PDF malware analysis — malicious · bf6ce0bbe5cc4804

MALICIOUS

PDF

66.6 KB Created: 2020-12-17 00:10:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 15eb882b15acdb9e35ba23b81235b42f SHA-1: 4f1839eec01265286ed88c1c466c5c0da2acd7b9 SHA-256: bf6ce0bbe5cc4804781b31868a9c180ab4faaecd7eb4017d3f2c381c88f5d952

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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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/aws?utm_term=rental+form+in+spanish PDF link annotation
- https://cdn-cms.f-static.net/uploads/4366341/normal_5f93d0efbab9d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388612/normal_5f95b31f6f6e0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485301/normal_5fcdbcad59dde.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464707/normal_5fd86ee39ef12.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380382/normal_5fc0991575b99.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368501/normal_5fbeb1175ecfe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370092/normal_5f8ceaba0f8d8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fc5b305116eb00e3c6cd0a6/t/5fd6f8f889566e781f647d84/1607923960737/excel_compare_2_sheets_for_duplicates.pdfIn PDF document text
- https://s3.amazonaws.com/fevobelijogal/tata_sky_mobile_app_kaise_kare.pdfIn PDF document text
- https://s3.amazonaws.com/wapabefizosumi/19828516988.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc4ca9c17e7202640030589/t/5fca6c1e21b8120a24f68721/1607101470852/dragon_ball_z_energy_drink_review.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_off0000c728.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC728	5148 bytes
SHA-256: `ec1ce11cf9a16b6337d908b64f10455db4b1ede7105f2a6ff53d5c2acd8f21f3`
`font_01_sfnt_off0000d886.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD886	11396 bytes
SHA-256: `c2ed487cde150ec29216b652097ea3ca544cabd0db3a81945f76d82d74352fce`

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