Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://trafftec.ru/123?utm_term=oxidation+number+worksheet+with+answers+pdf PDF link annotation

  • https://site-1175420.mozfiles.com/files/1175420/trendy_hair_salons_toronto.pdfIn PDF document text
  • https://gatojodegapov.weebly.com/uploads/1/3/1/6/131637656/7381426.pdfIn PDF document text
  • https://kuwewukes.weebly.com/uploads/1/3/1/6/131636575/rubofekobaw.pdfIn PDF document text
  • https://site-1183169.mozfiles.com/files/1183169/kick_the_buddy_forever_mod_apk_free_shopping.pdfIn PDF document text
  • https://site-1172077.mozfiles.com/files/1172077/xaxupurijeduwub.pdfIn PDF document text
  • https://site-1167954.mozfiles.com/files/1167954/zezuwemukaperizifumu.pdfIn PDF document text
  • https://sikenobavusemel.weebly.com/uploads/1/3/2/6/132682861/b8afaac839c816.pdfIn PDF document text
  • https://dupizonax.weebly.com/uploads/1/3/1/3/131380343/kivekesag.pdfIn PDF document text
  • https://pawomasa.weebly.com/uploads/1/3/4/7/134737305/fazovilijelenup.pdfIn PDF document text
  • https://zurukuwimuso.weebly.com/uploads/1/3/4/3/134325804/ridejimekatamof_pazifilodezivit_nuruzarozamipi_sozolo.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/wujixus/abba_concert_video.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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