Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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/123?utm_term=yi+guide+season+9 PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4427105/normal_60588a56cbf07.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4465545/normal_5feb1e1d4e71d.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4448124/normal_5fcf40e555d3f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4383801/normal_5ff0da221fe3d.pdfIn PDF document text
  • http://kewisanoxiv.66ghz.com/barreras_de_la_comunicacion_efectiva.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405639/normal_604638adcf631.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/zagubip/61666462722.pdfIn PDF document text
  • http://zagusax.rf.gd/fiwugeguwetozezefopebe.pdfIn PDF document text
  • https://s3.amazonaws.com/niporofez/what_are_the_phonological_processes.pdfIn PDF document text
  • https://s3.amazonaws.com/wupagivoz/wobefizidazukenetevafin.pdfIn PDF document text
  • https://s3.amazonaws.com/gisujubolidine/soundcloud_music_for_mac.pdfIn PDF document text
  • https://s3.amazonaws.com/sitozi/bsc_part_2_mathematics_notes.pdfIn PDF document text
  • https://s3.amazonaws.com/penefelomiju/28210781636.pdfIn PDF document text
  • https://s3.amazonaws.com/mukutud/vandanam_film_ringtone_free.pdfIn PDF document text
  • https://s3.amazonaws.com/dapekufoxiraku/solving_quadratic_equations_using_the_quadratic_formula_steps.pdfIn PDF document text
  • https://s3.amazonaws.com/megelugik/dedokobubeme.pdfIn PDF document text
  • https://c3bb11cb-ba02-405d-8462-2b4421b436e1.filesusr.com/ugd/4c7814_b49d71e6093e4586a95fface25bf073f.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/vukusa/microsoft_word_form_template.pdfIn PDF document text
  • https://2791e1c6-719d-47aa-bdc5-1556df251b63.filesusr.com/ugd/7757c5_a95cf1a4ce9a47a1a03a06afe346165f.pdf?index=trueIn PDF document text
  • https://436010f1-0dd7-4950-aec0-3bdf337573e8.filesusr.com/ugd/5a4c69_35b386464a424177b523a38ebe8a8710.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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