PDF malware analysis — malicious · 7931fb4d06cb3f3a

MALICIOUS

PDF

45.4 KB Created: 2020-10-18 23:59:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-14

MD5: ed6f8fb43b7a3a46dec7f9dcd12f77c5 SHA-1: a065ecc179a06c9246d4e4502c4b8d1ea5c71770 SHA-256: 7931fb4d06cb3f3aab326e5a471f0d15ec5426fafc1e14531a3c87a3ce667448

184 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.
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.
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://ttraff.com/123?keyword=otitis+media+serosa+en+ni%25C3%25B1os+pdf In PDF document text
- https://masogipu.weebly.com/uploads/1/3/1/6/131606875/7046071.pdfIn PDF document text
- https://zekuwatifakaxi.weebly.com/uploads/1/3/2/8/132815855/9498234.pdfIn PDF document text
- https://jovikuveditowe.weebly.com/uploads/1/3/0/8/130874612/1131ef.pdfIn PDF document text
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/36ce75ac.pdfIn PDF document text
- https://gewosawoma.weebly.com/uploads/1/3/0/7/130739201/kuziwotozumuge.pdfIn PDF document text
- https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/6023986.pdfIn PDF document text
- https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/bizerokiva.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372105/normal_5f88d02ad2177.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366007/normal_5f874fa501930.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369660/normal_5f8b6d5a65564.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367920/normal_5f8acb55ca8ed.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366337/normal_5f874f9d289fc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365562/normal_5f89ae9a863d3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366949/normal_5f8757cf0db5f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378378/normal_5f89fb737000f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370309/normal_5f88556f000a6.pdfIn PDF document text
- https://kesevaze.weebly.com/uploads/1/3/1/3/131383297/dufaderosovebexa.pdfIn PDF document text
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/jasamejug-jenutuzudemeluf.pdfIn PDF document text
- https://zukamukenipebo.weebly.com/uploads/1/3/1/3/131380388/a6cb3.pdfIn PDF document text
- https://sibakixode.weebly.com/uploads/1/3/2/8/132814768/pekaritudenulujubowo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0479/6153/8727/files/52579786467.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5221/1099/files/home_depot_corrugated_plastic_clear.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0486/5779/3192/files/nilap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0455/9519/files/grinch_halloween_costume_adults.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_off000070fc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x70FC	5396 bytes
SHA-256: `03cb5396682078d3821e4f057053468c4b19adbb832fed5761743d5b743a25d3`
`font_01_sfnt_off000082f3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x82F3	10860 bytes
SHA-256: `c736a4efa1e15241968bb5c5ddea414d48a4e7eb106b8b79a51841ae753f345b`

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