PDF malware analysis — malicious · 51887a47630d6c1f

MALICIOUS

PDF

36.6 KB Created: 2020-11-06 01:20:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-15

MD5: ac4d14affb3ce5859d49ca751f6ce271 SHA-1: 2b985f1a1f0f9d4a722e6d80ae0bfe0a8aca123c SHA-256: 51887a47630d6c1f45691525e6e49c13205179d0a484734dbc58d4b3ef10b116

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/aws?keyword=cholayil+pvt+ltd PDF link annotation
- https://nuvisinuxaxo.weebly.com/uploads/1/3/1/3/131383681/lepixe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365642/normal_5f873b5b7f772.pdfIn PDF document text
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/lixavej_rivutavipulox_vunezikavad_lirumonoguwako.pdfIn PDF document text
- https://vilemanunopabom.weebly.com/uploads/1/3/4/3/134317174/godojatogig.pdfIn PDF document text
- https://bowilidorufe.weebly.com/uploads/1/3/4/6/134603038/nigisaropu.pdfIn PDF document text
- https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/negejenuxu_fubomudozapaxon.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417045/normal_5f958e30d4f49.pdfIn PDF document text
- https://ralerafuzirepob.weebly.com/uploads/1/3/4/3/134386916/0372bb08.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/xajowu/destination_b1_online.pdfIn PDF document text
- https://s3.amazonaws.com/fowikorejodi/guxapeneduxidoruripazoko.pdfIn PDF document text
- https://s3.amazonaws.com/wonoti/kepiwerarumokuwenakup.pdfIn PDF document text
- https://s3.amazonaws.com/piradi/lapukogokup.pdfIn PDF document text
- https://s3.amazonaws.com/suxugipipolazog/29620330191.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_off000051af.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x51AF	4840 bytes
SHA-256: `3e703f3161ed856f308bd4231917c3d097ea3193544fc06e82756fe58a369f18`
`font_01_sfnt_off0000622d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x622D	10796 bytes
SHA-256: `8faf3ebfaa0212a7daa2f363acfb39f8a4a01e096237ae0fea56334a444cc7f5`

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