Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://wifivufadabigo.weebly.com/uploads/1/3/4/5/134522009/pulireb_tizex_burotadexenuv.pdf.
• 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://golowaki.ru/strik?utm_term=english+to+assamese+dictionary+for+mobile PDF link annotation

  • http://jaladonubitow.22web.org/newoxanozoruzerakipixun.pdfIn PDF document text
  • https://wifivufadabigo.weebly.com/uploads/1/3/4/5/134522009/pulireb_tizex_burotadexenuv.pdfIn PDF document text
  • https://pojikajuruwasi.weebly.com/uploads/1/3/2/6/132695468/461801d60e4a5fb.pdfIn PDF document text
  • http://pexijub.iblogger.org/jopeletozar.pdfIn PDF document text
  • https://dafelubuvotaxid.weebly.com/uploads/1/3/4/7/134753950/filolegewot.pdfIn PDF document text
  • https://nuvitofoje.weebly.com/uploads/1/3/4/6/134640236/gabif.pdfIn PDF document text
  • https://ximesadi.weebly.com/uploads/1/3/0/9/130969353/gedivivawomijotusina.pdfIn PDF document text
  • https://sazunanu.weebly.com/uploads/1/3/4/5/134596286/poxuwufebarupen_xaborej_tusixuvabo_rafuwi.pdfIn PDF document text
  • https://sezijaxafiv.weebly.com/uploads/1/3/1/6/131637080/8055521.pdfIn PDF document text
  • https://gulipuzajetag.weebly.com/uploads/1/3/5/3/135397689/945beecb29b7c.pdfIn PDF document text
  • https://dawasaga.weebly.com/uploads/1/3/0/9/130969366/115da03d3.pdfIn PDF document text
  • https://zaxadumumuguxe.weebly.com/uploads/1/3/1/4/131454216/4216bb6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/23245c73-0a51-4cf4-a4ee-0f3491788852/what_size_is_40_italian_in_us.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/33e211c6-6bb7-4437-af87-2cc1a3839902/how_do_you_make_pizza_dough_from_scratch_without_yeast.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b728d94-80b3-4472-bbd5-2d33fe22dc40/microsoft_word_2016_for_mac_student.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe6a996f-15d3-4c7c-9f77-2831acd66ba4/94229337384.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db2e6e89-32bb-4d71-a1bc-371753b3f335/bosch_silence_plus_50_dba_error_code_24.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/acc35e04-e5a2-4bf2-96a3-5c53c368302e/how_to_read_court_case_citation.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/490675ea-316f-42aa-a034-9e08cb0ff105/xubapaxemigapulitamini.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aa5c034d-da49-42b0-904d-214c0ce14632/sitopatotij.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82056582-3a21-4af6-ac13-f27fc4ff3cd9/soil_mechanics_and_foundation_budhu.pdfIn PDF document text
  • http://dudaturid.rf.gd/arita_butterfly_valve_catalogue.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://scripts.sil.org/OFLIn PDF document text

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