PDF malware analysis — malicious · 4e3cf809c4a3b577

MALICIOUS

PDF

46.8 KB Created: 2020-10-17 09:44:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-19

MD5: 811fe6de7381a723aa7d563fc204bb24 SHA-1: 45b32d535afb633a9d62d1377ca7ca3b65c0947d SHA-256: 4e3cf809c4a3b57760edc1b09073b356e05101c1e1f830ee67987972b987651a

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.me/123?keyword=convert+pdf+to+jpg+linux+high+quality In PDF document text
- https://riragojefo.weebly.com/uploads/1/3/1/8/131857115/vigajig.pdfIn PDF document text
- https://rolosakuzorega.weebly.com/uploads/1/3/1/3/131379035/64eac.pdfIn PDF document text
- https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/4733702.pdfIn PDF document text
- https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/6119011.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370078/normal_5f880cb26425d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367674/normal_5f8944a7138dd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368506/normal_5f882e423af4d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366011/normal_5f877f03eaeea.pdfIn PDF document text
- https://wesoxiworikezux.weebly.com/uploads/1/3/1/3/131380467/miveteputomus_kexeno_laveziro.pdfIn PDF document text
- https://rixokofumi.weebly.com/uploads/1/3/1/3/131380985/duzof.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378175/normal_5f8a3df133e07.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366033/normal_5f88120ec0268.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369794/normal_5f88145463f15.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0501/5443/8846/files/voice_to_text_converter_android_app.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6815/2216/files/zenevu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0484/0665/9240/files/euro-pro_x_464xc_sewing_machine_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/70819a5f-1d6b-4ce4-ba57-bb5e0e2062f7/toberewo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/139d5923-a511-4f8f-becb-bce0da2e83f6/30312052781.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a4ec0cbf-bbcf-4669-9408-c61ea917d8f9/repumovavo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3d1b303-aeac-4dd3-8b9c-47ae87b6335d/tomasomol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/57bf4775-7334-40c0-a258-ec84c2d4a2a1/davexunoginof.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_off00006a9d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6A9D	5464 bytes
SHA-256: `462a14b25678a1a22dd1121979e142d0df81993f1cc40bbc2322d6cdd4faea0c`
`font_01_sfnt_off00007d42.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D42	10032 bytes
SHA-256: `c8c062bbadde70f42c7b5e1214b1d8aaadcf02a13d138229b86793c1a7210930`
`font_02_sfnt_off00009f95.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9F95	4324 bytes
SHA-256: `ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3`

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