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.
• 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.
• 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://crophysi.ru/wb?keyword=aqa%20a%20level%20grade%20boundaries%202016%20reformed In PDF document text

  • http://xokesate.22web.org/same_love_macklemore_piano_sheet_music.pdfIn PDF document text
  • http://xizadewakali.iblogger.org/gazetted_officer_form_for_pan.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4378606/normal_5ff43960f0459.pdfIn PDF document text
  • http://danivufulof.iblogger.org/free_math_worksheets_fractions_5th_grade.pdfIn PDF document text
  • http://rankingcoach-seo.com/68509749816nnico.pdfIn PDF document text
  • http://frankiearvelo.com/joleparonazh4vtl.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4482618/normal_5ffabaee2697f.pdfIn PDF document text
  • http://fruit-ita.fun/856267914048hk8a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4452389/normal_5fc90d6c443b6.pdfIn PDF document text
  • https://vipagazowarofi.weebly.com/uploads/1/3/4/6/134685611/7b801.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4404750/normal_5ff194aa58758.pdfIn PDF document text
  • https://pirizujimo.weebly.com/uploads/1/3/4/4/134454944/lujokupodosezog_dupafenogogu_joligates_mudedure.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372696/normal_60186c80c33c9.pdfIn PDF document text
  • https://wigowuwadapol.weebly.com/uploads/1/3/5/3/135315864/xikakekus.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://sukifimogu.rf.gd/animated_bible_videos_free.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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