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
• 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://crophysi.ru/strik?utm_term=quantum+chemistry+book+by+rk+prasad In PDF document text

  • http://trokot-shopnew.online/42785478079sgdra.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4455376/normal_600c9db0be63a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384650/normal_6050bc60048e9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4479705/normal_603e481b739d0.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4421623/normal_600727bc5af00.pdfIn PDF document text
  • http://zhigina.ru/working_with_emotional_intelligence_daniel_goleman_free_downloadgtupf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4488807/normal_601b57aae3e6a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4485826/normal_5fc66af790f41.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4471969/normal_600deacb84ce4.pdfIn PDF document text
  • http://lnstagramverifiedbadge-media.com/what_is_intermediate_2_equivalent_toc5usu.pdfIn PDF document text
  • http://copytoshka.ru/36741241518rbwzw.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4402247/normal_600306f380355.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/fofeguj/vatapuxutaxagamemirim.pdfIn PDF document text
  • https://s3.amazonaws.com/midaguvimabof/94824686281.pdfIn PDF document text
  • https://s3.amazonaws.com/sobaketemu/lonanipinewidifab.pdfIn PDF document text
  • https://1d812fcc-cfc3-4558-a870-56fc5b7f4c2e.filesusr.com/ugd/754d94_67bd48ddd03d4fbaa14898d3346b06fb.pdf?index=trueIn PDF document text
  • https://9eaa565e-fb97-40b4-b096-d6760803f699.filesusr.com/ugd/55e2c6_8790db2d93bb4a5d9dba7f8add7fad60.pdf?index=trueIn PDF document text
  • https://3465328d-eb21-4af5-a94e-b8fdacefaafa.filesusr.com/ugd/c63bf9_4a77ef010ca94300892e2dcd8f609738.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/cc3480af-c17c-46de-80a7-afe1ac75c901/elements_of_chemical_reaction_engineering_4th_edition_free_download.pdfIn PDF document text
  • https://1fa67a36-2e8b-44cc-a955-751d80433762.filesusr.com/ugd/d85e51_f6f186859d844d8f9ec015d38b22c6b1.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/ninasivol/gupajibepibonofoj.pdfIn PDF document text
  • https://s3.amazonaws.com/tobito/jazzy_select_6_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/215d578a-9000-4c8a-909c-156658368d80/somisusedavukituzaw.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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