Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• 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://leonvi.ru/aws?utm_term=inkscape+svg+font+editor+tutorial PDF link annotation

  • https://cdn.sqhk.co/jopubelo/djCmIbi/youth_hockey_kearney_ne.pdfIn PDF document text
  • https://cdn.sqhk.co/wafudovop/2jfXicG/vikings_spin_off_series_valhalla.pdfIn PDF document text
  • http://rosutob.getenjoyment.net/bersa_thunder_380_pocket_holster.pdfIn PDF document text
  • http://pofaduxiruk.getenjoyment.net/jobasidifan.pdfIn PDF document text
  • https://jamojibo.weebly.com/uploads/1/3/5/3/135349767/8b16532e7657.pdfIn PDF document text
  • https://xafusotegemuwif.weebly.com/uploads/1/3/5/3/135304795/5da2ba9ce2864.pdfIn PDF document text
  • https://cdn.sqhk.co/zakolemafemo/gfajjij/hairy_bikers_fast_food_recipes.pdfIn PDF document text
  • http://fajujefa.getenjoyment.net/public_relations_job_description.pdfIn PDF document text
  • https://cdn.sqhk.co/tunuviju/VEgd7X1/50446700351.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/nevovumowa/best_bible_verses_app_for_android.pdfIn PDF document text
  • https://s3.amazonaws.com/jusagi/whirlpool_duet_washing_machine_error_code_f6.pdfIn PDF document text
  • https://s3.amazonaws.com/levumoduf/asma_bronquial_gina_2017.pdfIn PDF document text
  • https://s3.amazonaws.com/xenavuxa/medela_harmony_manual_breast_pump_argos.pdfIn PDF document text
  • https://s3.amazonaws.com/goviwigax/berkeley_db_windows.pdfIn PDF document text
  • https://s3.amazonaws.com/garorowa/15176580703.pdfIn PDF document text
  • https://s3.amazonaws.com/dogevazapiwediw/analogy_examples_for_competitive_exams.pdfIn PDF document text
  • https://s3.amazonaws.com/liwara/20459540035.pdfIn PDF document text
  • https://s3.amazonaws.com/gurafoga/nugajatapagudedo.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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