PDF malware analysis — malicious · 478782a130115c5c

MALICIOUS

PDF

58.3 KB Created: 2020-10-23 10:38:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20

MD5: d386ad0fda1a46955e267d2dee28e09f SHA-1: 10b211cbf080c7c1aaaef5c3ad3d7de78f9f620c SHA-256: 478782a130115c5c24da563bea4339104387452cdf7b1acb7e8fc0a0cded84b9

194 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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.
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://ggtraff.ru/wb?keyword=hardware%20and%20software%20firewall%20pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4366965/normal_5f8a10c01c573.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382429/normal_5f8fb16578d83.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366011/normal_5f8d033106dc0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369777/normal_5f8df9d5e8731.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374013/normal_5f89dc27c64df.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368265/normal_5f8af9baa4535.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366036/normal_5f86f409ad848.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383314/normal_5f8d9e955cd54.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368782/normal_5f8f8cd23ce04.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366371/normal_5f872ea884df6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374371/normal_5f8c7a39b7f47.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374533/normal_5f8be77f51b3e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368781/normal_5f88a5dd8ac4f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368469/normal_5f88823b5c2a3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379969/normal_5f8f332ef1247.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/da7e09f5-f47f-4e6c-a952-e6aec8729bce/wugifobag.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/30259782-f814-4958-8bf0-ea5b8ca7c788/vimebasarifuru.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8beaf062-2579-44fe-afc8-abcd5497f0e9/dreamer_ozzy_osbourne_piano_sheet_music.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1a759b0b-c9cb-45f5-b735-8be7f55a7a7b/56381329188.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b9e4f477-2fe6-4468-8956-3662ff4bca25/2041257827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0481/0201/5139/files/polododerogibumesurades.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0495/4721/5000/files/kasud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0495/6864/5272/files/58616352085.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9302/4149/files/67885191802.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0502/2393/9753/files/nominalisierung_bungen_c1.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_off0000a289.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA289	5088 bytes
SHA-256: `525a599781b20a864df013f69b7cac00ae87c38ee9773b9522154d19c48e2fa1`
`font_01_sfnt_off0000b3f4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB3F4	11536 bytes
SHA-256: `a8077881bdb738c6e3dd6c9e90da76f3fb2af7451643cc276560004f806f5c01`

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