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://trafffe.ru/strik?utm_term=bubble+letters+alphabet+font PDF link annotation

  • https://xusawoji.weebly.com/uploads/1/3/0/7/130739635/182483a4c2e4cf.pdfIn PDF document text
  • https://cdn.sqhk.co/bozadukopufu/hejggeb/zibalasixowefoxovefiledu.pdfIn PDF document text
  • https://cdn.sqhk.co/rufigukuj/38ij568/football_live_score_today_match_watch_online.pdfIn PDF document text
  • https://nenizuve.weebly.com/uploads/1/3/4/6/134615173/juliwavesekaf.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/nerugiraxura/english_speaking_app_for_android.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/54396913919.pdfIn PDF document text
  • https://s3.amazonaws.com/falevi/39688818388.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a67b822e-2e10-48be-bc0c-5282934db03a/jejobu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a0f0120f-4bc5-4f58-be46-77758769f1e6/18691305028.pdfIn PDF document text
  • https://s3.amazonaws.com/jenagubadopi/happy_birthday_song_lyrics_in_tamil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/acd457f6-2605-4d1d-b0bf-f9450c66dac3/posenilujolozapokop.pdfIn PDF document text
  • https://s3.amazonaws.com/xovekolamoxe/15081549129.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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