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://cctraff.ru/aws?keyword=yamaha+mg16%252F6fx+manual In PDF document text

  • https://deledixedebudon.weebly.com/uploads/1/3/4/4/134499708/loserofu-dafawik.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368735/normal_5f933a53f3568.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402501/normal_5f94dcf0594df.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off000062f2.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off000062f2.bin)
  • http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102HussainIn extracted file (font_02_sfnt_off000072c8.bin)
  • http://smc.org.inhttp://smc.org.inIn extracted file (font_02_sfnt_off000072c8.bin)
  • http://www.daltonmaag.com/In extracted file (font_05_sfnt_off0000b49b.bin)
  • https://cdn.shopify.com/s/files/1/0498/8380/7902/files/15560420148.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8555/3059/files/vebisabipamajazuvak.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8677/6993/files/5554005267.pdfIn PDF document text
  • https://s3.amazonaws.com/xezujuxoz/basic_anatomy_of_human_body.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8904/4651/files/morrigan_and_lilith_goddess.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8887/4146/files/fatboss_eternal_palace_wowhead.pdfIn PDF document text
  • https://s3.amazonaws.com/tevigotu/jakuloxafunij.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0bc0a938-bca7-433d-bb81-6e54edf28ad4/34979285193.pdfIn PDF document text
  • https://s3.amazonaws.com/vixuwogetiv/holly_l._hancock_endorsements.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_off000062f2.bin)
  • https://gitlab.com/smc/meera/blob/master/COPYINGIn extracted file (font_02_sfnt_off000072c8.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_04_sfnt_off00009ff8.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_04_sfnt_off00009ff8.bin)

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