Malicious PDF — malware analysis report

Heuristics 6

• 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.
• PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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/strik?keyword=burton+size+chart In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365551/normal_5f87216a18349.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373778/normal_5f8cc4288e0ad.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367648/normal_5f8b448d85ecd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369671/normal_5f87c9d4ebfba.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376850/normal_5f8ed62a81c0c.pdfIn PDF document text
  • https://pinonomobeberex.weebly.com/uploads/1/3/4/3/134318871/vagomeziku_samevewoxa_novipidavaj.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/aa94aa7f99c.pdfIn PDF document text
  • https://xexovelez.weebly.com/uploads/1/3/0/8/130813416/6384790.pdfIn PDF document text
  • https://luwobidope.weebly.com/uploads/1/3/0/8/130814225/9fa10aa3c3.pdfIn PDF document text
  • https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/ropisugabujo_pumikaxen_xozikateti.pdfIn PDF document text
  • https://s3.amazonaws.com/petuzutemixuvod/act_math_practice_test_2012.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/matobekumagifajesobi.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/bixes.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/35805223290.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/causativa_en_ingles.pdfIn PDF document text
  • http://www.opentle.orgIn extracted file (stream_004_off0000645d.bin)
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000538b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000538b.bin)
  • https://cdn.shopify.com/s/files/1/0498/0054/4418/files/60718371238.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/4494/5051/files/stability_testing_during_product_development.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3608/2844/files/pablo______________por_la_maana_en_el_cuarto_de_bao._prepararse.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/7578/3842/files/84333585593.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/1062/8008/files/manual_tuning_toshiba_tv.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2187/9461/files/analog_and_digital_data_transmission.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/8352/9885/files/xotajugolidulinegijefela.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/2702/6079/files/biblical_family_tree_from_adam.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5289/8739/files/bilonukuve.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9058/3458/files/soxajuteduzisugob.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/9485/7622/files/the_teachers_guide_to_grammar.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://www.gnu.org/licenses/gpl.htmlIn extracted file (stream_004_off0000645d.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off0000538b.bin)

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