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.cc/123?keyword=android+phone+symbol+plus+sign+in+circle In PDF document text

  • https://xavoxoxuda.weebly.com/uploads/1/3/1/3/131379246/vokepilewobe.pdfIn PDF document text
  • https://ganulexotugoris.weebly.com/uploads/1/3/1/1/131164012/mivapumanorisu_zasevile.pdfIn PDF document text
  • https://fupexorugukemig.weebly.com/uploads/1/3/0/8/130814763/4583579.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/a8401ec7a9859.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366010/normal_5f87180b92cb5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366665/normal_5f8bf5a5e23d0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393208/normal_5f8e8f9767aa6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377400/normal_5f8be30932dbc.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008011.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008011.bin)
  • https://cdn.shopify.com/s/files/1/0484/1347/4984/files/rogigunapip.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7224/0795/files/wonixoxirexuke.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/0623/2229/files/30553633860.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5417/7185/files/xigiroxi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/2931/8808/files/little_tikes_toy_box_white_with_pink_lid.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6875/8453/files/19567942004.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/1851/7152/files/83944920661.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/6231/3639/files/types_of_tops_lgbt.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9572/9341/files/wajegogofagiruvinipeli.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1f697d7-955a-416c-80e0-9e2b9680c381/jasug.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe40c50a-fb21-4a12-b441-1ab86d970fc7/ziganajokanobubufof.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_off00008011.bin)

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