MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, pointing to ttraff.ru. This URL is presented to the user as a "Crossfit workout book pdf", indicating a social engineering lure. The document also contains a large number of embedded links, many of which point to Shopify domains, suggesting an attempt to disguise the malicious link within a larger set of seemingly benign content. The ML classifier also strongly flagged this PDF as malicious.
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.ru/wb?keyword=crossfit%20workout%20book%20pdf
- http://files.icprights.com/uploads/1/3/1/3/131383826/6118828.pdf
- http://files.alkistis.net/uploads/1/3/1/0/131070529/426abcf78a5.pdf
- http://files.sunweeklynews.com/uploads/1/3/1/3/131381658/8652791.pdf
- http://files.durhamcontractorstx.com/uploads/1/3/1/4/131456012/xitiluwabiziwu-jukemosiso-wanusowedu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53940391871.pdf
- https://cdn.shopify.com/s/files/1/0430/9496/6429/files/18422425827.pdf
- https://cdn.shopify.com/s/files/1/0432/0670/5311/files/kuvewutiradudugajuku.pdf
- https://cdn.shopify.com/s/files/1/0427/9032/2335/files/70258871448.pdf
- https://buzugopi.files.wordpress.com/2020/06/benumatedofabedoledixudop.pdf
- https://mabavazadir16077034.files.wordpress.com/2020/07/mezakinebutajodisibup.pdf
- https://lasojunobewe287962433.files.wordpress.com/2020/07/jegadawepanavewedijomun.pdf
- https://cdn.shopify.com/s/files/1/0428/8996/9820/files/govevesozafopisofa.pdf
- https://cdn.shopify.com/s/files/1/0437/2119/5669/files/21488902897.pdf
- https://cdn.shopify.com/s/files/1/0435/3271/4139/files/54976933406.pdf
- https://cdn.shopify.com/s/files/1/0430/1042/4993/files/97627563521.pdf
- https://cdn.shopify.com/s/files/1/0430/9821/0461/files/82181073837.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34597476450.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16946396068.pdf
- https://cdn.shopify.com/s/files/1/0427/7580/6119/files/46049109408.pdf
- https://cdn.shopify.com/s/files/1/0429/4174/3263/files/58203007516.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_off00008e73.bin8222d1e264be28fd343809e786bd95d0c2dad19285e5395b071877182c7911ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E73 | 4768 bytes |
font_01_sfnt_off00009ec6.bin4b23021342a908ac539408626167b7fb4d78dedad6fafa4f03ea46ae9064d130 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EC6 | 10892 bytes |
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