MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to link farms designed to manipulate search engine results. One critical heuristic identified a link to known malicious redirector infrastructure. The document body suggests a lure related to 'L'imparfait cours et exercices pdf', likely to entice users to click the malicious links. No scripts were extracted from this sample.
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.cc/wb?keyword=l
- http://files.verticallyconnected.com/uploads/1/3/0/7/130776351/ximis-junimif.pdf
- http://files.nature-myview.com/uploads/1/3/1/4/131407796/wajefufuvurekotazajo.pdf
- http://files.sweetiescateringnc.com/uploads/1/3/2/7/132712080/6172744.pdf
- http://files.marshallstileco.com/uploads/1/3/2/7/132740399/zamajit.pdf
- http://files.apollongu.org/uploads/1/3/1/6/131606035/2870775.pdf
- https://nubobobabubu.files.wordpress.com/2020/07/25717146089.pdf
- https://sigexogowoze.files.wordpress.com/2020/07/53838984608.pdf
- https://kidugusex.files.wordpress.com/2020/07/wemexixelebiminuluf.pdf
- https://jonasege.files.wordpress.com/2020/07/kunitadi.pdf
- https://rewakapupad.files.wordpress.com/2020/07/1139969427.pdf
- https://lemobiruwira.files.wordpress.com/2020/07/pepujukazapewisoto.pdf
- https://worovemetum.files.wordpress.com/2020/07/69651985737.pdf
- https://cdn.shopify.com/s/files/1/0431/5889/6802/files/numetonasebubamupuzom.pdf
- https://cdn.shopify.com/s/files/1/0433/0386/2440/files/derat.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xugufu.pdf
- https://cdn.shopify.com/s/files/1/0433/5550/4795/files/69613451966.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bumagigefabap.pdf
- https://cdn.shopify.com/s/files/1/0429/8833/9361/files/26050253397.pdf
- https://cdn.shopify.com/s/files/1/0432/2230/2888/files/wabat.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_off00006d43.bin88030085227f7df2d5df070edef75440c8831c980438ca745a67039cf06ed9d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D43 | 5088 bytes |
font_01_sfnt_off00007e95.bin14504a63e761c99f89f995897bb5adaf595dc7c52fc8f3a6a279e0f102c82c13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E95 | 11724 bytes |
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