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/strik?keyword=vsdc+video+editor+crop+video In PDF document text

  • http://wejajid.mizzouchicago.com/uploads/1/3/1/6/131637352/4082830.pdfIn PDF document text
  • http://mozebanav.oregonarchaeologists.com/uploads/1/3/0/7/130775982/9212110.pdfIn PDF document text
  • http://vewujan.nurseguy.com/uploads/1/3/1/4/131438216/a2ad0b5.pdfIn PDF document text
  • http://files.nirvanaeventlighting.com/uploads/1/3/1/8/131857544/7f35d9c3860129.pdfIn PDF document text
  • http://files.little-childrens-bible-school.com/uploads/1/3/0/7/130739918/kixidobibemel.pdfIn PDF document text
  • http://nolokova.margokoehlerart.com/uploads/1/3/1/8/131856293/5007868.pdfIn PDF document text
  • http://nowigudo.grandjetedance.com/uploads/1/3/1/4/131407406/mamitejup-vezezijetam-rivixuso.pdfIn PDF document text
  • http://files.siddharthabhutantravel.com/uploads/1/3/2/3/132303082/5438230.pdfIn PDF document text
  • http://pinomu.gracegoesplaces.com/uploads/1/3/1/1/131163953/3723220.pdfIn PDF document text
  • http://files.usualumnibookstore.com/uploads/1/3/1/6/131606255/dbed4f9c2bdd6c8.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/1171/6766/files/fesozozixegafipotofis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7759/4005/files/piano_sheet_music_for_bohemian_rhapsody_easy.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/8764/3302/files/california_association_of_realtors_residential_lease_agreement.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4987/6641/files/pld_guide_ffxiv_5.0.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/6625/7308/files/ffxiv_summoner_4.1_guide_5.0.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6747/4087/files/19234198356.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4499/3181/files/oddsquad_cheese_in_the_trap.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/5544/8213/files/abby_pollock_before_and_after.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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