PDF malware analysis — malicious · 993eda7dad52b9cd

MALICIOUS

PDF

42.6 KB Created: 2020-11-06 14:38:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2022-06-20

MD5: 180bd3302bf3e19f197a8179c60f838a SHA-1: 2d47121015c9a9278fabb7bcf97fd97d0eedcfc9 SHA-256: 993eda7dad52b9cd90e32f2fd7c792b9d9a9b9d5b79e37a1f6e4f1dfc36f309d

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://trafftec.ru/aws?keyword=sky+bet+epl PDF link annotation
- https://gebedevalofibut.weebly.com/uploads/1/3/4/3/134379687/rogemuxi-gomoze-vilew.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379987/normal_5f8ea37551a53.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387430/normal_5fa4c6613ca36.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385852/normal_5f9b18df1eca5.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/f682f001-aea9-4ecc-8cb6-844484201a8a/nikamoku.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/044c2667-e615-4c8d-8776-2ad543d536a8/52201707969.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0031c3a4-06f4-42fa-9ea7-0c67d0aedd35/web_of_symbols_geertz.pdfIn PDF document text
- https://s3.amazonaws.com/farezelof/illustrated_cabinetmaking_bill_hylton.pdfIn PDF document text
- https://s3.amazonaws.com/pujirageg/28244012117.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005dd6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DD6	4736 bytes
SHA-256: `38d0890efe364a5f2a3c295f6172a16197f30d3eca5f56d95c8692d2192ea27e`
`font_01_sfnt_off00006e10.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E10	2484 bytes
SHA-256: `8f5d2a3aa25b1000a9f4a92ec76126729adddfbc57b825ad448e276e4d1edcc0`
`font_02_sfnt_off000077df.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x77DF	11288 bytes
SHA-256: `69e21ca8467ff80b92fb29547700159f7595b76fd7fde05dd968d867d2f4c34b`

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