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-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LURE
  PDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
• 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://soxebez.ru/strik?utm_term=the+challenge+inferno+2+ep+3 PDF link annotation

  • https://nelejezubifub.weebly.com/uploads/1/3/1/4/131406077/17263.pdfIn PDF document text
  • http://ygrash.website/sowexeneler8235u.pdfIn PDF document text
  • https://cdn.sqhk.co/xonepogafix/Ngiicih/top_growth_players_fifa_20.pdfIn PDF document text
  • https://puxipevabama.weebly.com/uploads/1/3/4/3/134308905/koxixabasigewesijelu.pdfIn PDF document text
  • https://sebinegovana.weebly.com/uploads/1/3/4/0/134095930/mawupunibumapal.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401712/normal_60539ad103871.pdfIn PDF document text
  • https://gitapelo.weebly.com/uploads/1/3/2/6/132682700/wikarobap_gumumazerukape_vejafo.pdfIn PDF document text
  • http://securitycheckingbrowservkcom.xyz/31290126717ey69j.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4499021/normal_5feb966631306.pdfIn PDF document text
  • https://cdn.sqhk.co/lemusezilaz/5eNRngg/newspaper_comic_strip_template.pdfIn PDF document text
  • http://rcasino.info/what_are_the_roles_and_responsibilities_of_a_software_tester3r3g0.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cf176ec6-4820-456b-adf9-61e5f06c968f.filesusr.com/ugd/43d598_cc1aa70c6af24fb9a1b202b486f6a6f7.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/forupokisip/chipping_campden_school_uniform_alcester.pdfIn PDF document text
  • https://ed4d48c2-14ea-47f5-a89a-b82193587323.filesusr.com/ugd/8ce377_5eacea41d3134e40a8a45dc2fb01b222.pdf?index=trueIn PDF document text
  • https://e53c8fcc-339b-4d8f-83f6-44ddc8c6ace4.filesusr.com/ugd/1ea9c4_d475c058cd1e4d09ac3d98049b51a846.pdf?index=trueIn PDF document text
  • https://d6bf9bfb-c092-4b17-ab9f-91da83e6a9d2.filesusr.com/ugd/d7ad14_3583677060ac4f32ab4040811a7ffde2.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/ligole/umich_cse_course_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/zunaporam/utorrent_free_windows_10_64_bit.pdfIn PDF document text
  • https://de7eff9d-5c50-4122-bb99-ee112abf7a8f.filesusr.com/ugd/db8f21_6ab77dbb94f74d3fbc2bc38d1137316f.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/dofufiri/kanesiwulal.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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