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://yafferge.ru/wix?keyword=musically+fans+no+survey+or+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369782/normal_5fe994175b6aa.pdfIn PDF document text
  • http://tiktokhd.design/prsu_b._ed_syllabuslugrl.pdfIn PDF document text
  • http://rukozhop-guide.com/free_printable_christmas_cryptograms_with_answersypffm.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392860/normal_5fda55bce5e7d.pdfIn PDF document text
  • https://rogubofiduga.weebly.com/uploads/1/3/1/0/131069879/0575c2fa.pdfIn PDF document text
  • http://onlajn-kassa.ru/beetalk_apk_3._0._0rk6if.pdfIn PDF document text
  • http://lazerepil.site/75641217534b9x52.pdfIn PDF document text
  • http://hookup668.site/cg_song_video_hd_freeq8toi.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4384642/normal_5fc830ca20bcd.pdfIn PDF document text
  • https://sewimoranekodov.weebly.com/uploads/1/3/0/9/130969375/javikidulezoralukada.pdfIn PDF document text
  • http://tacfitproducts.com/stickman_fights_vs_zombies_escape_game3fhh3.pdfIn PDF document text
  • http://requiredjokblog.com/gezemasudizapojarzzff.pdfIn PDF document text
  • http://prizinsta24.online/ice_age_adventures_mod_apk_unlimited_everything_downloadlnq75.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4467926/normal_6015f34527bd8.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/limewub/bobol_wifi_tanpa_root_dengan_android.pdfIn PDF document text
  • https://s3.amazonaws.com/lusegokaves/cbt_worksheets_for_separation_anxiety.pdfIn PDF document text
  • https://s3.amazonaws.com/numegubowalonan/public_speaking_samples.pdfIn PDF document text
  • https://s3.amazonaws.com/bidivo/tiresunukanamu.pdfIn PDF document text
  • https://s3.amazonaws.com/lizuseguwix/32681609649.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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