PDF malware analysis — malicious · 49fe18db3619dc82

MALICIOUS

PDF

47.9 KB Created: 2020-11-04 01:53:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15

MD5: e141a532d095924c2f5108c876164763 SHA-1: 85c969804b05501cc5c43154d9dcc24f4bdbae22 SHA-256: 49fe18db3619dc828ce55b5fa9f47ec15a246331887ea4b35d13ce678755b7b8

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a malicious redirector link, identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK, which points to 'https://ttraff.link/123?keyword=odyssey+manual+conversion'. This indicates the document is designed to lure users to a potentially harmful website. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, but the presence of the malicious URL is sufficient evidence of malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

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.
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.link/123?keyword=odyssey+manual+conversion In PDF document text
- https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/8709547.pdfIn PDF document text
- https://buveziketi.weebly.com/uploads/1/3/1/3/131398526/088317f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375696/normal_5f9c70eba139e.pdfIn PDF document text
- https://gasipepimajut.weebly.com/uploads/1/3/4/3/134367512/7267114.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366958/normal_5f96702ae06ca.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380226/normal_5f9c7882dbf44.pdfIn PDF document text
- https://kivepuwepadile.weebly.com/uploads/1/3/4/3/134392404/xazarupuzatuj.pdfIn PDF document text
- https://gobisenuginofaz.weebly.com/uploads/1/3/4/4/134490447/9299766.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369653/normal_5f983d9200cbe.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/pazifetanegapu/boxall_profile_handbook.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_off00007b11.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7B11	5272 bytes
SHA-256: `c49f0d268df6f941969957b464e279de813b927a61ecae62f40ed080876d21a8`
`font_01_sfnt_off00008cef.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CEF	11268 bytes
SHA-256: `35aa65cc08e5251efcb783fc395c13b42c02a997aad49efa9368cf774f906513`

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