PDF malware analysis — malicious · 7db7a9c20545dda5

MALICIOUS

PDF

40.8 KB Created: 2020-11-09 11:41:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23

MD5: cd75edea3ab9ead3905baa66d69d7837 SHA-1: 547979dd7ccc3bbcedca1a362feaefbb16bf79c5 SHA-256: 7db7a9c20545dda5b053f56e24fbfad9993286fc0bd81e627ba5390a32acc419

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=removing+a+curse+with+egg PDF link annotation
- https://xexovelez.weebly.com/uploads/1/3/0/8/130813416/supiwatoxanesurev.pdfIn PDF document text
- https://tivowigelatel.weebly.com/uploads/1/3/4/4/134495783/mikek.pdfIn PDF document text
- https://xusuzipurojovup.weebly.com/uploads/1/3/4/3/134325257/konati.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447647/normal_5fa30acd24e0e.pdfIn PDF document text
- https://repugonajipivup.weebly.com/uploads/1/3/0/8/130814926/8563257.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383295/normal_5fa1228863de5.pdfIn PDF document text
- https://mijisurux.weebly.com/uploads/1/3/1/0/131070147/rojox-vudinedazipedu.pdfIn PDF document text
- https://xusawoji.weebly.com/uploads/1/3/0/7/130739635/nuxidodirag_vunoko.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/ronenitevodo/la_fitness_edina_reopening.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8f2ee94-da8a-493d-9049-f57152605b26/56893580389.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea0f3107-49db-446c-b918-76ee8226724e/dragon_ball_z_cast.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_off000060a5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60A5	5340 bytes
SHA-256: `9a6761fed781b797c65edbcb5c22d9b93e430eb997d524cebcb6aec66aebb56c`
`font_01_sfnt_off000072bf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x72BF	10620 bytes
SHA-256: `c6eab567a25c674c9f4479aba1db20955170b187211d0c041fa40833dc7f8d10`

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