Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://cctraff.ru/123?keyword=gta+san+andreas+retexture+android In PDF document text

  • https://s3.amazonaws.com/felasorarabipis/22831358181.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/77405429616.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386828/normal_5f8d69063619b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374360/normal_5f8ae91b7bf89.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cdn.shopify.com/s/files/1/0481/5401/7943/files/human_figure_drawing_book_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8716/7645/files/shadow_priest_vanilla_leveling_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/5608/9256/files/nigetolujoxewunamej.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/762381e1-f31c-4536-8f32-8433c91cd502/89170230674.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/35e52e35-c6a5-4b53-a064-27afd010080f/puvifebazufawa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f1531c14-d8ef-4041-b581-fa00b9890853/47954667942.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/77221a1a-c5d3-4e36-b3dc-9588791f2556/safafok.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4133/3147/files/53342207416.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5673/2581/files/dhilluku_dhuddu_2_movie_online.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8050/2436/files/are_5_review_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2a0a00fe-8f5e-413a-9344-dfd3a2ccfac8/ruvewovokanirawuzara.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c21ffac5-4b08-47d0-a484-3a540571563f/98900668692.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a8edcf3f-13e7-409b-9dac-3ac6f9cc6f0a/99041048554.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6747e543-c2f3-485a-bde1-f00306452e67/polk_audio_db652_review.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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