Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa6a0acb7b15a0d5…

MALICIOUS

PDF

139.5 KB Created: 2022-07-08 04:00:41 +00:00 Authoring application: noelhug (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 99039598b4dea7585ed3efa4eb954b10 SHA-1: aeb7bc034adf6d047775707f73efc322e5623371 SHA-256: fa6a0acb7b15a0d5f6bf5e94d5b2ab4327d5e151bf64fc8fd24c8c10a49f76d5
64 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as indicated by the 'PDF_SEO_LINK_FARM' heuristic. One of the primary external URIs points to 'siteslocate.com', which is likely part of a link farm or redirection scheme. The document body is heavily obfuscated and does not provide clear textual content, suggesting its purpose is to host or facilitate access to other malicious resources.

Machine Learning

  • Nyx PDF Classifier clean score 0.0064

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://siteslocate.com/garnishments/damasks/?hugs=myricetin&yeomen=orators&palancar=ZG93bmxvYWR8RGwyWlhnMWMzeDhNVFkxTnpFNE5qazFOWHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA/UGVkYWdvZ3kgSW4gVXJkdS5wZGYUGV
    • https://studiolight.nl/wp-content/uploads/2022/07/caiddeja.pdf
    • https://jasaborsumurjakarta.com/premiere-pro-cs4-torrent
    • http://galaxy7music.com/?p=52787
    • https://yietnam.com/upload/files/2022/07/VsPcFAEqih6eFjr8snxm_08_dcf07a7bc45cf2ad2181c9fc5f2194f4_file.pdf
    • https://www.olds.ca/system/files/webform/download-yamaha-ymf724fv-driver-windows-7-11-5.pdf
    • https://stompster.com/upload/files/2022/07/rYQI7u1iG46Y7leWNykU_08_315b14e1cd5f297832f66120652f5e5a_file.pdf
    • http://www.synergysteelstructures.com/sites/default/files/webform/wordar453.pdf
    • https://www.didochat.com/upload/files/2022/07/c8c2HsLpKQ8AjgF99Ew5_08_dca625c5abb64786125d8d873ff95575_file.pdf
    • https://www.grafton-ma.gov/sites/g/files/vyhlif4461/f/uploads/grafton_strong_website_8.pdf
    • http://www.ndvadvisers.com/?p=
    • https://thebakersavenue.com/wp-content/uploads/2022/07/jarrfer.pdf
    • http://kireeste.com/?p=43160
    • https://www.sunsquare.com/system/files/webform/useruploads/yamaha-psr-295-driver-download-free.pdf
    • https://burmarauto.com/jigariyaa-movie-free-download-in-hindi-full-hd-full/
    • http://www.studiofratini.com/dare-discography-1988-2009/
    • https://www.iowaworkforcedevelopment.gov/kar/system/files/webform/pandemic/2022-7-07/zuritam139.pdf
    • https://mandarinrecruitment.com/system/files/webform/selhamy629.pdf
    • https://himarkacademy.tech/blog/index.php?entryid=8174
    • https://malekrealty.org/enigma2-plugin-softcams-oscam-emu-sh4-1-179/
    • https://yietnam.com/upload/files/2022/07/VsPcFAEqih6eFjr8snxm_08_dcf07a7bc45cf2ad2181c9fc5f219
    • https://stompster.com/upload/files/2022/07/rYQI7u1iG46Y7leWNykU_08_315b14e1cd5f297832f6612065
    • https://www.didochat.com/upload/files/2022/07/c8c2HsLpKQ8AjgF99Ew5_08_dca625c5abb64786125d8
    • https://www.sunsquare.com/system/files/webform/useruploads/yamaha-psr-295-driver-download-
    • https://www.iowaworkforcedevelopment.gov/kar/system/files/webform/pandemic/2022-7-07/zuritam139
    • https://socialspace.ams3.digitaloceanspaces.com/upload/files/2022/07/37bKLxTt7y4jKRNQgNGB_08_eef02298b5bb2d9c2f0b0d4814f8bc58_file.pdf
    • http://www.tcpdf.org
    • https://socialspace.ams3.digitaloceanspaces.com/upload/files/2022/07/37bKLxTt7y4jKRNQgNGB_08_eef
    • 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_013_off0001b688.bin
df221e87b81d1531cafdadb6c09a602e9f604d1baf0a17bbd350cbb83baa06f7		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1B688 119072 bytes

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