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
• 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://xasukibumit.weebly.com/uploads/1/3/4/7/134749231/1236777.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.
• 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=informational+text+types+worksheet PDF link annotation

  • https://xasukibumit.weebly.com/uploads/1/3/4/7/134749231/1236777.pdfIn PDF document text
  • https://xewaxamuroz.weebly.com/uploads/1/3/4/5/134529724/tekugufemiretef.pdfIn PDF document text
  • https://zusadubojurumez.weebly.com/uploads/1/3/4/7/134703186/misewawa.pdfIn PDF document text
  • https://jetorijeroxu.weebly.com/uploads/1/3/4/6/134693882/4059380.pdfIn PDF document text
  • https://gazisaki.weebly.com/uploads/1/3/4/3/134371182/2998717.pdfIn PDF document text
  • https://zasawebisev.weebly.com/uploads/1/3/4/8/134865024/zidinadegesuzif_zofoloxu_sodovujaguzam.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://static1.squarespace.com/static/5fc51130ea4a794d565ff698/t/5fd16368880fa23343c6aca3/1607557993534/amazon_prime_golf_rangefinder.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fdd2c3c5b7bc966055df3f1/t/5fdd2e4de64f5703150be7b8/1608330834328/visiting_card_templates_psd.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc0bebbcd1e280355d37542/t/5fc21f9abc819f1cf420d020/1606557594789/rise_of_shadows_cards_ranked.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fdc9e44ff99f865bfec2588/t/5fdcc19d1ffc5e6b6fbd8bb8/1608303010030/74241830774.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc5909340f1034a5cc888ef/t/5fcb29cd21c0486e91905f6a/1607150031223/desmos_scientific_calculator_integral.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc5211dec917750a3f31b0b/t/5fd65450ffab5d3c56f83a88/1607881808826/bpm_analyzer_for_mac.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcfdfa3ca23154c95bad5c/1606221307189/baretolomiwaveduze.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc117c3a3bf4b14abaa53c7/t/5fc4c3ee3f75b166436a6a46/1606730736738/93399995673.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/81a7bb46-37f2-4bff-ad0c-33b4fd5973ff/lanipimu.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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