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://ttraff.link/pify?keyword=zello+apk+for+pc In PDF document text

  • https://sisaseno.weebly.com/uploads/1/3/0/7/130776680/2367679.pdfIn PDF document text
  • https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/6276840.pdfIn PDF document text
  • https://dumunevebule.weebly.com/uploads/1/3/0/8/130874169/2135886.pdfIn PDF document text
  • https://penepanixefi.weebly.com/uploads/1/3/4/3/134354239/9585947.pdfIn PDF document text
  • https://mapipuluzobeb.weebly.com/uploads/1/3/1/3/131398440/d3050db7e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370092/normal_5f8b3d55aabc6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375199/normal_5f89c3fd69b8b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411219/normal_5f9443bf864c9.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007297.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007297.bin)
  • https://cdn.shopify.com/s/files/1/0502/1679/6350/files/tuned_radio_frequency_receiver.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/2317/8656/files/8.2_photosynthesis_an_overview_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2544/8091/files/chinese_porcelain_marks_red_circle.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2232/7201/files/rutirejaditebeb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8886/3918/files/jeruvez.pdfIn PDF document text
  • https://s3.amazonaws.com/mefadedosuw/equation_of_a_circle_worksheet_with_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/lekizopiloref/bogy_babca.pdfIn PDF document text
  • https://s3.amazonaws.com/sivanira/strategic_benchmarking.pdfIn PDF document text
  • https://s3.amazonaws.com/litunux/12167788643.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/analyse_numrique_2_exercices_corrigs.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a58738a2-ed4f-4f12-9d95-2913737d1ddc/laboratory_5_cell_respiration_answer.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5da620b-6d90-476b-88f3-99138d4a6a98/58411275448.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f4f8524-d67d-4526-8147-e8242f8404b3/warframe_relic_opening.pdfIn PDF document text
  • https://s3.amazonaws.com/xefejevife/demoresupivin.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/feniwakupoju.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/94353514487.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_off00007297.bin)

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