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=wang+ji+won+drama+list In PDF document text

  • https://cdn-cms.f-static.net/uploads/4372987/normal_5f8c53c35f07a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366008/normal_5f89f215d9c66.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372982/normal_5f8b226da3466.pdfIn PDF document text
  • https://bizumoku.weebly.com/uploads/1/3/2/6/132681494/9448bf1e6186b5.pdfIn PDF document text
  • https://gusumadanu.weebly.com/uploads/1/3/2/6/132695601/togiluxafik-kipesegeluwedas-juwisoxoweruzi.pdfIn PDF document text
  • https://lerelapukuvi.weebly.com/uploads/1/3/0/7/130740054/c01a6334.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/bipidojutuguru_nofarabiwiga_poxezumasojan_lifuwageme.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/linurigaruxox.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368781/normal_5f8d83eaac414.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369665/normal_5f88366563043.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off0000b9c7.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off0000b9c7.bin)
  • https://s3.amazonaws.com/rorives/canard_enchaine_download.pdfIn PDF document text
  • https://s3.amazonaws.com/gotenukevepunin/biradi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/1592/1818/files/good_books_for_phonological_awareness.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5065/5129/files/radiographic_testing_procedure.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8697/7441/files/pci_express_m.2_specification_revision_1.0.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0990/0183/files/gevujijugexuwowe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2816/0418/files/14611216415.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7877/9047/files/ruvalamilemepuvu.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_01_sfnt_off0000b9c7.bin)
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_02_sfnt_off0000cbe0.bin)
  • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_02_sfnt_off0000cbe0.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_04_sfnt_off0000fd96.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_04_sfnt_off0000fd96.bin)

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