Malicious PDF — malware analysis report

Heuristics 6

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://cctraff.ru/123?keyword=bigo+live+connector+android+ke+android In PDF document text

  • https://vabejodero.weebly.com/uploads/1/3/4/3/134378136/sitiwuvukenemexabil.pdfIn PDF document text
  • https://zukamukenipebo.weebly.com/uploads/1/3/1/3/131380388/gedizavetokuzir_resorube_jizikamokatuwe_tonad.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/e58e85.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/xududev-ledavodu-jatulivarolaxe-bixebenal.pdfIn PDF document text
  • https://xedaliwim.weebly.com/uploads/1/3/1/4/131454603/xegusewi.pdfIn PDF document text
  • https://lokugejepotag.weebly.com/uploads/1/3/4/3/134318746/aa2a97c7c9d.pdfIn PDF document text
  • https://bizumoku.weebly.com/uploads/1/3/2/6/132681494/9274324.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000661f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000661f.bin)
  • https://s3.amazonaws.com/wilugugo/can_can_orchestra.pdfIn PDF document text
  • https://s3.amazonaws.com/wibadinavosunom/ximifitisemikurar.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/pikir.pdfIn PDF document text
  • https://s3.amazonaws.com/jojitagifuva/65376635351.pdfIn PDF document text
  • https://s3.amazonaws.com/busutafitufe/9322783492.pdfIn PDF document text
  • https://s3.amazonaws.com/zevutebulaworel/34162899290.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/levasefazedebib.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/teoria_de_los_agregados_economicos.pdfIn PDF document text
  • https://s3.amazonaws.com/rekorewexidiwo/emotional_intelligence_theory_findings_and_implications.pdfIn PDF document text
  • https://s3.amazonaws.com/fosalizuzu/circle_generating_algorithm_in_computer_graphics.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad0207ef-e5d6-4c42-b114-3b6c5f4dfea3/beginners_guide_to_wicca.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db9f5586-afdc-4875-bed7-0085d535d8de/5830496218.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/59644f2a-28aa-4945-88b6-c9d0a0b0191a/77428587459.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b0dd34a5-d73b-49e7-9b71-c68a74340f72/los_angeles_radiological_society.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 extracted file (font_00_sfnt_off0000661f.bin)

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