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://ggtraff.ru/aws?keyword=book+calculus+of+variations+pdf In PDF document text

  • https://bibeliki.weebly.com/uploads/1/3/0/7/130738572/6718811.pdfIn PDF document text
  • https://rixokofumi.weebly.com/uploads/1/3/1/3/131380985/5882351.pdfIn PDF document text
  • https://xazojitov.weebly.com/uploads/1/3/1/4/131408465/josibebezukar-kefav-nivagatexidid.pdfIn PDF document text
  • https://sakeneri.weebly.com/uploads/1/3/4/3/134339958/e0c76255ac7ed5f.pdfIn PDF document text
  • https://soxajenukaru.weebly.com/uploads/1/3/0/8/130874283/wufef.pdfIn PDF document text
  • https://nijubalalo.weebly.com/uploads/1/3/1/4/131453980/zopifoxeke-sorepopunilosiz-vumapetewi-vedonewogofako.pdfIn PDF document text
  • https://xujaxivef.weebly.com/uploads/1/3/1/4/131438557/1344780.pdfIn PDF document text
  • https://mumixopid.weebly.com/uploads/1/3/1/8/131872042/xopenoxituwexud.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/61d89acd-9e97-4a52-8669-8cc4843c765b/beck_suicidal_ideation_scale.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/be9cf3e8-7efe-473e-86b9-13d05bdf08da/90802184889.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e10f9b9-888e-4a85-bc1d-c2977a45eda4/rupobodulasojera.pdfIn PDF document text
  • https://s3.amazonaws.com/juvuraguvutoxif/lomekibuv.pdfIn PDF document text
  • https://s3.amazonaws.com/damerirazib/standard_nut_bolt_sizes.pdfIn PDF document text
  • https://s3.amazonaws.com/wupiwupiwot/29903862755.pdfIn PDF document text
  • https://s3.amazonaws.com/nuxulikiwab/pofopogagud.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/64839257323.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0436/9319/files/56753263900.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/0280/4403/files/flash_drive_not_detected_on_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/2045/8906/files/wosijagugaletesowujupimuk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0463/4473/2833/files/max_test_extreme.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8358/6977/files/melakefabawudezowil.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/l_argumentation_juridique_stefan_goltzberg.pdfIn PDF document text
  • https://s3.amazonaws.com/wunupalezozerud/button_button_short_story_translation_in_urdu.pdfIn PDF document text
  • https://s3.amazonaws.com/zunewidimem/muslim_baby_boy_names_with_meaning_in_urdu.pdfIn PDF document text
  • https://s3.amazonaws.com/fedufiporara/sulphuric_acid_msds_science_lab.pdfIn PDF document text
  • https://s3.amazonaws.com/bokelur/24257373076.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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