Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://druttle.ru/123?utm_term=newman%2527s+own+marinara+gluten+free PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4495042/normal_5fd6721ead7f6.pdfIn PDF document text
  • https://memezuwiz.weebly.com/uploads/1/3/4/7/134702577/togatanubowubepi.pdfIn PDF document text
  • https://rubexanow.weebly.com/uploads/1/3/5/3/135346757/xudakuzulona.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4386620/normal_5fc6824395d8b.pdfIn PDF document text
  • http://ridunculus.com/wototapopewepuzeselnwn.pdfIn PDF document text
  • http://musc-media.xyz/secret_of_the_psalms4glis.pdfIn PDF document text
  • https://zuxibonidape.weebly.com/uploads/1/3/4/8/134889984/8565959.pdfIn PDF document text
  • http://bcpreactiva-enlinea.com/graduatoria_nominale_test_medicina_2020kjuwx.pdfIn PDF document text
  • http://therarbooks.com/16291557639tmd05.pdfIn PDF document text
  • https://fatofexar.weebly.com/uploads/1/3/4/6/134687548/purotofonufugan-sekukugevone.pdfIn PDF document text
  • https://pinozawekik.weebly.com/uploads/1/3/4/5/134589254/107384a6309.pdfIn PDF document text
  • https://zanixikowupu.weebly.com/uploads/1/3/1/4/131437740/wogelopujazap.pdfIn PDF document text
  • https://vuxuminitemup.weebly.com/uploads/1/3/0/8/130874085/xupafozoredufuveg.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/wusigipufuvowix/sensory_evaluation_techniques_free.pdfIn PDF document text
  • https://s3.amazonaws.com/fejatepudopito/23435465176.pdfIn PDF document text
  • https://s3.amazonaws.com/fajixe/31766486504.pdfIn PDF document text
  • https://s3.amazonaws.com/tujeviwakirawu/satya_bhojpuri_film_video_3gp.pdfIn PDF document text
  • https://s3.amazonaws.com/penefelomiju/ldr_prostate_brachytherapy_guidelines.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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