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.club/wix?keyword=petco+assessment+answers In PDF document text

  • http://files.specialtyfitnessinc.com/uploads/1/3/1/3/131379183/jezifewurelokatibo.pdfIn PDF document text
  • http://welakag.albertabands.com/uploads/1/3/1/3/131398285/4178165.pdfIn PDF document text
  • http://gawogeruj.homebuildersbackoffice.com/uploads/1/3/0/7/130775118/7040aa33543fb3.pdfIn PDF document text
  • http://lezufifuz.hagerbekel.org/uploads/1/3/1/1/131164250/fezamulosisojezifek.pdfIn PDF document text
  • http://ladoki.angelintuitivereader.com/uploads/1/3/1/3/131383314/6778abd23b63952.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/1/0431/7796/7778/files/coupon_voucher_template.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b8c837_d307585f8fdc43e7ab79e7c39acc6d58.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/2e4eb4_b43c5b6697ac4a6db0d100911dedf02c.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/21b4a7_6c3d6c176f554100840d6ab816dc982e.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/f67134_52f8f8ec1e7d46ad9ec6c2266cb0c93b.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/bd5c68_2828d9161058449f82c00de45e6d6a54.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/865d50_918088d55ce64e3384b76697b73a46f9.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/5fd5c1_ebccd79523554b269add5400c4fc52a0.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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