PDF malware analysis — malicious · 9fd385478e0da5e7

MALICIOUS

PDF

55.8 KB Created: 2020-11-09 02:39:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-02-23

MD5: 57849e64be51442110793096bba3916f SHA-1: 010957f708e32118f7461d6e3cea261c202d15af SHA-256: 9fd385478e0da5e7024f532731c786eabae948cec9c59b7cfa140b1c3d11d41f

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://trafffi.ru/123?keyword=online+watch+full+movies+movie.com.pk PDF link annotation
- https://cdn-cms.f-static.net/uploads/4366366/normal_5f9c714725260.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373526/normal_5f903f7ddedc2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415300/normal_5f96815fda166.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403689/normal_5f9e2e8396576.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411246/normal_5f9625a1e3324.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/zizene/brachial_artery_anatomy_ppt.pdfIn PDF document text
- https://s3.amazonaws.com/remufuzu/bubuwuborebab.pdfIn PDF document text
- https://s3.amazonaws.com/kikunojulejuj/70453191283.pdfIn PDF document text
- https://s3.amazonaws.com/farezelof/underemployment_michigan_2020.pdfIn PDF document text
- https://suvarofora.files.wordpress.com/2020/11/95519257918.pdfIn PDF document text
- https://s3.amazonaws.com/mukut/joxoxes.pdfIn PDF document text
- https://s3.amazonaws.com/wekibik/albania_visa_application_form.pdfIn PDF document text
- https://s3.amazonaws.com/kimoweworape/shooter_games_unblocked_hacked.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_off00009b16.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9B16	5436 bytes
SHA-256: `7099de855e0654ad63a6d9092166e2626fd6ad947da20e6cab06fd1e3f46401a`
`font_01_sfnt_off0000ad90.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAD90	10800 bytes
SHA-256: `f4d483212323005abb2f4f232d5567c3cb9695fe7fc49663cc8bbe1a5f138203`

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