PDF malware analysis — malicious · d818e937b8c83f0d

MALICIOUS

PDF

69.0 KB Created: 2020-12-08 05:47:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 2a1b334cd53ce394c243d92967929501 SHA-1: 97103d5ce18b84a0f73035549e0deb6f98d2de2f SHA-256: d818e937b8c83f0d68ba11fa832fc8c01a9f9cc1e81638c973a461be14ebe4cd

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 0.9969

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://traffset.ru/strik?utm_term=rudder+middle+school+athletics PDF link annotation
- https://jiwepurojal.weebly.com/uploads/1/3/0/7/130775762/1766028.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4414500/normal_5fced2ea92c8d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418013/normal_5f9c0fc9633c3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385228/normal_5f9cf65b444e1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/rodiligarexo/8757806508.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b2a39d59-3b7c-4254-a4aa-5f7641cb24aa/lowes_residential_water_pressure_regulator.pdfIn PDF document text
- https://s3.amazonaws.com/gudukupir/xedaletebak.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a4b99f23-374d-4e98-b66f-98fa73728717/rimedetozitazoforimadifod.pdfIn PDF document text
- https://s3.amazonaws.com/pukiza/clock_face_templates.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c678.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC678	4964 bytes
SHA-256: `74c8b0f694c5dfd7a8c2c6af68394c79c575d1766dc37070055c5040b81d5c59`
`font_01_sfnt_off0000d748.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD748	9896 bytes
SHA-256: `7d3d6b474921fa6fcbcd3923d461cf50b890731b5f561d828da1860bba41152e`
`font_02_sfnt_off0000f927.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF927	4324 bytes
SHA-256: `ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230`

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