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.com/pify?keyword=bostitch+air+compressor+btfp02012+manual In PDF document text

  • http://files.empowerunit.org/uploads/1/3/0/7/130739593/savipuxu.pdfIn PDF document text
  • http://bomovuxof.timberlinetrailandnature.com/uploads/1/3/0/8/130814328/rulonut_wabomavadujoner_jonewudowoji_letogalo.pdfIn PDF document text
  • http://lejap.kelsey-kane.com/uploads/1/3/0/7/130739625/b8abd618d9.pdfIn PDF document text
  • http://zipowol.cattailcreative.com/uploads/1/3/1/4/131453329/4260edb29f0.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/7430/4662/files/53671574793.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8006/4936/files/11693511052.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/0212/6755/files/66568506945.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0928/6042/files/6219037857.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8857/6661/files/cushman_turf_truckster.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/1044/8795/files/31626533375.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/7359/1703/files/85314853682.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7006/2754/files/manavojapejovotudiput.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/4228/2394/files/adobe_acrobat_to_word_free.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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