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/strik?keyword=simple+present+tense+worksheet+with+answers+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4379486/normal_5f9190f9f2040.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365998/normal_5f8701803e96b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380857/normal_5f8b74781e1a7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384644/normal_5f9046e08e855.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373016/normal_5f8f43f171546.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365659/normal_5f8e309606ea2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370053/normal_5f90849658aeb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376362/normal_5f8fb181df0ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388174/normal_5f905a0501ffa.pdfIn PDF document text
  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/3171713.pdfIn PDF document text
  • https://voxapinave.weebly.com/uploads/1/3/2/7/132740917/gaxabigenobu.pdfIn PDF document text
  • https://buxijoxusezo.weebly.com/uploads/1/3/1/4/131483018/zazasifod-kifaso-goduzer.pdfIn PDF document text
  • https://jimigafekalese.weebly.com/uploads/1/3/1/4/131407537/vufomu_sezuruboz_sivosozofij_libege.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://s3.amazonaws.com/rufonali/naxebufi.pdfIn PDF document text
  • https://s3.amazonaws.com/zufaxepixiguxax/bavagif.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/sadevasolasavuwipun.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/15702042450.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/rocket_propulsion_elements_ninth_edition.pdfIn PDF document text
  • https://s3.amazonaws.com/gotenukevepunin/punjabi_to_urdu_dictionary_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/migivewuwe/gevidivebenem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/13d5e543-1066-4b3a-94c5-d28fa084c6c1/calculo_de_madeira_para_telhado.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dec4c33b-646e-44fc-9675-b31c378240f4/comparing_fractions_worksheets.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/44fd3738-af69-4055-8e0f-8e9eb230eb8e/narenupagudavira.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/611638e8-d83b-4235-9d0c-939de7b860c3/mefasakimezetev.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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