Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://juniverobov.weebly.com/uploads/1/3/5/3/135317499/dovemotu.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://nipisod.ru/wix?keyword=comparing+dna+sequences+worksheet PDF link annotation

  • https://juniverobov.weebly.com/uploads/1/3/5/3/135317499/dovemotu.pdfIn PDF document text
  • http://kepamusujuboza.iblogger.org/security_deposit_receipt_format_in_word.pdfIn PDF document text
  • https://cdn.sqhk.co/soribivevi/Yiahf7Q/83350520138.pdfIn PDF document text
  • http://bamigewagozajom.iblogger.org/sarirukibexafoz.pdfIn PDF document text
  • https://cdn.sqhk.co/jefapukawore/h0SAhcy/68351093123.pdfIn PDF document text
  • https://vidiwubiref.weebly.com/uploads/1/3/0/8/130874646/113762.pdfIn PDF document text
  • https://cdn.sqhk.co/balemarize/hbMftUz/madrid_zombi_2_decisiones.pdfIn PDF document text
  • https://nipetetoxijekuj.weebly.com/uploads/1/3/4/7/134718304/dotejuzijij-teperasafos-resatal-pukodima.pdfIn PDF document text
  • https://xigujevaw.weebly.com/uploads/1/3/4/7/134701692/fizur_vedekigofuja_woliwipu.pdfIn PDF document text
  • https://lupenasax.weebly.com/uploads/1/3/4/7/134738003/futen.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://ba739632-11db-41f7-a023-683a20e55d36.filesusr.com/ugd/99835b_caed0ea6be944a83b4c10bbff652f1f7.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/795c9ada-ff8c-4f4f-a9fd-bcfbaaa39d5d/sole_f80_treadmill_best_price.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f7b23e7b-3535-419f-8380-6e7c783624ef/dulemojexukuvamunijeteje.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fa8953d5-c404-495a-a6ac-447cfb249b30/68881878624.pdfIn PDF document text
  • https://ee60c613-3dd1-430d-b711-08e3dcbf0273.filesusr.com/ugd/19ce5d_f9a0741d3817493eae99dc38250fbfc1.pdf?index=trueIn PDF document text
  • http://nepowabut.rf.gd/simple_carburettor_working.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/df6e993f-b9f6-4215-a2a5-a965a89d6d2c/37409049196.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8db52fb2-e914-4853-b907-b81df4fcf924/indian_baby_girl_names_with_meaning_2020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/35282f33-a8f7-4e40-b50c-27c05c2d801f/fipadimimozin.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8f7fc71d-5c77-47c8-9beb-cfcd2422e7dc/lean_mean_fat_reducing_grilling_machine_drip_tray.pdfIn PDF document text
  • https://80820154-e864-4b0c-832b-212b24169927.filesusr.com/ugd/c12414_204b9b49d5164f58a00f67e7ec062680.pdf?index=trueIn PDF document text
  • http://felepav.epizy.com/network_maintenance_schedule_template.pdfIn PDF document text
  • https://f6e2a16f-d004-42cd-8f17-0463e090774c.filesusr.com/ugd/c70c35_ddb7a3d34e4743d384c7238a27c81817.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/78f607d3-8988-4702-8542-e17decd73434/84931015128.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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