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
• 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.
• 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.
• 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://traffine.ru/123?utm_term=mapa+de+m%25C3%25A9xico+antiguo In PDF document text

  • https://cdn-cms.f-static.net/uploads/4412583/normal_5f978f9fde8a0.pdfIn PDF document text
  • https://dumexegutotopu.weebly.com/uploads/1/3/4/3/134354144/gelewijorew-bejuvivuve-jemelivalizi-boxara.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366350/normal_5f8d29720aade.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369900/normal_5f949284b983c.pdfIn PDF document text
  • https://s3.amazonaws.com/tuxenipup/modelling_vs_modeling.pdfIn PDF document text
  • https://wevupifusa.weebly.com/uploads/1/3/4/3/134356286/fudezudubedulo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4422884/normal_5f9af1671c988.pdfIn PDF document text
  • https://s3.amazonaws.com/rixevozajixezos/photoshop_png_brushes.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416132/normal_5f9efe669bc67.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385415/normal_5f8e240cf0a26.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/6aa16e6e-f9a9-46e0-9011-c1238077c3bf/cortana_apk_download_for_android.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f15b36d-45ea-499f-a189-40dfafc99b6f/13636959897.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc1ac0c8787e87989717060/t/5fc3b3a43f75b16643455b57/1606661031856/cvs_cashier_pay.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc1a55868612547ed6365a0/t/5fc8b991b0f45b2a3d2c4b67/1606990227138/microsoft_launcher_apk_old_version.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc0ecff116eb00e3c4c108e/t/5fc7f9956ff1704bbbc2917d/1606941078562/syrian_hamster_wooden_house.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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