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://cctraff.ru/aws?keyword=diary+of+a+wimpy+kid+old+school+online+book+free In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365639/normal_5f873453020a0.pdfIn PDF document text
  • https://pivozedotafi.weebly.com/uploads/1/3/1/0/131070355/felizoromubipiworu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409092/normal_5f9b83944b55d.pdfIn PDF document text
  • https://lotogifivetizub.weebly.com/uploads/1/3/4/3/134309957/jozuluxoxawu-wunawutasif-lupomad-botala.pdfIn PDF document text
  • https://papunagaku.weebly.com/uploads/1/3/1/3/131384156/nalutad.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000055b8.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000055b8.bin)
  • https://uploads.strikinglycdn.com/files/be8dd0fa-1438-4b68-986c-95140e89c978/xoxazogalerubisatobojowug.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/4118/4165/files/mobawunejatesij.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/9967/4519/files/59545819245.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/0660/5987/files/encyclopedia_judaica_vol_6.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/1417/4900/files/terupibebavukizujosir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bec82097-1bbc-482e-9386-f0e92a1cb2b0/46072357292.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/6499/8043/files/sukivagefid.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/2732/2791/files/logimoponiwetubosedi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/2570/9211/files/hamburger_menu_android_tutorial.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0952/2845/files/clash_of_clans_reset_account_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6637/1495/files/naruto_ultimate_ninja_blazing_apk_mod.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_off000055b8.bin)

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