MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, with a critical heuristic identifying a link to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=asd+3s142+download', suggesting a lure for users to click and be redirected. The ML classifier strongly supports the malicious nature of this PDF.
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=asd+3s142+download
- http://files.design-disability.org/uploads/1/3/1/8/131871670/9101526.pdf
- http://files.brandywineseptic.com/uploads/1/3/0/7/130775063/9ea4b0.pdf
- http://files.beliefne.net/uploads/1/3/2/6/132695566/movubuvex.pdf
- http://files.tnrnewspaper.com/uploads/1/3/0/7/130740062/12df154617a.pdf
- http://files.ideltoro.us/uploads/1/3/0/8/130814390/tomuxexi_mofipawakuvom.pdf
- https://cdn.shopify.com/s/files/1/0430/5072/9634/files/fawedikexofakezipomujefu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59022585862.pdf
- https://cdn.shopify.com/s/files/1/0435/9897/1038/files/widupokilufisolusa.pdf
- https://cdn.shopify.com/s/files/1/0435/4582/1333/files/82120694034.pdf
- https://cdn.shopify.com/s/files/1/0440/6794/6648/files/9286384126.pdf
- https://cdn.shopify.com/s/files/1/0427/9150/1990/files/nejixokasanimagoloralafot.pdf
- https://cdn.shopify.com/s/files/1/0433/4632/9750/files/ronetutewuguxivonugopiro.pdf
- https://cdn.shopify.com/s/files/1/0434/0318/2231/files/86316947504.pdf
- https://cdn.shopify.com/s/files/1/0433/8493/0462/files/95452998652.pdf
- https://cdn.shopify.com/s/files/1/0434/0737/6542/files/geology_labs_online_virtual_river_discharge_answers.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/
- https://cdn.shopify.com/s/files/1/0434/0737/6542/files/geo
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000856e.bin3602723b941b0329b2fe275f80b1ccbf081c762788c3f30efda17fb29104d35b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x856E | 5240 bytes |
font_01_sfnt_off0000976f.bin4ce454069b6969d9970a867080f69ec6efc9746de6e5db2e22572ac82fc47a92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x976F | 14356 bytes |
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