MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links that redirect to a link farm hosting numerous other PDFs, indicating a malicious redirection scheme. The document body, while containing garbled text, includes a URL that appears to be part of this redirection. 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/wb?keyword=aube%20th232%20thermostat%20for%20electric%20underfloor%20heating%20manual
- http://files.letspaintarabic.com/uploads/1/3/1/3/131379612/22ab9b14a11.pdf
- http://files.mrhebert.org/uploads/1/3/1/4/131408528/a536ed45f7eada.pdf
- http://files.vcgallery.org/uploads/1/3/1/8/131856381/rokererukirejakifu.pdf
- http://files.letoilefarm.com/uploads/1/3/2/7/132710704/povusifidisonir.pdf
- http://files.bridgeoflovellc.com/uploads/1/3/0/8/130813975/1865355.pdf
- http://files.diskyoto.com/uploads/1/3/0/7/130776006/b883ff61.pdf
- http://files.maostails.com/uploads/1/3/1/8/131856071/4445644.pdf
- http://files.waterworks.nu/uploads/1/3/2/6/132681625/5086247.pdf
- http://files.ibelievesite.com/uploads/1/3/1/6/131606631/memezorame-fowudite.pdf
- https://sexepik.files.wordpress.com/2020/06/92638646936.pdf
- https://sedawavurete.files.wordpress.com/2020/06/zenij.pdf
- https://doraxurewaz.files.wordpress.com/2020/06/83131374270.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41326774972.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zaxolaxowixinetubosi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wetitoditasenubekuxon.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/44603331863.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66689816557.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_off00005762.bincd26e1ff2587dcbdbaf99849cefc113e9d1972a6e73e78c75daa26c2e9e0ace0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5762 | 5744 bytes |
font_01_sfnt_off00006ab8.bin77df345f4065210448e3336ad6397821efd3e9160129425a7607b71c2343669f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AB8 | 9996 bytes |
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