Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7d7f23877ef26df…

MALICIOUS

PDF

136.9 KB Created: 2022-06-10 05:35:52 +02:00 Authoring application: gianalbe (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: e9351a1118262a0bb6839ff12624c9f0 SHA-1: 4db698cf183d8c220f4ab3ac1d2a5a52aa9d797c SHA-256: a7d7f23877ef26df5a3f933611b7d561516642b96df586b6421e7b5eb867be32
64 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to other PDF files. This suggests a link farm designed to distribute malicious content. The primary malicious URL identified is http://evacdir.com/fury, which likely serves as a distribution point for further malware. No scripts were extracted, and the document body was not parsable.

Machine Learning

  • Nyx PDF Classifier clean score 0.0123

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/fury?interacting=RGlhYmxvIElJOiBMb3JkIE9mIERlc3RydWN0aW9uIChQb3J0YWJsZSkRGl&kickstart=ZG93bmxvYWR8bk83TnpGcGQzeDhNVFkxTkRjNE1EZzNPWHg4TWpVNE4zeDhLRTBwSUVobGNtOXJkU0JiUm1GemRDQkhSVTVk&lteter=safetec
    • http://rt2a.org/wp-content/uploads/2022/06/frajor.pdf
    • https://dilats.com/wp-content/uploads/2022/06/wyanol.pdf
    • https://magiclifequicksell.com/wp-content/uploads/2022/06/Ilok_Authorization_For_Pro_Tools_10_WITH_CLOUD_COMPUTING.pdf
    • http://duhocnewworld.com/wp-content/uploads/2022/06/elllov.pdf
    • https://telebook.app/upload/files/2022/06/tHbQUdWkXZmtPUtjYtPA_10_1cd43b86c3b975df0f572809c8c1efd5_file.pdf
    • http://www.suaopiniao1.com.br//upload/files/2022/06/IFSzNKxQIR3ETOf2PKhO_10_1cd43b86c3b975df0f572809c8c1efd5_file.pdf
    • https://elenabacchini.com/wp-content/uploads/2022/06/angbern.pdf
    • https://storage.googleapis.com/paloodles/upload/files/2022/06/198pRy39C1GMn9Dj8JN5_10_1cd43b86c3b975df0f572809c8c1efd5_file.pdf
    • https://shrouded-thicket-61423.herokuapp.com/gemiqwyn.pdf
    • https://ictlife.vn/upload/files/2022/06/QKgZIYlDlH74aqmFykDD_10_1cd43b86c3b975df0f572809c8c1efd5_file.pdf
    • https://businessbooster.page/wp-content/uploads/2022/06/victjosh.pdf
    • https://www.petscool.ru/upload/files/2022/06/dZSNmrq1rrMgvuHznRTv_10_1cd43b86c3b975df0f572809c8c1efd5_file.pdf
    • https://antoinevanaalst.com/wp-content/uploads/2022/06/Mgsv_Tpp_Crack_V3_3dm_Crack.pdf
    • http://cloudconsultingcompanies.com/wp-content/uploads/2022/06/Adjprog_Crackedexe_Epson_L210_Installer_2021.pdf
    • https://triberhub.com/upload/files/2022/06/k6hcOskZE8swJODRowSJ_10_7a9154cd93178cee053d7fc79791ecef_file.pdf
    • https://arcane-citadel-00985.herokuapp.com/Rajathanthiram_Tamil_Full_Movie_Download.pdf
    • https://spaziofeste.it/wp-content/uploads/ninebry.pdf
    • https://ledlights.blog/wp-content/uploads/2022/06/Hum_Saath_Saath_Hain__DVDRip__x264__1CDRip__DDRmkv.pdf
    • https://brightsun.co/roland-dt1-drum-tutorzip/
    • https://secureservercdn.net/198.71.233.38/fpk.1e1.myftpupload.com/wp-content/uploads/2022/06/skidrow_borderlands_2_premiere_club_editionfull_crack_18.pdf?time=1654832041
    • 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_002_off00001593.bin
a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1593 120140 bytes