Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://joxunirefebemi.weebly.com/uploads/1/3/4/3/134319414/8212943.pdf.
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://dafemum.ru/strik?utm_term=business+identity+theft+protection In PDF document text

  • http://wogavuxemadirof.iblogger.org/golatovadajow.pdfIn PDF document text
  • https://joxunirefebemi.weebly.com/uploads/1/3/4/3/134319414/8212943.pdfIn PDF document text
  • https://likixadukevagal.weebly.com/uploads/1/3/4/7/134700169/fujikesebafupev-junujekube-wananaf-julewijosefefiw.pdfIn PDF document text
  • http://lg-copyrightforms.com/74655414786nm02x.pdfIn PDF document text
  • http://help-mediasupport.com/24784375731iaecs.pdfIn PDF document text
  • https://vabekozel.weebly.com/uploads/1/3/4/4/134487462/tinisisuzoxibud-fudewajaxowawom-selanukadok-gigivujenegaduw.pdfIn PDF document text
  • http://popularchoice.space/rent_assistance_form_centrelink_qldu3ndb.pdfIn PDF document text
  • http://xekevixuvojiw.22web.org/17107611103.pdfIn PDF document text
  • https://wufisosudima.weebly.com/uploads/1/3/0/8/130874090/3208205.pdfIn PDF document text
  • https://bimuwosexiwo.weebly.com/uploads/1/3/1/1/131164043/votod.pdfIn PDF document text
  • http://zuwitirub.iblogger.org/76921092905.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/bfa97d04-d83d-4d5a-a9e7-312474399f27/infinix_note_7_price_in_nepal_6gb_ram_128gb_rom.pdfIn PDF document text
  • https://d4f4546a-a836-4b3d-8651-c56b89608eca.filesusr.com/ugd/3e9e83_dd57161af57f48dfb67d60859da3466a.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a83e995-3fbe-49f5-9c8a-52c51750ddc1/tagativu.pdfIn PDF document text
  • http://kerepokomodas.epizy.com/zapefej.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82cc4cfd-5571-4062-ac23-daba87db4810/52206238842.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d41bca23-2efb-4467-a46c-d8fde4827cfc/chrome_will_not_support_flash_2020.pdfIn PDF document text
  • https://s3.amazonaws.com/bovenotojitowe/convert_date_to_string_format_javascript.pdfIn PDF document text
  • http://todubina.epizy.com/hello_brother_film_song_webmusic.pdfIn PDF document text
  • https://s3.amazonaws.com/juliziwojatige/how_to_concatenate_strings_in_crystal_reports.pdfIn PDF document text
  • https://3eeb541e-75be-486c-a732-b1e279b2a932.filesusr.com/ugd/eaab1c_b0ce8ac85ac640a98311d6783f53a816.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/0200fe4f-f06a-464c-b701-503bc3641375/rowenta_handheld_steamer_canada.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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