MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links to external resources, masquerading as a document about 'bronchiolitis obliterans'. One of these links, 'https://ttraff.ru/pify?keyword=bronchiolitis+obliterans+pdf', is identified as a malicious redirector. The ML classifier strongly indicates malicious intent, and the presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content.
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=bronchiolitis+obliterans+pdf
- http://files.realhelpconsulting.com/uploads/1/3/2/8/132814791/jomapa.pdf
- http://files.lalarukhgroupofhouseboats.com/uploads/1/3/2/6/132681351/jorapafiseniwugidika.pdf
- http://files.myoptique2020.com/uploads/1/3/2/6/132695741/zudug.pdf
- http://dokewedoz.sal-elsayed.com/uploads/1/3/2/7/132710621/9a1dc5a4603937e.pdf
- https://cdn.shopi
- https://cdn.shopify.com/s/files/1/0431/9415/5170/files/left_view_of_binary_tree.pdf
- https://cdn.shopify.com/s/files/1/0437/6159/8616/files/financial_spread_betting_for_dummies.pdf
- https://cdn.shopify.com/s/files/1/0432/8180/9558/files/8817917613.pdf
- https://cdn.shopify.com/s/files/1/0430/3277/2757/files/70569181007.pdf
- https://cdn.shopify.com/s/files/1/0432/9019/8180/files/dofefebawemejemidogux.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rosetotirumeza.pdf
- https://cdn.shopify.com/s/files/1/0431/3248/5793/files/8895292979.pdf
- https://cdn.shopify.com/s/files/1/0431/7102/0964/files/94095697312.pdf
- https://cdn.shopify.com/s/files/1/0434/8729/7696/files/9493094050.pdf
- https://cdn.shopify.com/s/files/1/0429/6821/9799/files/soruxoremoxavul.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a1df.binebdb88ccf2d0c9f77e565087ecde5ac63cf9469cfd2c3eba0d4531e133bbd082 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA1DF | 5220 bytes |
font_01_sfnt_off0000b37c.bin54802b4f4884f4d83fbb12b4810be7d85c1ca645d44d60d46a20cd692263aa71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB37C | 13568 bytes |
font_02_sfnt_off0000de50.bince7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE50 | 4324 bytes |
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