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.me/123?keyword=ejercicios+abreviaturas+siglas+y+acronimos+pdf In PDF document text

  • https://worozimovazez.weebly.com/uploads/1/3/1/4/131406108/wejibogoz.pdfIn PDF document text
  • https://tabuxeniki.weebly.com/uploads/1/3/2/6/132682737/7964045.pdfIn PDF document text
  • https://sisaseno.weebly.com/uploads/1/3/0/7/130776680/vepolekiwa.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/7360136.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366337/normal_5f8f3a5a03de7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367960/normal_5f90eca9915e3.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000901d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000901d.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000c9f6.bin)
  • https://uploads.strikinglycdn.com/files/b5858ca9-eaca-484a-93a3-1db06511b59e/vulubolakopotiv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0de12166-befa-44cc-8f46-1085c7e9faf8/nefepate.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8d2e374-9d79-42f5-a19c-8b2c7e71c1a0/27687890637.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/58b3162c-3527-41dc-b998-f7691fd9b30d/wuloxiwareje.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d7481e1-6a5b-465c-a55e-9404c4aebd34/gugomarozaza.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/1568/3743/files/xejunomif.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/7472/6309/files/the_overachievers_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/7410/0634/files/31647685352.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/9692/3030/files/59935978561.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4764/8406/files/11870524351.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/2916/3932/files/vogele_paver_1800_3_parts_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9916/8163/files/91903922938.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c45074ff-33bf-4742-8e3a-5e350b040f36/pozuzuxarirokuru.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c94759f8-b8e3-467c-9cc0-c566efcac4e3/68284864084.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/184ce584-9a18-4abf-9333-465adcd9f449/gumolugizuta.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ba53cd2-719a-466b-9ecb-7efdca119d38/58443565367.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/58843a72-7bcf-4bce-8573-e5779a525cea/97582455686.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 extracted file (font_00_sfnt_off0000901d.bin)

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