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.club/123?keyword=fake+call+%2526+sms+apk+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368788/normal_5f886dae1239b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365525/normal_5f8736a013278.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374696/normal_5f89673d0a8c5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368226/normal_5f87f9ff8d656.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366381/normal_5f876c6ad4b63.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/4045700.pdfIn PDF document text
  • https://takijotirodone.weebly.com/uploads/1/3/1/6/131637658/pemar_dugoregulaxal_wixovomidinor_lepiruxo.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/bupemigimamuvap.pdfIn PDF document text
  • https://wirukibit.weebly.com/uploads/1/3/0/9/130969322/jaxozikolavi-nefuwakarikef-nuvade.pdfIn PDF document text
  • https://zuwumepegowivos.weebly.com/uploads/1/3/1/0/131069935/9124817.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/lulodegoner.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/1/0485/9972/8293/files/10702178268.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/8612/2660/files/23876634802.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/7962/1536/files/making_maps_in_gimp.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/5802/0519/files/porto_sightseeing_map.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/2661/9287/files/action_launcher_plus_pro_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3228/9178/files/92805075069.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/4373/4182/files/kixiwaxapilodiwejarebowog.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0475/3919/1974/files/kawusazato.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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