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=urdu+stories+for+childrens+pdf In PDF document text

  • https://tebamebameden.weebly.com/uploads/1/3/3/9/133997375/kikune.pdfIn PDF document text
  • https://lefedatit.weebly.com/uploads/1/3/0/7/130776734/202d5.pdfIn PDF document text
  • https://voduzivesaduv.weebly.com/uploads/1/3/4/4/134456438/128176.pdfIn PDF document text
  • https://firedisivimi.weebly.com/uploads/1/3/0/9/130969818/2163e316856aed9.pdfIn PDF document text
  • https://bovitala.weebly.com/uploads/1/3/4/4/134497817/kitidakunomufifuvoje.pdfIn PDF document text
  • https://lodirunesu.weebly.com/uploads/1/3/0/8/130874391/bipip.pdfIn PDF document text
  • https://netaluzubik.weebly.com/uploads/1/3/0/8/130813777/vomab.pdfIn PDF document text
  • https://netaluzubik.weebly.com/uploads/1/3/0/8/130813777/fb76908ca8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367916/normal_5f875fbc0ebd2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369322/normal_5f8d7b7b569c8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381318/normal_5f8e1d0c84d45.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369166/normal_5f8a62c873a45.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368243/normal_5f8b2d0daf210.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000075ab.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000075ab.bin)
  • https://s3.amazonaws.com/pazifetanegapu/92906265493.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/asapscience_book.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/ronimowopevasebefiwim.pdfIn PDF document text
  • https://s3.amazonaws.com/kuboki/biological_classification_class_11_mcq_download.pdfIn PDF document text
  • https://s3.amazonaws.com/defujo/jikirufejiwolozoferudedaz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8390/0099/files/fisher_plow_parts_online.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8067/8557/files/android_9_pkq1_name.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8190/1253/files/electrolux_power_nozzle_repair_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/8541/2546/files/86986720429.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c26b37e-aa2b-477d-a571-cfe02823e8d1/torewubenega.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1c898495-ff51-4d8c-ad00-1366f501f645/83408309521.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/84e4cdcd-d24e-41c7-8476-42bca8968103/vilowunanuremizage.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_off000075ab.bin)

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