Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e542319ba698bab…

MALICIOUS

PDF

76.2 KB Created: 2020-12-11 04:19:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 2db32f1201840a727b0676aa91084975 SHA-1: d6c05093cdb94fe47e59ac528bdeedc95921431b SHA-256: 1e542319ba698bab451a3a4716c374a1098541d90c42ec012c065572d19dd6ee
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 0.9997

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/aws?utm_term=medical+tourism+platform PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4480899/normal_5faa3ead6416c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4390350/normal_5fb71730448d0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418764/normal_5fb290794affe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384463/normal_5f9affa31512c.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/bipepezuwed/82325185127.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc559d7df132613bbdb3256/t/5fc7390093ad1a481217aaa2/1606891777133/simple_keyboard_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/jimugivos/kuzubagik.pdfIn PDF document text
    • https://s3.amazonaws.com/jezekemunidup/gadozulafizinabopu.pdfIn PDF document text
    • https://s3.amazonaws.com/dukavunivifa/12254136620.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/65c5052d-cef1-4b7e-8d2e-240e2f0b46bb/wavajusurogevamutabadav.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

Related samples 1

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ee04.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE04 5304 bytes
SHA-256: 43d559c53903eb5ac41ff02b57c55f34769f6c99e32c4ae61bb673ae83fdeefa
font_01_sfnt_off00010001.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10001 10640 bytes
SHA-256: 2a4688e1acbcbfc9be48f832e14e9b353a20bc41ef06eb94d4169c9588750844

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