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.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://botokaw.ru/award?keyword=personal+selling+skills+pdf PDF link annotation

  • http://intereriia.com/nikon_d5100_manual_focus3q81f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4485172/normal_5fd0337ccf430.pdfIn PDF document text
  • http://privateguardingserviceagainstdanger.site/668701999445dta4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392656/normal_6024c5c0c0096.pdfIn PDF document text
  • http://raxuzasi.iblogger.org/kajumozitabopawixika.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418991/normal_602e2272e985c.pdfIn PDF document text
  • http://texno3ua.com/54362829633f0blw.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4484807/normal_601dbe5a77dd8.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://d1159ab4-cbf5-42eb-897b-83a5e94cd7da.filesusr.com/ugd/536122_234ebded53db49b786973544aabca8ad.pdf?index=trueIn PDF document text
  • https://22fea36a-5e19-4af1-b4aa-fe6e1efe0ee9.filesusr.com/ugd/b5a188_5c6b5ff45298478fbc226a6ba055050b.pdf?index=trueIn PDF document text
  • http://xatudoxi.epizy.com/nolorinonajopagugetotew.pdfIn PDF document text
  • https://s3.amazonaws.com/zafirawit/balearia_ferry_ibiza_formentera_horarios.pdfIn PDF document text
  • https://s3.amazonaws.com/wujapu/26919655033.pdfIn PDF document text
  • https://05f6fcc2-a4c7-4d5b-b58c-97b640a93f4d.filesusr.com/ugd/74147a_44f422cb62eb4374a897379b36705eb8.pdf?index=trueIn PDF document text
  • https://f7cac2f2-528f-490f-9bef-cb2448a877de.filesusr.com/ugd/529ba0_6016621342af4c48bfa51a76d6ac93b5.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/purixifusipelid/11323652467.pdfIn PDF document text
  • https://1a2149e7-ca7f-4e7c-a584-0e483de6f3af.filesusr.com/ugd/9219f8_c3d01682f64b4dbe8ffa661c45bb5c28.pdf?index=trueIn PDF document text
  • https://042e50b4-45d0-4577-915a-c14d43ab21ad.filesusr.com/ugd/18f527_fd50589bc72c4cafbf6966a89dab191a.pdf?index=trueIn PDF document text
  • http://sejilamule.rf.gd/measures_of_the_interior_angles_of_a_convex_polygon_with_n_sides.pdfIn PDF document text
  • https://a2ae8793-a99f-480d-a3bc-849ef63d34f7.filesusr.com/ugd/cc207a_f5c14880a2534f1c8587466e94a7f119.pdf?index=trueIn PDF document text
  • https://5e20aa6b-77ef-4f11-9344-5454fb7c649c.filesusr.com/ugd/fb3aa9_fea2f0f8b0264d0eb39823471354f90c.pdf?index=trueIn PDF document text
  • https://e437b920-fa79-41d5-b67c-0ca059f4e77a.filesusr.com/ugd/d97c10_93e12135e8404253a80b4ce9f6bb1345.pdf?index=trueIn 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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