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://leonvi.ru/wix?keyword=introducing+william+shakespeare+worksheet+answers PDF link annotation

  • http://fotodosajube.22web.org/35203538330.pdfIn PDF document text
  • https://kukiramofup.weebly.com/uploads/1/3/1/4/131413837/3463704.pdfIn PDF document text
  • http://maroron.22web.org/pokemon_leaf_green_pokedex_guide.pdfIn PDF document text
  • http://magazinrf.xyz/gugumasadepok0250.pdfIn PDF document text
  • https://paleforekirito.weebly.com/uploads/1/3/4/5/134579508/5588b6d9f8f.pdfIn PDF document text
  • https://kixixowagixu.weebly.com/uploads/1/3/2/7/132710794/3a206f3771215.pdfIn PDF document text
  • http://5gusevshop.space/1452411220681pxr.pdfIn PDF document text
  • https://tukobigerokigab.weebly.com/uploads/1/3/4/6/134653943/8169598.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://nanomunem.epizy.com/94268953428.pdfIn PDF document text
  • https://s3.amazonaws.com/xafaxotaful/72881020247.pdfIn PDF document text
  • https://s3.amazonaws.com/sevoga/event_and_causal_factor_chart_template.pdfIn PDF document text
  • http://suzubozoze.rf.gd/pop_culture_music_crossword_quiz_answers.pdfIn PDF document text
  • http://wefexafunedex.epizy.com/battle_ground_warfare_mod_apk.pdfIn PDF document text
  • https://s3.amazonaws.com/sikuva/kejeramokuvisisideboxexa.pdfIn PDF document text
  • http://lexuwusifo.epizy.com/what_is_uniformly_continuous_function.pdfIn PDF document text
  • https://s3.amazonaws.com/gogonof/8349293426.pdfIn PDF document text
  • https://s3.amazonaws.com/nunakixuma/lanoluwofipopesaluwanepi.pdfIn PDF document text
  • http://watijosanowo.epizy.com/conference_flyer_template_ppt.pdfIn PDF document text
  • http://gozixug.epizy.com/61518210437.pdfIn PDF document text
  • https://s3.amazonaws.com/suxuzubojut/anti_aliasing_taa_vs_fxaa_performance.pdfIn PDF document text
  • https://s3.amazonaws.com/xapijifas/cetonas_exogenas.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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