Malicious PDF — malware analysis report

Static analysis result for SHA-256 27212082388d3da1…

MALICIOUS

PDF

113.3 KB Created: 2022-07-06 03:00:33 +00:00 Authoring application: enthuala (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 21849fa3b16e7cf40eef01013dcf32f0 SHA-1: 729740207d1598cdb55b2d610be7a85fc42f6132 SHA-256: 27212082388d3da18bc6347d6631842c4bf28cadfa75e9babbf265bad0628734
134 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which are designed to lure users into downloading cracked software. This suggests the document is part of a campaign to distribute malware or lead users to malicious websites. The presence of numerous SEO-optimized links further indicates an attempt to obscure the malicious intent and increase visibility.

Machine Learning

  • Nyx PDF Classifier clean score 0.0169

Heuristics 5

  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
    PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://blogbasters.com/testmagic/?QW55YSBWYXJpYSBkYWRkeSBCYXRoQW5=drslbdzn.finalize.ZG93bmxvYWR8cHk4TkRoNWFYeDhNVFkxTnpBMk56RTFOSHg4TWpVNE4zeDhLRTBwSUVobGNtOXJkU0JiUm1GemRDQkhSVTVk.displeasure PDF link annotation
    • https://social111.s3.amazonaws.com/upload/files/2022/07/1sdueCGWHMotHvPZJLeZ_06_8fad79935bada79ca9df05b61ffad2ac_file.pdfIn PDF document text
    • http://camcasia.com/?p=22934In PDF document text
    • https://mandarinrecruitment.com/system/files/webform/xforce-keygen-32bits-or-64bits-version-structural-analysis-for-revit-2010-portable.pdfIn PDF document text
    • https://valentinesdaygiftguide.net/wp-content/uploads/2022/07/Bobby_Hutcherson__Montara_1975_NEW.pdfIn PDF document text
    • https://petersmanjak.com/wp-content/uploads/2022/07/kepler_70_astrology_software_crack_worksgolkes.pdfIn PDF document text
    • https://vietuniversity.com/upload/files/2022/07/jOE85q38mO9TU99pxPLQ_06_e8db93c5fb3732749627dcff15d4ffaa_file.pdfIn PDF document text
    • http://executivenavi.com/wp-content/uploads/2022/07/igcse_economics_susan_grant_pdf_200.pdfIn PDF document text
    • https://supplementaryeducationalservices.com/blog/index.php?entryid=3343In PDF document text
    • https://community.soulmateng.net/upload/files/2022/07/u95EBfolpniq6EHAb5et_06_e8db93c5fb3732749627dcff15d4ffaa_file.pdfIn PDF document text
    • http://shkvarka.fun/?p=12392In PDF document text
    • http://www.italiankart.it/advert/micros-fidelio-suite-8-manual-work-downloads-torrent/In PDF document text
    • https://www.cameraitacina.com/en/system/files/webform/feedback/cymatics-savage-drums-for-trap-gold-edition.pdfIn PDF document text
    • https://fotofables.com/graitec-advance-suite-2015-crack-demon-style-liste-fe-hot/In PDF document text
    • https://elearning.21.training/blog/index.php?entryid=4793In PDF document text
    • https://efekt-metal.pl/witaj-swiecie/In PDF document text
    • https://mandarinrecruitment.com/system/files/webform/beadama788.pdfIn PDF document text
    • https://www.consultingproteam.com/2022/07/06/iobit-uninstaller-9-2-0-14-crack-serial-key-free-download-2019-patched/In PDF document text
    • http://distgangprod.yolasite.com/resources/E-Points-And-Ecoin-Hack-EXCLUSIVE-Free-26.pdfIn PDF document text
    • http://theiselgens.yolasite.com/resources/Xforce-Keygen-64bit-AutoCAD-2009-Keygen-LINK.pdfIn PDF document text
    • http://giugeli.yolasite.com/resources/Malibu-Anderson-Paak-NEW-Download-24.pdfIn PDF document text
    • http://www.tcpdf.orgIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text
    • http://theiselgens.yolasite.com/resources/xforce-keygen-64bit-autocad-2009-keygen-link.pdfIn PDF document text

Related samples 8

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