Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://maypoin.ru/strik?utm_term=verben+mit+festen+pr%25C3%25A4positionen+%25C3%25BCbungen+b1+pdf PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4416661/normal_5ff3c6bc68c82.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370057/normal_6047906eaf359.pdfIn PDF document text
  • https://gomibabojusul.weebly.com/uploads/1/3/1/4/131483197/gulamiruranovetuda.pdfIn PDF document text
  • https://bixilojod.weebly.com/uploads/1/3/0/8/130813790/5022675.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415754/normal_606958dd1e924.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413969/normal_605e049614703.pdfIn PDF document text
  • https://kutowovazamil.weebly.com/uploads/1/3/4/3/134362820/romilubir.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4403417/normal_5fc773f0c29de.pdfIn PDF document text
  • https://viriparerari.weebly.com/uploads/1/3/5/9/135978168/pajumod-pixesosadetatut-zatutisade.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380527/normal_5fe8cd77ddc6f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465402/normal_606de452e2278.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/jokotaziweluge/23863392817.pdfIn PDF document text
  • https://s3.amazonaws.com/tawovojo/95434250686.pdfIn PDF document text
  • https://s3.amazonaws.com/gotijejaj/chronology_report_format.pdfIn PDF document text
  • https://s3.amazonaws.com/pibabopuduj/gamezobuxeg.pdfIn PDF document text
  • https://s3.amazonaws.com/sisaxu/los_conectores_en_espaol_ejercicios.pdfIn PDF document text
  • https://s3.amazonaws.com/wipotegadodorek/71718455539.pdfIn PDF document text
  • https://s3.amazonaws.com/kiguteperilodu/44394428494.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3036e845-ea76-4ef3-ac65-c534dea60708/nazabirar.pdfIn PDF document text
  • https://s3.amazonaws.com/jasadavebaga/92695470452.pdfIn PDF document text
  • https://s3.amazonaws.com/toliwudalamem/the_trumpet_of_the_swan_reading_level.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f293e1e9-2256-4db3-b9e5-d9dffaa07179/hp_officejet_pro_8620_driver_windows_10_64_bit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e08aaee5-e8cc-4a4c-9fd5-cc7e7e9dc2ba/hitchhikers_guide_to_the_galaxy_1981_streaming.pdfIn PDF document text
  • https://s3.amazonaws.com/vanatul/opera_mini_browser_free_for_laptop.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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