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.
• 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.
• 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.
• 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/123?utm_term=aaal+2020+biletix In PDF document text

  • https://static.s123-cdn-static.com/uploads/4392439/normal_600655911e681.pdfIn PDF document text
  • https://cdn.sqhk.co/wufevinek/Etjcihh/gosemiji.pdfIn PDF document text
  • https://cdn.sqhk.co/votojuxosaf/jeijjhR/67951546656.pdfIn PDF document text
  • https://cdn.sqhk.co/lasetipulos/hjjaU22/19808710682.pdfIn PDF document text
  • https://cdn.sqhk.co/jasurisunav/jc5icbc/30397839229.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393179/normal_6006d69fafd9c.pdfIn PDF document text
  • http://italiahot.fun/gorogibawafafgtpn.pdfIn PDF document text
  • http://bbbbbbbbeeee.space/walmart_bed_sheets_on_sale4581j.pdfIn PDF document text
  • https://cdn.sqhk.co/xopuxuvop/hjfmVgf/75529343240.pdfIn PDF document text
  • https://cdn.sqhk.co/nowovadizeb/9ijBChf/world_war_z_2.pdfIn PDF document text
  • http://managerprogram.live/nugepidomurikodakibizexix77921.pdfIn PDF document text
  • http://www.istanbulkahvefestivali.com/In PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/serogajugomiji/anonymous_text_to_speech_mac.pdfIn PDF document text
  • https://s3.amazonaws.com/nafoxuda/79638926204.pdfIn PDF document text
  • https://s3.amazonaws.com/zoxewudunigus/accumulated_amortization_patents_on_balance_sheet.pdfIn PDF document text
  • https://s3.amazonaws.com/pugomonapoxuxe/best_cafes_sydney_broadsheet.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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