PDF malware analysis — malicious · 1085eef6d532f1a7

MALICIOUS

PDF

66.4 KB Created: 2020-11-16 16:16:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 9916bbfb55cf28d7173584baa8bc4f70 SHA-1: 14ece582724107aef3088970fc38fc4e5eebc204 SHA-256: 1085eef6d532f1a79c459772e578e9b1921d5097f5e7f907bb087ae852b82503

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://trafftec.ru/123?utm_term=ace+knee+support+one+size+adjustable PDF link annotation
- https://pareropifu.weebly.com/uploads/1/3/4/3/134349273/7023992.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369917/normal_5f892aab66a15.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377938/normal_5f8ea6db8ddcb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412763/normal_5fae78a35cf32.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/1758b083-9ed0-4709-9f85-93fa140fffcf/faxigego.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/73e63adb-1640-47e8-9e61-4de443a94f9c/sedra_and_smith.pdfIn PDF document text
- https://s3.amazonaws.com/rewepalazamiso/msbte_question_paper_with_model_answer_sheet.pdfIn PDF document text
- https://s3.amazonaws.com/zevutebulaworel/53705006834.pdfIn PDF document text
- https://s3.amazonaws.com/metubevozisul/didifole.pdfIn PDF document text
- https://s3.amazonaws.com/sugosubexez/47888036109.pdfIn PDF document text
- https://s3.amazonaws.com/metakibeme/jarukazanubilizutatati.pdfIn PDF document text
- https://s3.amazonaws.com/divelatoxa/lorizovonolosojasubeko.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3fcafb6c-7288-423f-ac92-782c8965abb6/bipawi.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_off0000c4cf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC4CF	5384 bytes
SHA-256: `44d039871a905e2f82a069f59540f13460c2cbf9ef7063286008031d14ff2c28`
`font_01_sfnt_off0000d738.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD738	10476 bytes
SHA-256: `78e37f1e4fc1da30c533ab4ddd9e5008ebd13c3036dd318e4f1cc62a859c5923`

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