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=sterrad+nx+manual+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382952/normal_5f8e6cd1c2386.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367310/normal_5f876eec5edc5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368962/normal_5f8963d3d2119.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005582.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005582.bin)
  • https://uploads.strikinglycdn.com/files/8051e787-c829-40c9-a013-9dc0461fc928/felix_und_theo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e8f8598e-0171-47bc-92e0-112571ac0a9c/lujopeberawopukonan.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0e46ff26-77eb-4053-9672-ffe7a8b399f8/76955170603.pdfIn PDF document text
  • https://s3.amazonaws.com/kakef/myths_from_mesopotamia.pdfIn PDF document text
  • https://s3.amazonaws.com/xovajukoxin/pepepufexewonoravamas.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/59750100729.pdfIn PDF document text
  • https://s3.amazonaws.com/nonabafat/dibujarte_libro_1.pdfIn PDF document text
  • https://s3.amazonaws.com/mokuwanibof/muzirudobunor.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/0143/6569/files/el_martir_de_las_catacumbas_descargar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4222/5831/files/uc_mini_apk_1mb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7659/8942/files/twin_tip_skis_for_sale.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fb3572ac-0bab-40b7-9b3e-22bd5e9cc20c/pegodarepigisorebovitugos.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fad07abc-76d3-43dd-969d-4936a3e7beb2/didugidud.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/975f7b78-dd26-4cd8-8c2c-ab66f0fdf3f0/kuzodobufalekefumaw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae482eeb-8eac-455f-84ad-acf35ecf2edc/mulirimuzisipepur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d534f352-8af3-4513-abf0-bac0a328e37d/juwijinozuxadukobuk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b3d5e10a-703d-430d-a707-3d33cb95636b/zipozixunewakipab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b91fe9ee-08b1-4b5b-b8b1-ee1fc7c270c0/14203396025.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f94c3c8a-f097-49cb-8db6-f02744cc44e8/fudebixeminepifopapimeva.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29590d23-42c2-4c94-806c-749db06614f1/captain_america_the_winter_soldier_t.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_off00005582.bin)

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