PDF malware analysis — malicious · bad0c5cfc17eb6c7

MALICIOUS

PDF

40.0 KB Created: 2020-11-06 01:02:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 6faab787dfc98eeb46f12259b5e29664 SHA-1: 2044e4b4f89353981eb53c0a28a3a99d38c24b93 SHA-256: bad0c5cfc17eb6c75affb08cd69abd27b8bd9e103bf87a2ef288285cdc9f15df

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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://gettraff.ru/strik?keyword=informational+process+analysis+essay+topics In PDF document text
- https://cdn-cms.f-static.net/uploads/4367680/normal_5fa1c469cd335.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421629/normal_5f9748545f267.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383692/normal_5f9102a4edfca.pdfIn PDF document text
- https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/dulovelaxetufiz.pdfIn PDF document text
- https://meboguvogo.weebly.com/uploads/1/3/1/4/131437667/7382448.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369141/normal_5f8cb8491df16.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392220/normal_5fa42f24dbb62.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462976/normal_5fa4796aa2780.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388162/normal_5f9dbcc852de8.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/pewebopufupe/1685592803.pdfIn PDF document text
- https://s3.amazonaws.com/vatosolikijike/metric_conversion_chart_metric.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cce09b70-2f0e-487d-9715-86efe426a53f/tinofarej.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_off00005e01.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E01	5200 bytes
SHA-256: `65562127035024fbf04d965c143ce3df9217849809256f60c07630e81ca41a27`
`font_01_sfnt_off00006fa3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6FA3	10388 bytes
SHA-256: `790508bb958b94e4975657ec93b929560fcb723104bfc7f114ca1cdcf633e6ef`

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