PDF malware analysis — malicious · ad8f661cd0c7db62

MALICIOUS

PDF

40.8 KB Created: 2020-11-06 17:07:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 12abe10baf00a0a5f37acc030be23c27 SHA-1: 14982c3687a3e5532c08448f08e8bc20330b5de6 SHA-256: ad8f661cd0c7db620648e5fe9c99d421d45da8da0ffd9ab3d062d0de397480ee

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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.
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://traffnew.ru/aws?keyword=proportions+in+right+triangles+calculator PDF link annotation
- https://cdn-cms.f-static.net/uploads/4384639/normal_5f97117791684.pdfIn PDF document text
- https://vugilove.weebly.com/uploads/1/3/4/2/134234765/9302295.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379387/normal_5f9ff7d626bf3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368229/normal_5fa2ea4313145.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368735/normal_5f90ceee7209e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393502/normal_5fa00366cd087.pdfIn PDF document text
- https://nudojafobedem.weebly.com/uploads/1/3/1/3/131379550/7240363.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376404/normal_5f9f0f0577663.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381081/normal_5f8f235b81d32.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373516/normal_5f8dac8d4740c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462688/normal_5fa3635d11f6a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393220/normal_5fa2dacba9568.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off000060ba.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60BA	5196 bytes
SHA-256: `46efa39f15ce6dcf6c395bc3d74a8f6c56b1bdae8f4f741172b7ac6b9dfad211`
`font_01_sfnt_off00007264.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7264	10584 bytes
SHA-256: `9ceb5eaf6045ae6d21ee6b8cd7a6f663c0754de62d245255069364b36cd30d95`

Open this report in the interactive analyzer, or submit your own file for analysis.