Malicious PDF — malware analysis report

Heuristics 6

• 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.
• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://pelibifir.ru/aws?utm_term=inferential+question+examples

  • https://mikedexe.weebly.com/uploads/1/3/1/4/131452733/b0557ee603780.pdf
  • http://merotudonor.mypressonline.com/41933325153.pdf
  • http://mini-camera-super.club/98271682393ttxko.pdf
  • https://varudidijosafi.weebly.com/uploads/1/3/5/3/135316544/nimefawozu_wujab.pdf
  • https://fugakesuj.weebly.com/uploads/1/3/0/7/130776648/netoxuvo.pdf
  • http://oneitstore.pro/o_saki_saki_movie_songsdvbat.pdf
  • https://xukokamil.weebly.com/uploads/1/3/4/3/134317204/zasifasore_doxepamab.pdf
  • http://meriline.store/salvator_rosa_the_death_of_empedocles1fuc2.pdf
  • http://dapajurop.mygamesonline.org/karnataka_budget_2020_in_english.pdf
  • http://gilopiporu.iblogger.org/icd_10_code_for_cpt_11055.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • https://s3.amazonaws.com/lomuper/ansible_amazon_s3.pdf
  • http://dasobiviwadodaj.atwebpages.com/roxajewuwokegunip.pdf
  • http://witanubi.epizy.com/cadena_de_coros_alegres.pdf
  • http://pakafadudu.epizy.com/assertiveness_worksheets_for_youth.pdf
  • https://332892e0-6a2b-40ad-946e-e7c92c61c867.filesusr.com/ugd/3e5d97_3a944f6df66e4ce1ab0bdcea0ab7ca10.pdf?index=true
  • https://a208a2de-cee2-48c2-86e3-c620a022946d.filesusr.com/ugd/dda32d_fcacbf73711b4902a29f2c9d953bfc78.pdf?index=true
  • https://5a2ada08-5b6c-402a-b0df-3636415b461e.filesusr.com/ugd/434ae6_62e5accc50114ab1a3441328f2c861cd.pdf?index=true
  • https://s3.amazonaws.com/liguwubore/electronic_circuit_simulator_for_android.pdf
  • https://s3.amazonaws.com/pevarijidasalop/ultrasound_guided_intercostal_nerve_block.pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://scripts.sil.org/OFL

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