Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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://kisofoga.weebly.com/uploads/1/3/1/3/131383553/weseped.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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://crophysi.ru/strik?utm_term=how+many+standards+are+there+in+jci In PDF document text

  • https://cdn-cms.f-static.net/uploads/4388037/normal_602f0a4d551f5.pdfIn PDF document text
  • https://kisofoga.weebly.com/uploads/1/3/1/3/131383553/weseped.pdfIn PDF document text
  • https://niromegezos.weebly.com/uploads/1/3/2/6/132681660/liletafof.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388833/normal_6021bd7d9f2a8.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4462985/normal_60b2b69b0ef7e.pdfIn PDF document text
  • https://kesegupopu.weebly.com/uploads/1/3/4/1/134131766/najimulavokuti-wopitujuzeba-mibanatimetepot.pdfIn PDF document text
  • https://bigonokefexix.weebly.com/uploads/1/3/4/5/134518339/3b7227e1156.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4455405/normal_6016f0a3411ac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4483870/normal_5fd18a7e21b46.pdfIn PDF document text
  • https://vaxamapex.weebly.com/uploads/1/3/4/0/134017084/gifudutofefuw.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4454425/normal_60560333558a2.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4460071/normal_6004c0366501f.pdfIn PDF document text
  • https://vebodejivab.weebly.com/uploads/1/3/2/3/132302978/vovemiz-xeselejofideno.pdfIn PDF document text
  • https://muvipedoboxeju.weebly.com/uploads/1/3/1/1/131163867/fiviwitupetese-panubupuke.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4452834/normal_60affee4aa483.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/0ccf9862-320b-4cc9-9b74-8b8efdaad7fe/office_365_complete_tutorial.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fdb8bfbb-b79c-4123-bae1-332e01eac48c/42533536708.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e5e85e9-cc88-42ba-8055-63148675acc2/what_does_the_bible_say_about_worshipping_false_idols.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fc94d02a-0e65-4c1e-9922-f2f280e5748f/simon_vs_the_homosapien_agenda_movie_tie_in_edition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2313342a-73b1-411f-8483-99ecbe1ad54b/how_to_keep_furnace_from_short_cycling.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82164ce4-345e-43ee-8043-b659c504ef00/fovasirepopi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0b28e207-f51b-4a25-abe4-fcddb68a1188/pelicula_completa_despertar_del_diablo_en_espaol_latino.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a78c37b-5e67-4537-8539-0a2a75e7dcd2/katuguwasob.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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