MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link that redirects to a malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'Angels in America audiobook' and the wkhtmltopdf application, suggesting a lure. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, likely for SEO manipulation or to host further malicious content. The ML_NYX_PDF_MALICIOUS classifier strongly indicates malicious intent.
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=angels+in+america+audiobook
- http://files.vertacc.com/uploads/1/3/1/6/131606844/9974012.pdf
- http://nipomoti.aldabragallery.com/uploads/1/3/1/3/131383483/xelik.pdf
- http://doxawe.glengramling.com/uploads/1/3/0/7/130775934/poberugawod.pdf
- https://cdn.shopify.com/s/files/1/0432/8456/2086/files/64638058385.pdf
- https://cdn.shopify.com/s/files/1/0428/9629/4051/files/lipossomas_de_ceramidas.pdf
- https://cdn.shopify.com/s/files/1/0433/4757/4949/files/latenaronijapopepib.pdf
- https://cdn.shopify.com/s/files/1/0427/7148/0742/files/76804196615.pdf
- https://cdn.shopify.com/s/files/1/0434/2484/1890/files/89565715990.pdf
- https://cdn.shopify.com/s/files/1/0430/5331/8306/files/mupedeziwojuxo.pdf
- https://cdn.shopify.com/s/files/1/0428/3272/4124/files/witinepenarokejufuvixiv.pdf
- https://cdn.shopify.com/s/files/1/0431/8828/9694/files/famojexidurosuwagogusajub.pdf
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/43735466919.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_off00006d11.bin9ea7d87f5cc9e891d6701f76f52b5e3657b314841cd03031094249eb4a854554 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D11 | 5452 bytes |
font_01_sfnt_off00007f7f.bin57119a85d322fb921c20b6799df098c09b6056e9eae0cd75b9e308c678b0d0b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F7F | 10352 bytes |
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