PDF malware analysis — malicious · 55c0e5fd83c9e937

MALICIOUS

PDF

51.0 KB Created: 2020-11-08 20:27:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23

MD5: 351f6ba8aac9f823a555cc11823b6bcb SHA-1: 73f60a9bf8bea780f0987715e734f15445696f1f SHA-256: 55c0e5fd83c9e9373c38003def1b794388ddc0d484e039147e66a885b81505c6

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://traffset.ru/123?keyword=game+gear+price+guide PDF link annotation
- https://litazivufili.weebly.com/uploads/1/3/4/3/134305244/523481.pdfIn PDF document text
- https://jepusujejo.weebly.com/uploads/1/3/4/5/134598091/1050094.pdfIn PDF document text
- https://tarirubawapub.weebly.com/uploads/1/3/1/6/131606173/7082916.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417669/normal_5f95e77c10a12.pdfIn PDF document text
- https://folemazilepi.weebly.com/uploads/1/3/1/1/131164248/32708f917bd167e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380413/normal_5f8bab8ac7bac.pdfIn PDF document text
- https://gugukufetufa.weebly.com/uploads/1/3/4/3/134337187/9565392.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384828/normal_5fa55a35dc2d8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382618/normal_5f9d09f0dbe64.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391015/normal_5f9b56e01513b.pdfIn PDF document text
- https://rixidagetowema.weebly.com/uploads/1/3/4/6/134612143/6759460.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/levovod/degradacion_fisica_del_suelo.pdfIn PDF document text
- https://s3.amazonaws.com/wilugugo/effects_of_smoking_on_health.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_off0000875a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x875A	5212 bytes
SHA-256: `b8fd84cf0f22fded2308ab67f6974a1e7927d7f29b9a696cc9aff1633d3add9c`
`font_01_sfnt_off00009903.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9903	11176 bytes
SHA-256: `25e193134b966f24149cbf978a9dfa0620c54a3318b51180be957e464d57a9cb`

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