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.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://baarspo.ru/wix?keyword=mlg+flappy+bird+mod+apk PDF link annotation

  • http://afracheat8.xyz/juleteneuj2js.pdfIn PDF document text
  • http://privateguardingserviceagainstdanger.site/how_much_does_it_cost_to_build_an_indoor_sports_facilityykqsb.pdfIn PDF document text
  • http://study-english-05.site/import_platform_react_nativeui9ir.pdfIn PDF document text
  • http://jobediniberine.scienceontheweb.net/wosakusovokubawumimeduki.pdfIn PDF document text
  • http://adyga.site/classical_mythology_morford_10th_editionk6kue.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://77da94c0-0f0a-445b-87af-e489a0b5ef66.filesusr.com/ugd/db1da1_c5d38c35b0fe46d3a208e0ee67a20883.pdf?index=trueIn PDF document text
  • https://8c1dc56a-a131-4b43-acff-3635b9115217.filesusr.com/ugd/90423f_19e13c7c1f12493ebe96f2ccadbfe9bc.pdf?index=trueIn PDF document text
  • http://nabafutig.myartsonline.com/putokubano.pdfIn PDF document text
  • https://f61a8d15-835b-4c36-a3db-e4ead73ab13f.filesusr.com/ugd/e9f5f3_bdfa9c0bb4314aa9a010fe3cfada94dd.pdf?index=trueIn PDF document text
  • https://43e3b293-20b6-4b74-9f7d-0eefffb4d2df.filesusr.com/ugd/11595e_698ab701edf54432900b2e981c1aac48.pdf?index=trueIn PDF document text
  • https://8eccd3b7-fb20-4588-a5b5-4d8c58591879.filesusr.com/ugd/0e6328_266f4a44d06644f1ae5ce7bad27357a4.pdf?index=trueIn PDF document text
  • https://7980b0ff-2efe-48f4-a442-6c87bca80713.filesusr.com/ugd/9bd8c3_ee4a5a740f564078b4d509fe7e23118a.pdf?index=trueIn PDF document text
  • http://resilasijajatil.myartsonline.com/blood_type_diet_0_positive.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/06a0d2e8-6871-4cf8-8bc8-e16708798671/lupejiruxofomu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f164577b-140f-42f5-b113-446d30a87994/zowezakaxamiwuninubon.pdfIn PDF document text
  • https://fa202315-5cd5-4006-9a99-7c5d4406650e.filesusr.com/ugd/61804c_5ec45f0c93994b62a68575d3a37f8058.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/bbf1c531-4812-4c91-b296-49b6c601f56b/bigojefejajuwimel.pdfIn PDF document text
  • https://5a995288-ce6f-4ae3-a3e6-14272d8003db.filesusr.com/ugd/7be1cd_8b0b1e498f0b4e3298e037cbf55e7675.pdf?index=trueIn PDF document text
  • https://02aee961-309f-4c8b-9790-08f12c26706e.filesusr.com/ugd/8321db_0ae5dd0fbfe74197be174e427c19c74f.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/cb92ea30-8fef-4b39-91c7-e3acffb2f25a/how_to_fold_graco_pack_n_play.pdfIn PDF document text
  • https://6e7ef639-f89a-4701-86f9-710a836f1183.filesusr.com/ugd/12745a_9cccc7dc4979455eaee56dec4dabe1e7.pdf?index=trueIn PDF document text
  • https://b03e51a8-7171-48c0-94d6-e4c032e6f37f.filesusr.com/ugd/9421c8_1b0a6c0c060d41e591706bf47440c190.pdf?index=trueIn PDF document text
  • https://72dfff08-f6cb-4f5d-aaac-ebe71175d6a6.filesusr.com/ugd/c268f7_215b742b613f41f086bc77240ee4fe36.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

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