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.
• 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.
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://leonvi.ru/123?utm_term=arcadia+group+annual+report+2016+pdf.
• 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://leonvi.ru/123?utm_term=arcadia+group+annual+report+2016+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4368781/normal_6022c5239dba0.pdfIn PDF document text
  • https://s3.amazonaws.com/wiwuxot/papafilivoveludufu.pdfIn PDF document text
  • https://s3.amazonaws.com/voxipanovigepiv/risk_of_rain_2_huntress_item_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/liluvad/saxadofa.pdfIn PDF document text
  • https://s3.amazonaws.com/likerajatob/dragons_of_faerun_3.5.pdfIn PDF document text
  • http://totalcreditcheck.info/sorowaxunizergzbv.pdfIn PDF document text
  • https://s3.amazonaws.com/mokuwanibof/38189286666.pdfIn PDF document text
  • http://familyit.info/daily_language_review_grade_30l2m9.pdfIn PDF document text
  • https://s3.amazonaws.com/mubemutolewe/37051738490.pdfIn PDF document text
  • http://trikotoria.ru/52596760431u3zad.pdfIn PDF document text
  • https://s3.amazonaws.com/wiremeresegikon/happy_birthday_bhai_video_status.pdfIn PDF document text
  • http://reactivascotia2020.com/does_apple_tv_have_verizon_fios_app56u5i.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4493195/normal_6050df249d6f9.pdfIn PDF document text
  • http://alkim.xyz/80016361qe2b2.pdfIn PDF document text
  • https://s3.amazonaws.com/safenalavojuwu/easl_guidelines_hepatitis_b_2009.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://64e18f06-8a0e-4dc1-8427-9dd81b4bff36.filesusr.com/ugd/baa514_e4d2c3fdf92f400aaa628e24e4c64d9f.pdf?index=trueIn PDF document text
  • http://rameselutem.epizy.com/adobe_premiere_pro_download_free_full_version_hindi.pdfIn PDF document text
  • http://tefolinum.epizy.com/plan_architecture_maison.pdfIn PDF document text
  • https://aa6d2f86-95e2-42cc-897e-6bbd71c3a116.filesusr.com/ugd/78daac_1afeb373beab4d098c328d8ac5bfec79.pdf?index=trueIn PDF document text
  • http://vefuvepux.epizy.com/split_merge_files_free.pdfIn PDF document text
  • http://nelaxufap.rf.gd/bibezomonigexu.pdfIn PDF document text
  • https://abc5f1b3-ad37-4660-b048-d9bff2240d70.filesusr.com/ugd/a1fb68_27edde40cef6473690089ec83ee01e4f.pdf?index=trueIn PDF document text
  • http://rozafibadajowo.epizy.com/18591885512.pdfIn PDF document text
  • https://77483064-5892-4b52-b419-66e751946b77.filesusr.com/ugd/ef7b09_8290e6fedebd4cf8b775c5e46f195135.pdf?index=trueIn PDF document text
  • https://a815f367-2516-4b88-9496-eed07d5c1eb7.filesusr.com/ugd/665c20_744ab6dc6e29498abab9b966d4fa69d9.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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