PDF malware analysis — malicious · e862f83dcd636f82

MALICIOUS

PDF

41.7 KB Created: 2020-11-07 03:51:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23

MD5: 7986dee55e8dd0150cc3c29187e604c5 SHA-1: bc2feabd01c9bc28be041a6cccc18e9988eac614 SHA-256: e862f83dcd636f8225968dcdf6f1468b79a995709b5dc53c7bd20559d1c23952

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=canon+printer+mg3520+manual PDF link annotation
- https://labajilawuja.weebly.com/uploads/1/3/1/4/131406369/7bd632.pdfIn PDF document text
- https://donodofi.weebly.com/uploads/1/3/1/8/131856097/muvov-bitive-dukax.pdfIn PDF document text
- https://tenasedoba.weebly.com/uploads/1/3/4/3/134333827/jujesosuzizo.pdfIn PDF document text
- https://dupizonax.weebly.com/uploads/1/3/1/3/131380343/141da506c0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372740/normal_5f980edb7658f.pdfIn PDF document text
- https://sopulekazixov.weebly.com/uploads/1/3/0/7/130776801/bopekaja.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369317/normal_5f9657b1815d6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369511/normal_5f9fd9fa639cf.pdfIn PDF document text
- https://repafajekojila.weebly.com/uploads/1/3/4/3/134305679/4901.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/436311dd-703b-4c1a-83e9-ee709fdf1f07/pebble_creek_ski_area.pdfIn PDF document text
- https://s3.amazonaws.com/widuxade/basic_electrical_engineering_by_chakrabarti_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d1f9843-64d4-484b-a7a6-949206d6bc9d/3239591528.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_off0000634c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x634C	5428 bytes
SHA-256: `8a296198e6cc648fe10f5b6f71d9baa673a9ec309da5b1032bdeefb0f9bdec36`
`font_01_sfnt_off000075b4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x75B4	10800 bytes
SHA-256: `d65635b57249a524c05947fa986ff0e6f0695e31f698bd172eb8be5dd9e19af9`

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