MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the critical heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The document body, though partially corrupted, contains text related to 'El caballero de olmedo english translation pdf' and embedded URLs, suggesting a lure to disguise the malicious redirector. The ML classifier also strongly indicated maliciousness.
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=el+caballero+de+olmedo+english+translation+pdf
- http://files.nectrathletics.com/uploads/1/3/0/9/130968962/820645.pdf
- http://files.lakeviewlavenderfarms.ca/uploads/1/3/0/8/130814229/razozimomipodapubuzu.pdf
- http://files.stefanfalk.net/uploads/1/3/1/4/131406831/1e9aeef266cef37.pdf
- https://cdn.shopify.com/s/files/1/0432/4062/0200/files/46477934064.pdf
- https://cdn.shopify.com/s/files/1/0430/9748/9561/files/english_grade_10_12_textbook.pdf
- https://cdn.shopify.com/s/files/1/0434/1750/1852/files/49316396794.pdf
- https://cdn.shopify.com/s/files/1/0436/1139/0115/files/rapaluv.pdf
- https://cdn.shopify.com/s/files/1/0428/1411/1903/files/buforolexo.pdf
- https://cdn.shopify.com/s/files/1/0430/1609/3849/files/depivowavoduvej.pdf
- https://cdn.shopify.com/s/files/1/0428/1293/2255/files/16606191123.pdf
- https://cdn.shopify.com/s/files/1/0429/0809/0535/files/node_js_convert_base64_to.pdf
- https://cdn.shopify.com/s/files/1/0436/5503/7078/files/list_of_20_amino_acids_and_structures.pdf
- https://cdn.shopify.com/s/files/1/0428/4124/3814/files/griffiths_quantum_mechanics_solutions_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/4293/8784/files/39527002206.pdf
- https://cdn.shopify.com/s/files/1/0437/3826/7809/files/tonapoxur.pdf
- https://cdn.shopify.com/s/files/1/0430/2677/6227/files/59111331509.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_off00007893.bind09bbe9e30b00fed9405454a9650d93ca203ac696cb923ec1d2152a3f86ea87f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7893 | 5668 bytes |
font_01_sfnt_off00008baa.binf9c9bf3d42ff80cbdb8e553fe74bd052a949e81b5841ffe0d35933d8974f6538 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BAA | 10284 bytes |
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