MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wix?keyword=athlean+xero+free+download'. This URL is presented within the document body, disguised as a free download lure. The presence of numerous other PDF links, many pointing to the same dominant host 'static.usrfiles.com', suggests a link farm designed to improve search engine ranking for malicious 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/wix?keyword=athlean+xero+free+download
- https://static.usrfiles.com/ugd/b8c837_60ea1bff23664044a014429b477a79b6.pdf
- https://static.usrfiles.com/ugd/b8c837_b97a0e3b72dc47ab8d3b8cce4610559d.pdf
- https://static.usrfiles.com/ugd/b8c837_1068a86272d44ee79c5c33a8e5e7a9ab.pdf
- https://static.usrfiles.com/ugd/7f46b5_6d9cde98802942fd918c8f911c388bf2.pdf
- https://static.usrfiles.com/ugd/01e791_0b16033b8e0c40cdad686dad35dc9e45.pdf
- https://static.usrfiles.com/ugd/b8c837_9669b8b0107946d5bfaa1122ed11c891.pdf
- https://static.usrfiles.com/ugd/b8c837_c4c98390795049f68859e338efc7fd0d.pdf
- https://static.usrfiles.com/ugd/b8c837_91508e7358304576842ae55e365186eb.pdf
- https://static.usrfiles.com/ugd/b8c837_2e20cf22dcff4ccd9db6f99ace2f907b.pdf
- https://static.usrfiles.com/ugd/b56239_45243ff57bf84d299517c5287c64bf1a.pdf
- https://static.usrfiles.com/ugd/b8c837_aa195beb4c9541e6adc9809bf22f400e.pdf
- https://static.usrfiles.com/ugd/253000_5d377f96058c436b8c562e83026db243.pdf
- https://static.usrfiles.com/ugd/b8c837_41d861efb37249c79c5cdb82e032f555.pdf
- https://static.usrfiles.com/ugd/b8c837_c7cd55585e554314b7a15843aa122d0f.pdf
- https://cdn.shopify.com/s/files/1/0428/3822/9158/files/xisojefokabuwaparajes.pdf
- https://cdn.shopify.com/s/files/1/0431/9831/6707/files/pitojejarapifoluvive.pdf
- https://cdn.shopify.com/s/files/1/0429/1595/4847/files/29667428595.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006f2f.bin197694646a0593e8880dcf20dc1a37c0f3af2d66edfcd8072cdd7177dee96778 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F2F | 4968 bytes |
font_01_sfnt_off00008019.bin51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8019 | 1800 bytes |
font_02_sfnt_off000088a7.bin2da372c11eb0f9062368f7fbab09cf408a655151cf05190112f3a591c75c5c70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88A7 | 11448 bytes |
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