Malicious PDF / .VIR — 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.
• 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.
• Travel-support phone-number stuffing scam high SE_TRAVEL_SUPPORT_PHONE_SCAM
  Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
• 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://s3.amazonaws.com/paropabaru/apes_test_answers.pdf In PDF document text

  • https://s3.amazonaws.com/guwutivupudutu/80063727695.pdfIn PDF document text
  • https://s3.amazonaws.com/luxelula/14539489550.pdfIn PDF document text
  • https://s3.amazonaws.com/toguvaju/sun_akanamali_song.pdfIn PDF document text
  • https://s3.amazonaws.com/pajeriramal/ielts_listening_test_2_book_8_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/befarekogol/memujojoperubagit.pdfIn PDF document text
  • https://sufupixugopibo.weebly.com/uploads/1/3/5/3/135316623/sujufe.pdfIn PDF document text
  • https://s3.amazonaws.com/rijaliwiguvex/55381736060.pdfIn PDF document text
  • https://s3.amazonaws.com/kikunojulejuj/date_format_function_in_python.pdfIn PDF document text
  • https://s3.amazonaws.com/vanatul/90916164131.pdfIn PDF document text
  • https://s3.amazonaws.com/kovilowab/popojubesalutezikuxalafas.pdfIn PDF document text
  • https://traffking.ru/strik?utm_term=bassett+furniture+crib+assembly+instructionsIn PDF document text
  • https://baxawomegofagu.weebly.com/uploads/1/3/2/8/132815114/665d8a435a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off0001188a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off0001188a.bin)
  • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf46d6a371610b876b29c/1606218862227/joxalepemenosel.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc002e7e5c7695ca996b6a8/t/5fc48eb5145a8629dc42670f/1606717109626/27139004466.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 extracted file (font_01_sfnt_off0001188a.bin)

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