PDF malware analysis — malicious · 7df324fbe6a45c04

MALICIOUS

PDF

46.6 KB Created: 2020-11-09 02:15:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-15

MD5: 26e5a4f7595efb92486fd3d60d06d52d SHA-1: 52456b8f885e2e56047c7b2e17abc7844b31da14 SHA-256: 7df324fbe6a45c04bb746ac26396ba5a6d40da1e44a70a7d84ab565cf7a009f1

76 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK

PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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=starfinder+character+operations+manual+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4411500/normal_5fa69abe13e11.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365539/normal_5f8bf19241a28.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388428/normal_5f9ae880e813d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451941/normal_5fa028b402aa6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373755/normal_5f93d7f783a8d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380887/normal_5fa4d3d87f153.pdfIn PDF document text
- https://furureseseruwa.weebly.com/uploads/1/3/4/4/134481841/fonedofivizatij.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/kisimujuk/la_verdadera_historia_de_hello_kitty_completa_en_espaol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c9b8e2d7-83a0-4ad6-84cf-8fa1a2127c00/caracteristicas_del_seminario.pdfIn PDF document text
- https://s3.amazonaws.com/gedimuta/entrepreneurship_skills_development_zimbabwe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c662728-0483-4a52-b864-c74f4f947867/ketamulizowobimiweku.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_off000077ea.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x77EA	5500 bytes
SHA-256: `e24488396ef68048002743f572a4e0e6764c786815cefc0a5e5c0aba94bcde87`
`font_01_sfnt_off00008a74.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A74	10320 bytes
SHA-256: `454c48c41f8cbc0591ac882dda0c16af9ad2d4adf7b822fa8e0816980cf3bd67`

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