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=how+to+set+ignition+timing+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366327/normal_5f894562450ef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387925/normal_5f9510e336056.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369917/normal_5f8a8461d42a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409818/normal_5f9624ed8976d.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000065ed.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000065ed.bin)
  • http://www.opentle.orgIn extracted file (font_01_sfnt_off0000766f.bin)
  • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off0000af29.bin)
  • https://s3.amazonaws.com/zalomi/24226103746.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/assistive_devices_for_cerebral_palsy.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/warrior_cats_bramblestar_s_storm.pdfIn PDF document text
  • https://s3.amazonaws.com/divexikav/96561533119.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/0653/7111/files/1321924930.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3032/3095/files/220651407.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6031/3763/files/black_clover_rebecca.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0601/6674/files/ijoy_logo_headphones_user_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/2000/4761/files/medicare_guidelines_for_rehab.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3870/4284/files/16590730211.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/strona_bierna_angielski_teoria.pdfIn PDF document text
  • https://s3.amazonaws.com/jeworurowam/can_you_feel_the_love_tonight_piano_sheet_free.pdfIn PDF document text
  • https://s3.amazonaws.com/zinudipir/10431448770.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/income_tax_slab_financial_year_2017-_18.pdfIn PDF document text
  • https://s3.amazonaws.com/fojaxexino/48061981869.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_off000065ed.bin)
  • http://www.gnu.org/licenses/gpl.htmlIn extracted file (font_01_sfnt_off0000766f.bin)

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