PDF malware analysis — malicious · 69b9ca6a17ec8b0a

MALICIOUS

PDF

43.8 KB Created: 2020-10-11 21:00:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10

MD5: b32bd358e9b16015b570d0b7af72358b SHA-1: 371923315e3fbd7f444ea15a9481c64f2e36bda9 SHA-256: 69b9ca6a17ec8b0a07c60630bae6d79b865c7cb47c859ee941505dff6780cf54

124 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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 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://gettraff.ru/strik?keyword=destiny+single+player+offline In PDF document text
- https://site-1042349.mozfiles.com/files/1042349/59506629645.pdfIn PDF document text
- https://site-1043381.mozfiles.com/files/1043381/19151341306.pdfIn PDF document text
- https://site-1043119.mozfiles.com/files/1043119/25463196169.pdfIn PDF document text
- http://files.classicalballettheatermd.org/uploads/1/3/0/7/130739779/sodalorubusiteratove.pdfIn PDF document text
- http://kugefeta.sfp-training.com/uploads/1/3/1/4/131454143/tewipajofajolufok.pdfIn PDF document text
- http://files.lindsaykomar.com/uploads/1/3/1/4/131408970/4162801.pdfIn PDF document text
- http://files.herreraestrada.com/uploads/1/3/1/4/131408546/5203414.pdfIn PDF document text
- http://lawufu.shadowcreekchoir.com/uploads/1/3/1/3/131381762/056378c.pdfIn PDF document text
- https://site-1037018.mozfiles.com/files/1037018/manaw.pdfIn PDF document text
- https://site-1043843.mozfiles.com/files/1043843/tezosowesemowemodape.pdfIn PDF document text
- https://site-1036734.mozfiles.com/files/1036734/64200217894.pdfIn PDF document text
- https://site-1044164.mozfiles.com/files/1044164/vavovamavikek.pdfIn PDF document text
- https://site-1042734.mozfiles.com/files/1042734/bixazukowubafopiv.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/8f8e6843-49ea-41cc-9c3a-3088a965bdb9/tamufoguxozigigominolag.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6f20c9a-9403-43c4-a893-39e8d658bc94/50884949285.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/89b5ce89-4b73-407a-a602-082ff756952c/wufawivirunujuzuse.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cecdaac0-1f60-43b9-a97f-5c067c49e96d/potesomedekuzetifudepeba.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_off00006d87.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6D87	5172 bytes
SHA-256: `894954ecda917bc3f9161481c51936d268a1e4d386d111014a4b5cfc99541f8d`
`font_01_sfnt_off00007f35.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F35	10324 bytes
SHA-256: `4b62011d1e39329c11bdae1c97f3f08f5f898da3c99edb8ff0df5e11fb123875`

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