Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b042ae61d2dde45…

MALICIOUS

PDF

59.5 KB Created: 2020-12-19 10:50:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: edb5ebe6498e9a25e1b9a837465700c8 SHA-1: bd37e5addd28f99fcca409032bc9ef952d55f60c SHA-256: 6b042ae61d2dde45ea1acb1215af387468029e56a4d56d3e0a982d2796944627
96 Risk Score

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 0.9981

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://traffnew.ru/123?utm_term=character+map+the+crucible+act+1 PDF link annotation
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fc10304b8467722f1d4df02/t/5fc13c68e18c5c478e29296f/1606499433569/restful_web_services_for_dummies.pdfIn PDF document text
    • https://s3.amazonaws.com/lusabifef/service_cloud_consultant_certification_guide.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0e99fa13a450babf41659/t/5fc33252a97599144e601f1e/1606627929823/80712580139.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/abfd5b17-9d9f-4b3f-af2d-9b98edc8c44a/ponaroxuruxabobapekat.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9cf5729d-610a-4972-946f-27ef3ca5f4d5/87895332599.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf532061e25426e12f6559/1606374176737/wamopokixek.pdfIn PDF document text
    • https://s3.amazonaws.com/wuxibipan/dirowopasuxelilixuri.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc4e657be9b693951246ba3/t/5fd0813fab2d482295e03443/1607500098972/arkadelphia_arkansas_zip_code.pdfIn PDF document text
    • https://s3.amazonaws.com/tabobujimo/ff14_raise_macro.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000aed6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAED6 5092 bytes
SHA-256: 96ad2df1902ae13feb2c2a29551be41e9dd5702637a396d93d5e80c479a00f2a
font_01_sfnt_off0000bff3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBFF3 10256 bytes
SHA-256: ddc4a38a7c7e92019a549776bda80921204ec85fbb809f44791519be19affccd