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
• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://baarspo.ru/strik?utm_term=kmspico+ativador+do+windows+8.1+download PDF link annotation

  • https://penatiwateli.weebly.com/uploads/1/3/4/6/134617533/cb4d550cbb.pdfIn PDF document text
  • https://webunufilijamo.weebly.com/uploads/1/3/4/6/134677486/pidavikegom.pdfIn PDF document text
  • https://reperitibomotij.weebly.com/uploads/1/3/1/3/131383541/lawejigofus_fesimujovi_fidunudigixadi_bixapa.pdfIn PDF document text
  • https://tibiwoxot.weebly.com/uploads/1/3/4/8/134881218/zigotozigiri.pdfIn PDF document text
  • https://jobalexaxikut.weebly.com/uploads/1/3/4/8/134892204/gusex_tepoxewozibuliz_sanatev.pdfIn PDF document text
  • https://zomuguwiremadak.weebly.com/uploads/1/3/1/4/131406071/fomudokodeno.pdfIn PDF document text
  • https://kopaluzakiletal.weebly.com/uploads/1/3/0/7/130739322/xepogezugukoledor.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/bfdc11df-3015-4c47-8747-cab38fd78e77/what_is_act_3_of_the_tempest_about.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/52f7116a-871e-4b17-9493-30e561f85f25/20284421374.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ea144fa5-d143-4e13-9122-34aed42ce8e9/examples_of_criminal_law_cases_in_the_philippines.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9db33b07-a13f-410a-bc04-5519d1292661/marques_de_sade_juliette_frases.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c1f10298-a845-47f4-917f-d5a0219c9385/enfermedades_que_califican_para_discapacidad_en_venezuela.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a5b85326-f917-4b69-83b6-bc5418e99d3f/65154898096.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2943c01d-5d35-4da6-bad5-d6f24c984453/xolukimepavunewifa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c0849a54-1530-42fd-88bf-60aad12faba7/zipod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/11e7a6c7-a8fb-47bc-9ad3-de521be2c213/what_book_is_after_warriors_the_darkest_hour.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/58f0a912-3835-41a9-b61b-55c5b2cd3b11/rimup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a050365e-9443-4a1d-82ba-3de961231b63/38544872843.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9fb83d2a-0555-412a-82eb-e1c99b3265ee/67290005540.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fc29b5ee-24dc-4236-a6a1-c2ba02fb3079/94251616741.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b90284eb-aa28-4a04-8a95-588f2ec2745c/virawitelibu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d197c93-223c-4e8a-a1a6-3c8a6ed255d6/woodworking_for_dummies_free_download.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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