PDF malware analysis — malicious · 0a21116cb2975a00

MALICIOUS

PDF

41.7 KB Created: 2020-11-08 02:43:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-02-18

MD5: 1b5396400a6d3b5f760570192e07516e SHA-1: 512ee4f9267554269492ca4f02851b303b53d9cc SHA-256: 0a21116cb2975a00a35ecd6fafa008dfe269505c3f50413d6d733a71f2a71c5a

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://trafffi.ru/123?keyword=double+eagle+m82+airsoft+gun PDF link annotation
- https://cdn-cms.f-static.net/uploads/4368955/normal_5f8f579090648.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369317/normal_5f8b9f4e25091.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377380/normal_5f9a8dc027e69.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444885/normal_5fa0f63b28125.pdfIn PDF document text
- https://zisokilusativ.weebly.com/uploads/1/3/2/3/132303079/6870353.pdfIn PDF document text
- https://rilebowiteb.weebly.com/uploads/1/3/3/9/133986594/kajanuru.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/015f31e5-fe9e-45af-95d4-f1c28e119924/20981350825.pdfIn PDF document text
- https://misizimafijo.files.wordpress.com/2020/11/joluxigoma.pdfIn PDF document text
- https://fizafadolozu.files.wordpress.com/2020/11/31713389540.pdfIn PDF document text
- https://wixisodek.files.wordpress.com/2020/11/rozemow.pdfIn PDF document text
- https://sufuvuse.files.wordpress.com/2020/11/3074016501.pdfIn PDF document text
- https://sidulemova.files.wordpress.com/2020/11/sulivobe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/006fc282-9027-40f3-afb4-66fde90bfa9e/39283538033.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_off000060a9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60A9	5552 bytes
SHA-256: `791fb08970775684f4c014cc04332590d11bfa2cbf3e987480fcdc1b47b33d51`
`font_01_sfnt_off00007379.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7379	11308 bytes
SHA-256: `7f66e8f2501c552360e3ed4512d209ce9a81b6f29a24d70a1c7381929e00ba8c`

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