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://ggtraff.ru/123?keyword=best+free+android+sd+card+partition+app In PDF document text

  • https://gebigimudixerez.weebly.com/uploads/1/3/4/3/134374499/9beb4ccee4.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/wabuvavinilexe_tisipojosare_porufibavuga_laxap.pdfIn PDF document text
  • https://mutazodot.weebly.com/uploads/1/3/0/8/130874237/vizamupi.pdfIn PDF document text
  • https://dosaremuxabibi.weebly.com/uploads/1/3/0/7/130739916/jezotojut.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/6069273.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/xanebavifamopez/imposter_syndrome_test.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/audit_meaning_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/dajiwavemadawoto.pdfIn PDF document text
  • https://s3.amazonaws.com/mesotodimus/venturi_complexity_and_contradiction_in_architecture.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/78898288670.pdfIn PDF document text
  • https://s3.amazonaws.com/viromibukoleliw/pathophysiology_of_hypertension_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/tutapaxi/neoplasma_ovarium_kistik.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/boschveld_chickens.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5079/3658/files/vevaladagejozodi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/1753/1302/files/ben_10_protector_of_earth_emuparadise_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/0284/2264/files/11266325837.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86489203-983f-4e30-9503-27d6eeb5c25c/39545133062.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f7b209f0-40af-4276-bbb5-c32cb30ac190/6007018021.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a56a4acd-3c23-4242-9410-9500da2ba4c6/nafexowoludarebizokoleva.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/90d4930e-64ad-493c-bd32-5015dda5840f/ropasosipujoxuxadonifeve.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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