MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external PDF link farm, suggesting a coordinated effort to distribute malicious content or engage in SEO poisoning. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=conditional%20probability%20independent%20practice%20worksheet%20answer%20key
- http://files.sacredvesselacupuncture.com/uploads/1/3/2/7/132741385/2052792.pdf
- http://files.pierisproject.org/uploads/1/3/1/3/131398598/660a41e940.pdf
- http://files.episcopalchurchonedisto.org/uploads/1/3/1/4/131406365/62ea12a67.pdf
- http://files.episcopalchur
- https://wibujilena.files.wordpress.com/2020/07/mexuxegiropitubawanotin.pdf
- https://kezaxexuzel.files.wordpress.com/2020/06/xegesu.pdf
- https://botojime.files.wordpress.com/2020/06/loruxesirubuvobomuzu.pdf
- https://jowoxub.files.wordpress.com/2020/07/dolezurafivusevopiveziz.pdf
- https://detomanuz.files.wordpress.com/2020/07/94720654721.pdf
- https://vipodujenij.files.wordpress.com/2020/06/womajozifiwevov.pdf
- https://wexisipifaw.files.wordpress.com/2020/07/59128275827.pdf
- https://tidagar.files.wordpress.com/2020/07/86272036744.pdf
- https://piviraxiwak.files.wordpress.com/2020/06/75459465668.pdf
- https://cdn.shopify.com/s/files/1/0433/4521/5656/files/75235638876.pdf
- https://cdn.shopify.com/s/files/1/0430/5158/1597/files/sidobezegekariwuxefomaf.pdf
- https://cdn.shopify.com/s/files/1/0438/3434/3574/files/risepuxusikepibaz.pdf
- https://cdn.shopify.com/s/files/1/0432/5530/0249/files/vobutolakajag.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mowelikuzamutaj.pdf
- https://cdn.shopify.com/s/files/1/0430/7025/9357/files/japasimojulabukajaz.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xomekanob.pdf
- https://cdn.shopify.com/s/files/1/0433/0799/1208/files/525616255.pdf
- https://cdn.shopify.com/s/files/1/0427/9032/2342/files/zisanekisuf.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_off000075d8.bine3068841b5363eee5de269347e13dacb82291c95810499eb918969cae31f2dff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75D8 | 5372 bytes |
font_01_sfnt_off00008827.binfc0a5d1aab55f5c46b3c7e5d3dc630b9133e0fa2aaa706acd1d9f3f8cf078279 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8827 | 10412 bytes |
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