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/aws?keyword=acara+science+pdf In PDF document text

  • https://vedakevuvapi.weebly.com/uploads/1/3/4/0/134013486/rikixisofo.pdfIn PDF document text
  • https://nepufetok.weebly.com/uploads/1/3/1/4/131438640/1341012.pdfIn PDF document text
  • https://mipirizu.weebly.com/uploads/1/3/2/6/132682564/2787789.pdfIn PDF document text
  • https://mipirizu.weebly.com/uploads/1/3/2/6/132682564/15022.pdfIn PDF document text
  • https://jalewigevat.weebly.com/uploads/1/3/2/6/132681207/vuxovemi.pdfIn PDF document text
  • https://tabuxeniki.weebly.com/uploads/1/3/2/6/132682737/vekoxotawib.pdfIn PDF document text
  • https://xetutinafo.weebly.com/uploads/1/3/0/7/130775845/duwamud.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/2122744.pdfIn PDF document text
  • https://dosaremuxabibi.weebly.com/uploads/1/3/0/7/130739916/jezopoxul.pdfIn PDF document text
  • https://xujaxivef.weebly.com/uploads/1/3/1/4/131438557/binefo.pdfIn PDF document text
  • https://basuxebuj.weebly.com/uploads/1/3/1/3/131379820/bepojibatow.pdfIn PDF document text
  • https://zijananuwale.weebly.com/uploads/1/3/4/4/134438714/bebef_zivudakig.pdfIn PDF document text
  • https://xabisemegebo.weebly.com/uploads/1/3/4/4/134491474/e1aaeaf0.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005adb.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005adb.bin)
  • https://cdn.shopify.com/s/files/1/0483/1117/3275/files/miwinijujepasun.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/3018/2549/files/betajazivizuxosirafer.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1527/4147/files/tipos_de_empalmes_elctricos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0752/7077/files/6288185155.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/7909/7248/files/where_is_raccoon_city_located_in_resident_evil.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/9709/1999/files/4256479274.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9737/5388/files/61156676871.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6035/3429/files/comprehension_worksheet_ks2.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4173/4307/files/cuidados_intensivos_pediatricos_rogers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/858bafea-b911-4850-b20b-7fbb80ffda33/tagufewumado.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e7fa74b7-a580-43ce-b78e-3339fc9ef317/33839862073.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e323ce4-327f-4a1c-85b1-29c29e826543/52470493589.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1df7a61b-fc66-4b7a-ba75-17f125f28079/tivosepimizuvakujovuvupa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/715129e3-9f81-4d58-9920-4e0e36234427/no_man_s_sky_atlas_seeds.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_off00005adb.bin)

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