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://ttraff.me/123?keyword=examples+of+vowel+assimilation In PDF document text

  • https://cdn-cms.f-static.net/uploads/4387031/normal_5f8dde42ee9a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366625/normal_5f87500c87771.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367303/normal_5f95d656db63d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367914/normal_5f95b975d9be2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407314/normal_5f976432bf850.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00008184.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00008184.bin)
  • http://www.opentle.orgIn extracted file (font_02_sfnt_off000092ff.bin)
  • https://s3.amazonaws.com/vuraradaso/bus_eireann_100x_timetable.pdfIn PDF document text
  • https://s3.amazonaws.com/fuwawibu/aspects_in_vedic_astrology.pdfIn PDF document text
  • https://s3.amazonaws.com/wenobagupexekap/78471122735.pdfIn PDF document text
  • https://s3.amazonaws.com/ruzumeb/52003322993.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8991/2491/files/31000458532.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/6332/6358/files/32836377308.pdfIn PDF document text
  • https://s3.amazonaws.com/xalasawu/75682128756.pdfIn PDF document text
  • https://s3.amazonaws.com/purixifusipelid/present_perfect_already_yet_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/sasufufa/ielts_speaking_topic_vocabulary.pdfIn PDF document text
  • https://s3.amazonaws.com/rizijubovapuk/29662702979.pdfIn PDF document text
  • https://s3.amazonaws.com/remeranexe/uncle_tom_s_cabin_analysis.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/rolole.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/5941/8553/files/49812395809.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/0651/3311/files/17819979435.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8548/7516/files/guide_to_common_soapmaking_oils.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/9785/2577/files/xomibe.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_01_sfnt_off00008184.bin)
  • http://www.gnu.org/licenses/gpl.htmlIn extracted file (font_02_sfnt_off000092ff.bin)

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