PDF malware analysis — malicious · 7d59a6f3989e06ec

MALICIOUS

PDF

37.0 KB Created: 2020-11-09 15:03:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15

MD5: be0c62fd234454e022f7c1ddd86c155c SHA-1: 69dc380e1ef821855fe13d6a33e5089c3eebfc35 SHA-256: 7d59a6f3989e06ec9483a923bc0c062f8a16251300cac71c7b6512719f385138

66 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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/aws?keyword=seabee+combat+handbook+vol+1+ch4+answers PDF link annotation
- https://siregudak.weebly.com/uploads/1/3/0/7/130738759/zisiwedufilawike.pdfIn PDF document text
- https://polabufasol.weebly.com/uploads/1/3/2/8/132814050/nimifomun.pdfIn PDF document text
- https://peranuzepaz.weebly.com/uploads/1/3/4/4/134459051/mavopigo-dezivowozepamem.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380229/normal_5f9af73dac409.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384820/normal_5fa0bb474b879.pdfIn PDF document text
- https://sepikupi.weebly.com/uploads/1/3/0/7/130738949/068843758a79.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422658/normal_5f98254c455a1.pdfIn PDF document text
- https://riwisasivituw.weebly.com/uploads/1/3/1/0/131070703/4707947.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/roware/97222380725.pdfIn PDF document text
- https://s3.amazonaws.com/betefowubevat/61276631448.pdfIn PDF document text
- https://s3.amazonaws.com/gewisetug/jidafiwu.pdfIn PDF document text
- https://s3.amazonaws.com/tadovu/rotesebi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/55f4789d-5895-4296-8293-1f5f22ab5037/49634274384.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_off0000527f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x527F	5780 bytes
SHA-256: `c400ead109e2cc6e927a7b9407c2fede0f7e7a5160495f782e5827ac77d0f125`
`font_01_sfnt_off00006619.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6619	9788 bytes
SHA-256: `c99c9e8c2cfd3f6e2e96d8c7ef804d2c14f5801184a65c9343907575a9de049b`

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