PDF malware analysis — malicious · 6adab597891cc75a

MALICIOUS

PDF

40.6 KB Created: 2020-11-06 20:01:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23

MD5: c387aa7a5936178cbf56d82c8430cbbf SHA-1: a672d54bfc07058031cc8851dee729ced84f67fe SHA-256: 6adab597891cc75afe2a8f7003c51e91aa8f1213274296703c4fa01020f207c5

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/aws?keyword=lg+flatron+l196+monitor+manual PDF link annotation
- https://suganolorifumu.weebly.com/uploads/1/3/0/8/130814011/ae1a7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427498/normal_5f9e742321bc6.pdfIn PDF document text
- https://rimosuvifakub.weebly.com/uploads/1/3/4/3/134310068/wugoki-wapanixojin.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403418/normal_5f92317abfba6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368242/normal_5f89d6599f2c1.pdfIn PDF document text
- https://nutolifawivu.weebly.com/uploads/1/3/1/4/131437776/d953f0df739370.pdfIn PDF document text
- https://pawonojureva.weebly.com/uploads/1/3/4/5/134522231/5496569.pdfIn PDF document text
- https://mamunazeve.weebly.com/uploads/1/3/0/8/130814121/wabibaku.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474999/normal_5fa4bff954222.pdfIn PDF document text
- https://pimetagedipimop.weebly.com/uploads/1/3/1/6/131636886/dogovitatu_vumudavu_simopiz_lekogobavutota.pdfIn PDF document text
- https://nimitokusewifoj.weebly.com/uploads/1/3/4/6/134647116/8230942.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://sirilab.files.wordpress.com/2020/11/35243403113.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_off00005e08.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E08	5212 bytes
SHA-256: `97436a25444029b1dd3c3626efbfacb23ae805a25492c4b320cc932f3cf0d925`
`font_01_sfnt_off00006fbb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6FBB	11268 bytes
SHA-256: `3c8828dc020283b9f63b3ee48505abded25a63ac294ac19fec08e015b838cd44`

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