PDF malware analysis — malicious · b30ea8c480f4ead8

MALICIOUS

PDF

67.7 KB Created: 2020-11-11 08:47:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 32b806374c316d4a69d72398c578f501 SHA-1: 1363b5058523a605326fe97da6163eaac37f39c1 SHA-256: b30ea8c480f4ead8ca7382b98194035b765bfcae72385a9730b58a34f2cd614f

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 0.9997

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/123?keyword=uniqlo+mission+statment PDF link annotation
- https://cdn-cms.f-static.net/uploads/4384463/normal_5f9affa31512c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380882/normal_5f923511bf548.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379971/normal_5f95fc798737e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370529/normal_5f8871ee2a789.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383930/normal_5f9c938cc564f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455914/normal_5fa0444270bb8.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/fasanag/adobe_reader_10_offline_installer.pdfIn PDF document text
- https://s3.amazonaws.com/lorerexeg/joloxedurixopesiwo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1046c17d-5d3f-4262-b25d-8ca00943685a/21522789691.pdfIn PDF document text
- https://s3.amazonaws.com/jamokaroxoj/adobe_acrobat_reader_viewer_editor_creator_mod.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dfe8567e-953f-4e01-97d6-8b5b90b47d76/11833220359.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2589b9d3-7705-4262-a61c-dc7629a56e1d/grieg_piano_concerto_sheet_music.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_off0000cb9a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCB9A	4852 bytes
SHA-256: `fc6fccf4173b1db7b506654a39f825dc0f1a455fa7c701ba6f813ef47985e7f1`
`font_01_sfnt_off0000dc12.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDC12	11208 bytes
SHA-256: `19557dadca06590bc77b685d94562e4cb35323b6aa04b3ce53b5b6be80330165`

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