Malicious PDF — malware analysis report

Static analysis result for SHA-256 610f703754226ceb…

MALICIOUS

PDF

39.7 KB Created: 2020-04-13 08:15:53 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2021-02-23
MD5: a53b59b24a30480905dbdfa3bec88259 SHA-1: a9149dc46340574001666e30f873b703d7919b7a SHA-256: 610f703754226cebae11bd94dcf277d7c00393543258e2d9afb6137cbf9e5540
96 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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 http://rockymountainpixiebobrescue.com/uploads/1/3/0/6/130639856/130639856.html#5+recomendaciones+para+el+cuidado+del+sistema+respiratorio PDF link annotation
    • http://instantarabic.com/uploads/1/3/0/5/130589191/6790097.pdfIn PDF document text
    • http://shewproductions.com/uploads/1/3/0/2/130272275/8d2dc5dce0.pdfIn PDF document text
    • http://melanatedmuses.com/uploads/1/3/0/7/130775665/7978d8.pdfIn PDF document text
    • http://vivavocestyling.com/uploads/1/3/0/5/130544090/4991020.pdfIn PDF document text
    • http://chelseaishungry.com/uploads/1/3/0/5/130589049/7260667.pdfIn PDF document text
    • http://ironcladnw.com/uploads/1/3/1/4/131453807/fomigureziji_zologixoziru.pdfIn PDF document text
    • http://likethemonth.com/uploads/1/3/0/5/130588751/ritom.pdfIn PDF document text
    • http://timlilleytutoring.com/uploads/1/3/0/8/130814402/ruxejitufozozoj_tijaboniteruz_muguwerejem_japexixilu.pdfIn PDF document text
    • http://tinamariesboutique.store/uploads/1/3/0/6/130605278/908274.pdfIn PDF document text
    • http://fundacionnutriamor.com/uploads/1/3/1/1/131164364/178936a.pdfIn PDF document text
    • http://jaisrinivas.com/uploads/1/3/0/8/130874668/ebdb1450804056a.pdfIn PDF document text
    • http://spaziozero.org/uploads/1/3/0/4/130483953/5a41c.pdfIn PDF document text
    • http://dncprintz.com/uploads/1/3/1/4/131453676/legatujop.pdfIn PDF document text
    • http://connectingtodesign.com/uploads/1/3/1/3/131380415/xafimodofa.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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000073ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73CE 8300 bytes
SHA-256: a61694ad7b17e37a93697fa8184457223f8963551525f638735b8ed6a08dc141

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