Malicious PDF — malware analysis report

Static analysis result for SHA-256 0334a1ca59058f11…

MALICIOUS

PDF

75.5 KB Created: 2021-03-23 11:44:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 6a3cf7eb8c44320a595df783ff3cc8b0 SHA-1: 97aae4f22226ad53023e50effbe903bbb8c5ece7 SHA-256: 0334a1ca59058f11c76e3fa7642e3fdddb97045470eebc50941bbee0c85fc5ce
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 0.9999

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://vilenefex.ru/strik?utm_term=libro+la+magia+del+orden+leer+online PDF link annotation
    • https://cdn.sqhk.co/zubavagi/hhYljcH/sonny_s_pizza_menu_and_prices.pdfIn PDF document text
    • http://afracheat6.xyz/why_is_my_dog_so_thirsty_lately5fium.pdfIn PDF document text
    • https://cdn.sqhk.co/lepavenujal/EH4T1jd/pandemic_ebt_ga_activation.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378604/normal_600a9d93709f3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462678/normal_601b3be2372b8.pdfIn PDF document text
    • https://cdn.sqhk.co/fixosotefe/cUie5jc/63676735029.pdfIn PDF document text
    • https://cdn.sqhk.co/rilaraviror/ckgghdF/include_stylesheet_in_html_body.pdfIn PDF document text
    • https://cdn.sqhk.co/runusamopit/lZYDhec/26611495465.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490519/normal_601d5d420137c.pdfIn PDF document text
    • https://cdn.sqhk.co/rirexiwudag/ghjbVhb/71607348994.pdfIn PDF document text
    • http://reduslimer.website/abecedario_en_cursiva_minusculaey0br.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448545/normal_5ff1113cf2c24.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/aabb2035-431e-473b-bae5-b17fc67856ac/fiddler_on_the_roof_songs_movie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aa7dff48-73a6-410c-97c8-1f516b307944/16536528154.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aa4315a3-166b-4dbf-b83a-1bac95c49938/supidetatuvodaja.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e0609b56-ac78-4273-bee2-c684b66142ad/music_notes_tattoo_ideas.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/52ba9fc8-189a-491f-921f-1d7d32a8a54a/the_boarded_window_summary.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_off0000e7e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7E9 5048 bytes
SHA-256: 2ea9fc6b69cd85c9ea0a38a3f8ec8833a7f1b48c4336bfa203f000029762224b
font_01_sfnt_off0000f8fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8FA 11832 bytes
SHA-256: fe6aa0002c9d3b3579c6cd4097ad3de15c8e6484d88f263de13d69f9ce07fd2e

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