Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafficel.ru/aws?utm_term=white+cotton+king+size+fitted+sheet PDF link annotation

  • https://muwewixobajigu.weebly.com/uploads/1/3/4/3/134312624/2449469.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/cd7d2364-7570-485d-a180-4819c6ad0566/vuriluf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5dd2b2c1-18c6-414e-ac0b-d4fdef4898ed/genesis_8-9_esv.pdfIn PDF document text
  • https://s3.amazonaws.com/muvunekagok/tivi_lcd_led_lg_55um7300pta.atv.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc5313f104edf1d779d1ce4/t/5fd71fd5481cfa31ade0940c/1607933909237/libro_de_colorear_por_numeros_apk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72e9c7b8-0553-4e6d-a00c-7d637af93913/71499282963.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7893eb08-c108-4805-99b9-25ab373b455a/40198947839.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ea3df360-12b3-44f2-b81f-8b4f0ae3fc0a/digiloom_app_for_android.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fb3cc49b-7f1c-4dae-9c1a-abf14d6e4f44/26587794327.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9545d21-1afe-4615-be73-26e20dd6e652/lego_mindstorms_education_ev3_core_set_45544.pdfIn PDF document text
  • https://s3.amazonaws.com/xakapudakadu/icetool_manual.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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