PDF malware analysis — malicious · 1e1c520b2d37d203

MALICIOUS

PDF

47.8 KB Created: 2020-11-08 06:57:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-11

MD5: b2d75cd6927309e50fd0d774c3d4aa72 SHA-1: 31c053272d4a54572ee4664d53757580027c36cb SHA-256: 1e1c520b2d37d20326f019d8e49b417764ba31fb31d70a4156024602c9c65db4

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=would+you+hold+it+against+me+song PDF link annotation
- https://cdn-cms.f-static.net/uploads/4415525/normal_5fa5b656420bb.pdfIn PDF document text
- https://dowamiwimeguv.weebly.com/uploads/1/3/0/7/130775936/397550.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408336/normal_5f9807ab09e09.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372361/normal_5f9a1b19cb3b0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374540/normal_5f89f875483bf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449990/normal_5fa5edb983706.pdfIn PDF document text
- https://sifixibufe.weebly.com/uploads/1/3/4/3/134348909/9af65.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://wogofowebom.files.wordpress.com/2020/11/nosuzi.pdfIn PDF document text
- https://davametafa.files.wordpress.com/2020/11/zuronejaxadinepegodabuze.pdfIn PDF document text
- https://tibepitetuj.files.wordpress.com/2020/11/tekomutamatope.pdfIn PDF document text
- https://viziweg.files.wordpress.com/2020/11/god_bless_the_child_lead_sheet.pdfIn PDF document text
- https://libowok.files.wordpress.com/2020/11/aprender_alemo_gratis.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_off00007d3e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D3E	5260 bytes
SHA-256: `6143ea5f3aa60eea2cdb17222fdd1c7546dd783e06d07d7f904db481d825a1bf`
`font_01_sfnt_off00008f0d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F0D	10288 bytes
SHA-256: `91259c540b6aff337f448139d0e7a33f01ba6809030f06fea4afebe3b00990a7`

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