MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains embedded links that are part of a link farm, with one specific link identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to a 'Vizio sound bar manual' and the malicious redirector URL. This suggests a social engineering attack aiming to trick users into visiting malicious sites by posing as legitimate documentation.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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.ru/pify?keyword=vizio+sound+bar+38+5.+1+manual
- http://teranu.coonrapidscrimeprevention.org/uploads/1/3/0/7/130738918/milewimo-zezivodugujej-lizinijimav-dapakut.pdf
- http://veroxa.ernst-arch.com/uploads/1/3/0/7/130776132/b881083659.pdf
- http://files.grandoaksatx.com/uploads/1/3/0/7/130740049/5525136.pdf
- https://cdn.shopify.com/s/files/1/0430/7812/3680/files/33618430675.pdf
- https://cdn.shopify.com/s/files/1/0436/5982/1209/files/behavioral_genetics_6th_edition.pdf
- https://cdn.shopify.com/s/files/1/0437/5127/6696/files/53972619945.pdf
- https://cdn.shopify.com/s/files/1/0431/1256/2849/files/18090855183.pdf
- https://cdn.shopify.com/s/files/1/0432/9088/6312/files/information_security_news_site.pdf
- https://cdn.shopify.com/s/files/1/0436/4782/8133/files/81829665887.pdf
- https://cdn.shopify.com/s/files/1/0459/6223/1967/files/4347444701.pdf
- https://cdn.shopify.com/s/files/1/0434/0678/6725/files/pufanebefakixexeb.pdf
- https://cdn.shopify.com/s/files/1/0438/9735/6443/files/mastering_a_and_p.pdf
- https://cdn.shopify.com/s/files/1/0431/5506/2948/files/ketuf.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000546c.binc398af9076f4f389f5b59e0e38f7dddaef23921fc82dccd61fc26b6772e1b4e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x546C | 5692 bytes |
font_01_sfnt_off000067bb.bin098fe9afcb3dab790f4fa5366634133f2ea61155e9c2b12fb6440bdc4efdc820 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67BB | 10272 bytes |
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