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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://jacksth.ru/wix?keyword=a+concise+introduction+to+linguistics+4th+edition+pdf+free PDF link annotation

  • http://termometr-medikal.site/exercise_mathematics_form_2fcwj4.pdfIn PDF document text
  • https://wuxavuzipirugud.weebly.com/uploads/1/3/4/0/134012349/a761d6ce.pdfIn PDF document text
  • http://xonibiz.22web.org/51500494856.pdfIn PDF document text
  • https://wofofubuw.weebly.com/uploads/1/3/2/7/132710679/8184236.pdfIn PDF document text
  • https://bolowotusupiwam.weebly.com/uploads/1/3/5/3/135300352/fabavamaludunapob.pdfIn PDF document text
  • http://enots.space/small_sketch_for_s_pen_toom1826.pdfIn PDF document text
  • https://gejosubirimo.weebly.com/uploads/1/3/0/7/130776575/6c6a38b.pdfIn PDF document text
  • https://rilawexiretik.weebly.com/uploads/1/3/4/2/134267086/a253b8a5bf.pdfIn PDF document text
  • https://fomemifeju.weebly.com/uploads/1/3/4/7/134769467/9123978.pdfIn PDF document text
  • http://zdorovie-vashe-vse.xyz/myanmar_wikipedia_bahasa_melayur1qvr.pdfIn PDF document text
  • http://1xbet-registrat.site/brave_eagle_trainerdh357.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/bogeguva/79315920528.pdfIn PDF document text
  • https://s3.amazonaws.com/farowug/98194040431.pdfIn PDF document text
  • https://s3.amazonaws.com/lomogas/57428562898.pdfIn PDF document text
  • http://dezezefisimel.rf.gd/jasperreports_server_linux.pdfIn PDF document text
  • https://s3.amazonaws.com/libosokune/good_night_quotes_in_english.pdfIn PDF document text
  • http://noxikemudenuma.epizy.com/cuneiform_cartilage_definition.pdfIn PDF document text
  • https://s3.amazonaws.com/gopuze/89825708243.pdfIn PDF document text
  • https://s3.amazonaws.com/sefepugolupalax/blade_runner_1997_video_game.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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