PDF malware analysis — malicious · 04da684de331b85f

MALICIOUS

PDF

66.1 KB Created: 2020-11-18 06:01:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 7aee934a4fc9f76fda8879ea4cf42333 SHA-1: 9350a6d736bb5eeaae3ae6973af103cbe3f43cfd SHA-256: 04da684de331b85f528e583d5f4aac2715a8aa6b2ec62f6c783fed6e49551e0d

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 0.9998

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://traffking.ru/strik?utm_term=proceso+de+seleccion+de+personal+heineken PDF link annotation
- https://cdn-cms.f-static.net/uploads/4464529/normal_5fa39edab598c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372721/normal_5f8fe43f390f6.pdfIn PDF document text
- https://sojikopel.weebly.com/uploads/1/3/4/7/134760404/pifove.pdfIn PDF document text
- https://lusefova.weebly.com/uploads/1/3/4/5/134583673/pipodomapapito.pdfIn PDF document text
- https://jurexufibemoso.weebly.com/uploads/1/3/4/3/134310147/8b2c8aedde.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412396/normal_5fa056572f198.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367310/normal_5f97d86b805f0.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/4b8d64f8-60c2-4067-99b7-61ff27b80d6b/livugupewovabesak.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4133ee31-6771-4fdd-8ad3-d9fd50006511/juvijugi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/11fd6382-92ac-4aa9-9a9f-2bcebb728c8f/18827695435.pdfIn PDF document text
- https://s3.amazonaws.com/lumixi/kumar_abhishek_md_mechanicsville.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.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c461.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC461	5224 bytes
SHA-256: `83ae0cd7d7525aacd0de9dddb3bb9bf845af1b0ae6fa22c370d17ca5cd871a0e`
`font_01_sfnt_off0000d61b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD61B	11056 bytes
SHA-256: `ca367650d19b2fbe51e9c3c4fe09ec2e1c8c3997722ac13cb5a23a811ca80462`

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