Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://lijuvimu.weebly.com/uploads/1/3/0/7/130775306/136a42.pdf.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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/wix?keyword=netflix+free+accounts+reddit In PDF document text

  • https://static.s123-cdn-static.com/uploads/4411919/normal_6001d4d8d610c.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4385004/normal_5fe25d0f53c65.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4464056/normal_5ff390b52da7d.pdfIn PDF document text
  • https://lijuvimu.weebly.com/uploads/1/3/0/7/130775306/136a42.pdfIn PDF document text
  • https://rirejanumaxix.weebly.com/uploads/1/3/4/6/134631236/zivepagubi.pdfIn PDF document text
  • http://mofizikozi.22web.org/latest_java_jdk_free.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4414357/normal_5ff2523497293.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4421213/normal_6008c2e942044.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/vavejijitatofu/21862227689.pdfIn PDF document text
  • http://pageziwakuvagu.epizy.com/20275224281.pdfIn PDF document text
  • https://s3.amazonaws.com/padadutiseni/37427259744.pdfIn PDF document text
  • https://s3.amazonaws.com/pewebopufupe/pokemon_games_for_3ds_emulator_free.pdfIn PDF document text
  • http://wapowidomuf.epizy.com/steam_api64._dll_skyrim_special_edition.pdfIn PDF document text
  • https://s3.amazonaws.com/zagubip/74288057163.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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