Malicious PDF — malware analysis report

Static analysis result for SHA-256 deaeb6fd4ae0db63…

MALICIOUS

PDF

75.1 KB Created: 2021-03-04 02:44:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: ce917a893291e14adea16c5d9d962e2a SHA-1: f81c1c5b8e10f56f47860ae073fa42df946e1d53 SHA-256: deaeb6fd4ae0db63651cf17a1f68404bcab942aae3a4cb14b36d2ce071f146ef
96 Risk Score

Malware Insights

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

The file is a PDF document flagged as malicious by ClamAV and an ML classifier. It contains an embedded URL that leads to a suspicious domain, likely intended for phishing or malware distribution. The document body, though heavily obfuscated, appears to contain metadata related to the URL's apparent theme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://dugedepap.ru/strik?utm_term=what+is+youth+culture+definition PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4444643/normal_603e930b2cffd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413362/normal_5ffe8d8d7e923.pdfIn PDF document text
    • https://cdn.sqhk.co/dajebala/7ibnRij/79992094906.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477401/normal_604012984054d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476437/normal_60222cf55021f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413362/normal_6007cc9b4dc52.pdfIn PDF document text
    • https://cdn.sqhk.co/jukunobegabe/idgfhiu/lidabuz.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470979/normal_5fc59b4861eec.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4444096/normal_60267e4c06656.pdfIn PDF document text
    • https://cdn.sqhk.co/vipujitebiki/dYhgmuw/bifam.pdfIn PDF document text
    • https://cdn.sqhk.co/sowumavag/gghhjeB/favezijupawegiguveze.pdfIn PDF document text
    • https://cdn.sqhk.co/duxapotor/ggie7Dv/crashmetal_cyberpunk_apk.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/nuselufuzo/test_angielski_b1.pdfIn PDF document text
    • https://s3.amazonaws.com/zolerazowubow/latest_whatsapp_apk_uptodown.pdfIn PDF document text
    • https://s3.amazonaws.com/kovibu/aneurisma_dissecante_de_aorta.pdfIn PDF document text
    • https://s3.amazonaws.com/leributafa/beautiful_disaster_series_free.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_off0000e790.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE790 5224 bytes
SHA-256: 0fcf00ba0b902cfc71e83103436d28b5283ef2da99d337c4e832ce7fadf31d15
font_01_sfnt_off0000f963.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF963 10748 bytes
SHA-256: 2a83c9040806034aec092588b30e34b327b793ad7aaebdd259523592d1b2c82f