PDF malware analysis — malicious · d6f191208e9a6016

MALICIOUS

PDF

42.8 KB Created: 2020-11-09 00:08:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23

MD5: 973a1652942923d8579d20bb853aaace SHA-1: a3f3ed28a473522accac4472e6b2c1eb10b384e2 SHA-256: d6f191208e9a60162debe91fba5dc0adf306dae7690c3e52241b25085fc9a730

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/123?keyword=andy+warhol+music+video PDF link annotation
- https://rixijufufapug.weebly.com/uploads/1/3/4/4/134497528/4eb4d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454163/normal_5fa0b772561e6.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/gorajikunobixi/33754548234.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8038408b-7429-4911-9af9-a574976882fe/48499973247.pdfIn PDF document text
- https://s3.amazonaws.com/kavitokolezub/9054822333.pdfIn PDF document text
- https://tegorijike.files.wordpress.com/2020/11/tozakosotelazepi.pdfIn PDF document text
- https://gutowomos.files.wordpress.com/2020/11/case_files_pediatrics_5th_edition_free.pdfIn PDF document text
- https://s3.amazonaws.com/muxegeza/13322680375.pdfIn PDF document text
- https://derefaraduz.files.wordpress.com/2020/11/conquerors_blade_3_day_download.pdfIn PDF document text
- https://pevimuve.files.wordpress.com/2020/11/the_road_to_learn_react_review.pdfIn PDF document text
- https://s3.amazonaws.com/suximawo/janna_guide_s6.pdfIn PDF document text
- https://monirasuwa.files.wordpress.com/2020/11/1863560479.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_off000066cf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66CF	5420 bytes
SHA-256: `fef6910b0d809799ee02883feb62dac9338bcd15696bcf038964befd3e08aa28`
`font_01_sfnt_off00007930.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7930	11108 bytes
SHA-256: `d974263a333ec55e49fa40fc03d6f857ebb17e7f0a3739793814356665ce66c8`

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