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://fokemale.ru/strik?utm_term=pioneer+sph-da120+firmware+1.18 PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4453336/normal_5ff1ed54ca13e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366304/normal_603ab90536dc0.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4462736/normal_5fe0282916631.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4478947/normal_6001834191757.pdfIn PDF document text
  • http://kakafeg.scienceontheweb.net/subject_verb_agreement_rules_download.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4368466/normal_5ff2020839824.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4462056/normal_5fe35a2724de9.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4384144/normal_5fc5960f99b60.pdfIn PDF document text
  • http://xorabawik.medianewsonline.com/56443163732.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4427267/normal_606634dc236cc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4471106/normal_6064d14d8a153.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421473/normal_60271f007c4b7.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4368485/normal_5fcdb8547e1eb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4458145/normal_5fd2a433543b4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4428331/normal_6052fce22bf84.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4447270/normal_5fed64ac67e93.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/f5855ed0-bdd3-43ca-a054-43cbfa1b95ef/97366236207.pdfIn PDF document text
  • http://zubiluwetij.myartsonline.com/toro_blower_vac_parts_51591.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/611ec8cb-8aaa-445d-beab-79e96149b59e/fevenudexuzemi.pdfIn PDF document text
  • https://bff5fdab-9fd0-4670-908b-a1308bb5a9cb.filesusr.com/ugd/227d0f_66ef66f8763346208f7593361251f8a8.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/92224432-f4e1-42af-9ded-91a4ebc849c0/samsung_wa48h7400aw_aa_recall.pdfIn PDF document text
  • https://a2c67b61-a01d-4053-b7ad-f1487bca8054.filesusr.com/ugd/24853a_72d3ed0b553a4356a93620f4abf8d596.pdf?index=trueIn PDF document text
  • https://d064ede3-316f-4d13-8ec5-014b2136b3bd.filesusr.com/ugd/154db6_41fff7f93a2a42aeb8ce84d966a3808b.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/71cfe1ef-a1df-4a8f-a31b-0c7e631c4d3c/zimefuf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ea38e0e-6307-4f7b-8ff3-c1f8ce2c9479/western_digital_my_cloud_4tb_setup.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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