Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e8a050c4f550a7e…

MALICIOUS

PDF

76.5 KB Created: 2021-03-25 00:29:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 10e9a2eed30de75ede0b6797f59694db SHA-1: b2698f4cf0d3d8638b9d5cbb49a73ef9dab8ccc5 SHA-256: 2e8a050c4f550a7e3e723366680da40f9adad0eaa1261dc8a0d9dc54edda3fb5
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://midufefew.ru/123?utm_term=personal+budget+tracking+excel+template PDF link annotation
    • http://zavarivaemvmeste.ru/899952114738252i.pdfIn PDF document text
    • https://cdn.sqhk.co/jidulopavoji/piaifhg/pawipumevilivajikagopeboz.pdfIn PDF document text
    • https://cdn.sqhk.co/letarezetap/jjgcjiX/bluestacks_hd_app_player.pdfIn PDF document text
    • http://erogan-columbia.site/definition_of_equipment_under_uniform_guidance4tftb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4425759/normal_604e399e4388d.pdfIn PDF document text
    • https://cdn.sqhk.co/vufisolepu/fjhhbic/ciencia_definicion.pdfIn PDF document text
    • http://onsideball.info/techcrunch_extra_crunch_live9qjjy.pdfIn PDF document text
    • https://cdn.sqhk.co/rugofufol/jjhajjj/zedd_clarity_acoustic.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459025/normal_6050f4c375472.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377115/normal_6010a393be1af.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4461767/normal_60569259253a9.pdfIn PDF document text
    • https://cdn.sqhk.co/disovaje/iW3jfih/niwejinoginomixekava.pdfIn PDF document text
    • https://cdn.sqhk.co/naziwixolagu/aQEchg9/syfy_shows_cancelled.pdfIn PDF document text
    • https://cdn.sqhk.co/jenireni/aqSgfha/short_inspirational_stories_of_hope.pdfIn PDF document text
    • http://fruittea.space/jefofagawa2q7jc.pdfIn PDF document text
    • https://cdn.sqhk.co/parabeset/r99gchg/9877188370.pdfIn PDF document text
    • http://oneitstore.info/6684275927626xza.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489257/normal_602a19501ddbf.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ebea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBEA 5668 bytes
SHA-256: abde2a4d506aadbcf083312037802c8cd514fba37f7cce1aa0278527d29d234e
font_01_sfnt_off0000ff19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF19 11052 bytes
SHA-256: 807bfb15484d4bb5a8e33a5a647d5d40d0749fd29dab963a71a5b3b3f88da0eb

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