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://traffset.ru/aws?keyword=watch+jumanji+2017+123+movies PDF link annotation

  • https://sazaxadapu.weebly.com/uploads/1/3/4/3/134330736/8178284.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/sazariwapa/fason.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d80b4427-6488-43ce-9d4a-777c02876252/34248872977.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4b0e724b-1387-4139-a16c-293fcbc58fd5/98877179564.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bd782656-59f0-4cf2-ab7c-a0fc1fee1087/bsf_john_lesson_9_day_2_1_peter.pdfIn PDF document text
  • https://s3.amazonaws.com/bulalowisu/boombot_2_unblocked.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/12d83bb1-a25a-4b3e-8474-47873e15c9ec/90648758628.pdfIn PDF document text
  • https://s3.amazonaws.com/jazuravazaguz/variable_valve_timing_intelligent_system.pdfIn PDF document text
  • https://s3.amazonaws.com/bulozor/god_and_philosophy_antony_flew.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd942ce9-c420-402d-abe1-ab314a60244e/the_division_2_hack.pdfIn PDF document text
  • https://wafaruk.files.wordpress.com/2020/11/4518739936.pdfIn PDF document text
  • https://s3.amazonaws.com/jenagubadopi/airline_two_letter_codes.pdfIn PDF document text
  • https://favasesufut.files.wordpress.com/2020/11/afpsat_registration_form.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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