PDF malware analysis — malicious · 253c59e629068d92

MALICIOUS

PDF

66.4 KB Created: 2020-11-18 15:57:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 4604b64a974b7c1be4a49424a9a6bcc2 SHA-1: d7ad7759e955d797215b7fee340f2270de0114e8 SHA-256: 253c59e629068d927ebf64d4c0f7029bd77db0905c9c4e3538d668f8732fbd98

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 0.9995

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://traffine.ru/strik?utm_term=peptide+vs+steroid+hormone PDF link annotation
- https://vonubaxuted.weebly.com/uploads/1/3/1/4/131452839/wopuvotawo-dasosiw-dedazijixibo-mijofuliwona.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407813/normal_5fa2f8f43a251.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/8fa12733-c3e0-4557-999e-c3d0e1a0b694/8383741444.pdfIn PDF document text
- https://s3.amazonaws.com/fenatagazise/travel_voltage_converter_transformer.pdfIn PDF document text
- https://s3.amazonaws.com/risisipajole/adaptive_control_karl_astrom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f69bca2e-aa1d-491a-8d1f-968165aec0b5/nodep.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/386a0f83-4f1f-4752-9333-6babb592a4e1/sufajaxulegepogajozi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eff9f38a-fbf6-4b8a-81cb-a54bd64a24c3/85789617775.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a30429e6-9cb9-4e44-a0c6-b51c21330b2a/tafifexovomovagi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef129d47-20ce-455e-9738-48e37aede489/wetuvakotetukotamaniz.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_off0000ca6d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCA6D	5016 bytes
SHA-256: `5a50a6c78c5617094acd6d7bf882cd51ed4a1ebe48f00372c8bab3a1c3877698`
`font_01_sfnt_off0000db5d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDB5D	9944 bytes
SHA-256: `559c73e5fa6d2c49efce74b55b273bbac1c2207d7ac8435ad8d0779a57eb6062`

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