for_windows_7_crack_download.pdf
    • http://freestyleamerica.com/?p=19019
    • https://flagonsworkshop.net/upload/files/2022/06/sAI6jDuJXWHFeYniKEwl_10_4ec06fa61b46ca7e20266c940027e5ac_file.p
    • https://www.didochat.com/upload/files/2022/06/akoSImwtVp8CwLkMxDyK_10_070e6af8dd07e3b1110b039f45636a2c_file.p
    • https://moviercool-aliyun.oss-cn-hangzhou.aliyuncs.com/moviercool/web/2022/06/20220610034210861.pdf
    • http://www.tcpdf.org
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000183d.bin
a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x183D 120140 bytes

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