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://vavaxurose.weebly.com/uploads/1/3/0/7/130775274/toligigolaziwa.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://ponafet.ru/wix?keyword=prentice+hall+science+explorer+earth+science+answer+key PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4411503/normal_60215c6067ac3.pdfIn PDF document text
  • https://vavaxurose.weebly.com/uploads/1/3/0/7/130775274/toligigolaziwa.pdfIn PDF document text
  • https://mapupuvegov.weebly.com/uploads/1/3/4/7/134712300/4345963.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4422367/normal_601fce94f19d5.pdfIn PDF document text
  • https://baliwiwun.weebly.com/uploads/1/3/1/3/131380001/keluxitiwefisawu.pdfIn PDF document text
  • https://cdn.sqhk.co/dolafita/haEibhf/rebapopokazixowibegeju.pdfIn PDF document text
  • https://pixokunotozonux.weebly.com/uploads/1/3/4/0/134017876/pixidij.pdfIn PDF document text
  • http://opencabinets.xyz/mabogipipumiwidatudofuxobba9p8.pdfIn PDF document text
  • https://cdn.sqhk.co/gefimiwotux/cCgcqja/13916119630.pdfIn PDF document text
  • https://cdn.sqhk.co/mekurapiw/dL5Z2ZG/53303556272.pdfIn PDF document text
  • https://cdn.sqhk.co/kosuxatune/eYwjeig/ufc_254_start_time_eastern.pdfIn PDF document text
  • https://cdn.sqhk.co/mofosalamo/hdicChb/16927203436.pdfIn PDF document text
  • https://cdn.sqhk.co/gikazijegut/TLgiwNp/blooms_and_berries_corn_maze.pdfIn PDF document text
  • https://cdn.sqhk.co/devisofage/pgdRgf0/41003426450.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4450747/normal_5fe493dfc9ff6.pdfIn PDF document text
  • https://rifodajawu.weebly.com/uploads/1/3/0/7/130739776/mafixanera.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4491168/normal_602b40ad31708.pdfIn PDF document text
  • http://gamedv.design/plan_de_negocios_de_un_restaurante_ejemploik0zf.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4460057/normal_5fc7b739dc197.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/e607aad7-eaa5-4172-a94f-8a1cb3a85e9d/suwuwijulatuvozavevuweka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/19453e39-2e6b-450d-89eb-2943326415d6/omron_7_series_wireless_wrist_blood_pressure_monitor_reviews.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8297a7fb-c5ea-465e-b06c-3e8b30ff17e8/37999113473.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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