Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe662e1b93294e2a…

MALICIOUS

PDF

68.7 KB Created: 2020-11-22 02:48:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 5b0327eed9635cee5c735d9acbb4245e SHA-1: 0589d19332ba33928f53939608da20bbae84dd6c SHA-256: fe662e1b93294e2a89f6e54c69d0d4799e6f581130b5f006fc2a790dd4798c33
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 0.9982

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=english+grammar+advanced+worksheets PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4387031/normal_5f8f168189bb9.pdfIn PDF document text
    • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/kasodopizafazakoxuk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393791/normal_5fa21a8ec1fff.pdfIn PDF document text
    • https://rudazolabogufaj.weebly.com/uploads/1/3/4/7/134772206/95d1bd827bf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368500/normal_5f8dd6f08a75d.pdfIn PDF document text
    • https://kuzaloxamuw.weebly.com/uploads/1/3/1/4/131406684/tagifasazarobe.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/widuxade/7401420317.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/91016e8d-e3c1-485b-8cc9-82ed3ea1d990/60958626349.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8f021bca-cd52-460a-9057-f63a25db9736/23808903130.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 8

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_off0000cd61.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD61 5528 bytes
SHA-256: 24b75819298f32b0c6fed7ec14869bf53f9901f07ae3648b6c1f728968643ab9
font_01_sfnt_off0000e017.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE017 10664 bytes
SHA-256: 95cf9dda93a2b3be2fd8f505c357e5c392283f4b596715a4170119b79903285c

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