Malicious PDF — malware analysis report

Heuristics 5

• 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://cctraff.ru/123?keyword=kick+the+buddy+apk+mod+revdl In PDF document text

  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/4009148.pdfIn PDF document text
  • https://dovekawelefirim.weebly.com/uploads/1/3/4/2/134266448/wavorurubelis.pdfIn PDF document text
  • https://warakamaluxib.weebly.com/uploads/1/3/4/3/134378328/46322b3.pdfIn PDF document text
  • https://saxepuxuk.weebly.com/uploads/1/3/4/4/134472003/saborawisibezom.pdfIn PDF document text
  • https://xutetuzaxudekit.weebly.com/uploads/1/3/4/3/134371691/nidotetoli.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/1441493.pdfIn PDF document text
  • https://rurevudo.weebly.com/uploads/1/3/4/2/134265418/3143203.pdfIn PDF document text
  • https://giximelet.weebly.com/uploads/1/3/4/2/134234701/5913962.pdfIn PDF document text
  • https://zalopajozi.weebly.com/uploads/1/3/1/4/131453352/xuluzuwupa-xeloxetekabeni-limur-miwaxivuv.pdfIn PDF document text
  • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/jewedo.pdfIn PDF document text
  • https://dowamiwimeguv.weebly.com/uploads/1/3/0/7/130775936/4192134.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000072f8.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000072f8.bin)
  • https://s3.amazonaws.com/leteraxewe/4586324060.pdfIn PDF document text
  • https://s3.amazonaws.com/nefagolom/bipolar_disorder_indonesia.pdfIn PDF document text
  • https://s3.amazonaws.com/mipeboro/aadhar_card_form_download.pdfIn PDF document text
  • https://s3.amazonaws.com/gulapore/49068011079.pdfIn PDF document text
  • https://s3.amazonaws.com/rujabepifar/lemiwefusiwimisulivi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b8f40c33-0808-467e-8d9b-5345ea7cb84b/85410876220.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ed9a845-2c11-439e-8f8d-abf56e4052e4/98639633690.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9b509af-3498-43a4-b51b-674a84ab697f/12738707318.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/kopafanosekejuvobu.pdfIn PDF document text
  • https://s3.amazonaws.com/foneniz/claves_radiales_bomberos_de_chile.pdfIn PDF document text
  • https://s3.amazonaws.com/dixaleko/nasal_cavity_anatomy.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_off000072f8.bin)

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