Malicious PDF — malware analysis report

Heuristics 6

• 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 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.
• 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://cafij.co.za/YmrXLWy8?keyword=o%20que%20%C3%A9%20sistema%20operacional PDF link annotation

  • https://wojipinokogax.weebly.com/uploads/1/3/4/8/134863097/1f64d15df.pdfIn PDF document text
  • https://pavafilapaf.weebly.com/uploads/1/3/5/3/135306960/livowukobidebu.pdfIn PDF document text
  • https://kofaxikizija.weebly.com/uploads/1/3/4/3/134336932/1dd386.pdfIn PDF document text
  • https://lupigufenof.weebly.com/uploads/1/3/4/5/134509144/zuvosufa.pdfIn PDF document text
  • https://wetivaxidufe.weebly.com/uploads/1/3/4/8/134891283/1110639.pdfIn PDF document text
  • http://inbeeldt.nl/userfiles/file/tapifexogodijebegujirix.pdfIn PDF document text
  • https://karmak-makina.com/upload/files/17385282546.pdfIn PDF document text
  • http://tasarimak.com/ckfinder/userfiles/files/92052329405.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/79990498644.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16212ff5a53190---bukolitapifomuzuxazim.pdfIn PDF document text
  • https://zavinuso.weebly.com/uploads/1/3/4/4/134461772/dusije_kotenipumarole_raxid.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622c01acd488b---vevibesisifilarige.pdfIn PDF document text
  • https://watchsalon.rs/files/davubidote.pdfIn PDF document text
  • https://xotoxagat.weebly.com/uploads/1/3/4/7/134753993/7aee2217e.pdfIn PDF document text
  • http://nachhilfeschule.havonix.com/ckfinder/userfiles/files/jejexesedabeku.pdfIn PDF document text
  • https://rofexelugikovu.weebly.com/uploads/1/3/4/7/134732340/18309ad.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/22484920228.pdfIn PDF document text
  • https://bevarepovorumi.weebly.com/uploads/1/3/2/3/132303359/8678035.pdfIn PDF document text
  • http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/zidedexadufunorekato.pdfIn PDF document text
  • http://baikalspring.ru/ckfinder/userfiles/files/99015295363.pdfIn PDF document text
  • https://dubinusuna.weebly.com/uploads/1/4/1/2/141249671/lolufixarevizox.pdfIn 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/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0000dab6.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000dab6.bin)

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