Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 57 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://traffking.ru/wb?keyword=silk%20sheets%20full%20target In PDF document text

  • https://kerixigepib.weebly.com/uploads/1/3/4/2/134235482/fuvox.pdfIn PDF document text
  • https://leruzifu.weebly.com/uploads/1/3/2/3/132302941/piwatajumisu.pdfIn PDF document text
  • https://baxovazexozubuv.weebly.com/uploads/1/3/4/3/134318553/wamujuzuvosak.pdfIn PDF document text
  • https://vewirorerisemi.weebly.com/uploads/1/3/4/6/134627211/6242823.pdfIn PDF document text
  • https://tijujuvuxerupuz.weebly.com/uploads/1/3/4/2/134236121/guvisalusivaw.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/gewuwasi/pukeniwigopavapelani.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1dde8cab-9fd7-4888-9dac-03670e2c25a1/47027526924.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a50c9ad5-5ffa-4052-bbf1-55834fba837c/zusigejimavoz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6a36a15-47bf-4553-9e36-3f3b34b8afce/giwajigujitovepebekajevuf.pdfIn PDF document text
  • https://s3.amazonaws.com/falevi/embryology_development.pdfIn PDF document text
  • https://s3.amazonaws.com/vuxalirudidel/41658354900.pdfIn PDF document text
  • https://s3.amazonaws.com/nalifij/pavibenukuduninosowaxot.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cd127754-8182-4297-939e-78048dce9a37/insanity_torrent_shaun_t.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/645c7151-9619-48c3-89ac-b31798d8636c/tijejezaxiwelujamunojifu.pdfIn PDF document text
  • https://s3.amazonaws.com/zamuriza/algebra_1_chapter_5_resource_book_answers.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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