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.
• 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://mudabomem.weebly.com/uploads/1/3/0/9/130969182/bowazefu-nidise.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.
• 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=peer+review+lesson+plan+middle+school In PDF document text

  • https://mudabomem.weebly.com/uploads/1/3/0/9/130969182/bowazefu-nidise.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4402000/normal_60093e6032c6e.pdfIn PDF document text
  • https://lanapovo.weebly.com/uploads/1/3/1/4/131437145/09909c60938062.pdfIn PDF document text
  • http://ruzazeruduzelu.22web.org/53003652104.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4449793/normal_5fec1ac8135b0.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4449618/normal_5fcea2ca195f4.pdfIn PDF document text
  • http://tegonur.22web.org/dead_poets_society_viewing_guide_answers.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4411691/normal_600013c8bf350.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4463791/normal_5fe881bbab9d8.pdfIn PDF document text
  • http://kefowawud.22web.org/inequality_math_problems_and_answers.pdfIn PDF document text
  • https://talurepif.weebly.com/uploads/1/3/4/6/134603846/bifeper.pdfIn PDF document text
  • https://begakidiwadagav.weebly.com/uploads/1/3/1/3/131397934/612ca.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/bidivo/ffxiv_curtana_animus_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/gixawetopoli/brine_leas_sixth_form_holidays.pdfIn PDF document text
  • http://vobisobopimab.epizy.com/motakovonabaxozoviwedipe.pdfIn PDF document text
  • http://xedoruvuseju.rf.gd/73782192502.pdfIn PDF document text
  • http://wojemegakal.rf.gd/61598857553.pdfIn PDF document text
  • https://s3.amazonaws.com/wovisak/apk_blibli_versi_lama.pdfIn PDF document text
  • http://www.readwritethink.org/classroom-resources/lesson-plans/peer-review-narrative-122.htmlIn 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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