PDF malware analysis — malicious · 870339ece7a6a23b

MALICIOUS

PDF

36.5 KB Created: 2020-11-07 07:06:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-03-01

MD5: c073e766e68caa72dca324315e70376e SHA-1: 2a9a65a43af5ed636c3d6f65ee29b6093c110d9f SHA-256: 870339ece7a6a23b48e8c5af3eac19043ce4912a86399025e08cfc10a23aaf7b

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=5.4+ied+pltw+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4450151/normal_5fa5527157fd4.pdfIn PDF document text
- https://wurikosaradusif.weebly.com/uploads/1/3/1/3/131384544/fibipakarikobeg_mozek_guxif_voledesuv.pdfIn PDF document text
- https://nulunofelixor.weebly.com/uploads/1/3/4/6/134646046/2943108.pdfIn PDF document text
- https://jewajufigojoxi.weebly.com/uploads/1/3/1/4/131438211/7689730.pdfIn PDF document text
- https://miwilokak.weebly.com/uploads/1/3/4/3/134375457/jidewil.pdfIn PDF document text
- https://zavomori.weebly.com/uploads/1/3/4/3/134335150/cd176.pdfIn PDF document text
- https://sofakixejiz.weebly.com/uploads/1/3/4/2/134265497/vigetorufojixig.pdfIn PDF document text
- https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/siwosaxazagazija.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376870/normal_5f947ec1d5191.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/pazifetanegapu/tourisme_pyrnes_orientales.pdfIn PDF document text
- https://s3.amazonaws.com/xubifupi/kira_kira_summary_chapter_12.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bb5428c4-0455-4c73-8857-85227adb9537/sifujusevikunobesomir.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_off00005055.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5055	5192 bytes
SHA-256: `fedd23a7c3b3008d12f9332d633b730ff0ac5c867adeeb65d362486aea1cdde0`
`font_01_sfnt_off0000622e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x622E	10464 bytes
SHA-256: `6883039396c2d904d7dc7878ca890bc622dde8c2d5772b8b823b0a9e98fcbdce`

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