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.
• SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
  PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
• 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://cctraff.ru/aws?utm_term=airdroid+apk++for+windows In PDF document text

  • https://nigupisotaku.weebly.com/uploads/1/3/4/3/134374455/peferitupafinu_wivawole_bejowu_guzeni.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413846/normal_5f95b5df77047.pdfIn PDF document text
  • https://jozokuxig.weebly.com/uploads/1/3/2/8/132814463/dumenesiwuviput.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403960/normal_5f9da35f222e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378855/normal_5f8fd926d8598.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383679/normal_5f96f61c64fe4.pdfIn PDF document text
  • https://fusemikak.weebly.com/uploads/1/3/4/6/134649426/8e025784469ec74.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/laradusa/funuxesemoxed.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/943d535f-e26e-4006-a076-65da0f783193/ben_hulse_elementary_registration.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e81f8e95-00c2-404d-9c32-bb4e408d9b08/33937775316.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/08cb1341-a588-4f2d-9e34-6572b8d1c470/81610927553.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/05b55d47-e5d9-458d-b228-35bab81fdf91/8222030410.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c2edfc85-d921-4f66-a840-338e8082eb11/reading_comprehension_sheets_for_gra.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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