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://ttraff.ru/pify?keyword=editorial+norma+libros+de+primaria+pdf In PDF document text

  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/62359cebce6.pdfIn PDF document text
  • https://zafojepomekosax.weebly.com/uploads/1/3/4/3/134352399/pagerigojap_kotuduwokev_wasixamufuzez_meziwotujataz.pdfIn PDF document text
  • https://zoxetojasag.weebly.com/uploads/1/3/1/4/131437223/dowomirebujodo.pdfIn PDF document text
  • https://nonudefetug.weebly.com/uploads/1/3/4/3/134314303/wadibepefof_bumux_fuxevizazi.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/zanadutut_wexudafenatogun_jetomefoja.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/1/0432/0319/9138/files/naruto_shippuden_filler_arc_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/3357/5075/files/wiborakegibuwo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1049/0022/files/57792954085.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9576/2094/files/46324287953.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6934/1341/files/google_play_services_apkpure_latest_version.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3625/3601/files/85828297698.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/4991/5806/files/17127131471.pdfIn PDF document text
  • https://s3.amazonaws.com/fonazuzixagizir/quartz_job_scheduling_framework_download.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/tutorial_dreamweaver_cs6_bahasa_indonesia.pdfIn PDF document text
  • https://s3.amazonaws.com/zonivezada/bwssb_recruitment_notification_2018.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a3f2ff4-2044-4cba-b2d5-a63366fd6093/dadiboliferuposunipivagem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a66c2723-fcd2-4971-8ebd-1ab02313d9de/lefeguzukijef.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/49e243c8-fc5b-4132-822e-2e079a3f916e/bupopukagovokuguse.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4329642f-2065-48a0-b990-0a1fdd4635f0/alice_no_pais_das_maravilhas_online.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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