MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/wix?keyword=comer+rezar+amar+libro+wikipedia, which is likely part of a traffic distribution scheme. Additionally, the PDF hosts a large number of external links, identified as a link farm, suggesting a SEO spam or malicious redirection campaign.
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/wix?keyword=comer+rezar+amar+libro+wikipedia
- https://static.usrfiles.com/ugd/b8c837_8f0979a901db4e978bd61764a7c26bba.pdf
- https://static.usrfiles.com/ugd/b8c837_7b72f254cbc84eea97d00167cee83113.pdf
- https://static.usrfiles.com/ugd/b8c837_6409ea51f83f4bb9a4aa6508037dd078.pdf
- https://static.usrfiles.com/ugd/b8c837_709bbebb40af484b85921a52210b3de5.pdf
- https://static.usrfiles.com/ugd/b8c837_bb4d0b3c08ad49eab3d4c4a0914c1d7e.pdf
- https://cdn.shopify.com/s/files/1/0430/4620/7637/files/dasipabakowep.pdf
- https://cdn.shopify.com/s/files/1/0432/6676/9058/files/vuzisosisigulu.pdf
- https://cdn.shopify.com/s/files/1/0432/4871/3896/files/87325984128.pdf
- https://cdn.shopify.com/s/files/1/0438/1055/4016/files/sebomefewozedumi.pdf
- https://cdn.shopify.com/s/files/1/0432/1371/7662/files/wemomolenowus.pdf
- https://cdn.shopify.com/s/files/1/0438/2697/0786/files/zigozapimigewu.pdf
- https://static.usrfiles.com/ugd/b8c837_752ce4e7935443a7827f09e57ffe5c0c.pdf
- https://static.usrfiles.com/ugd/b8c837_0ed2ea15a0cd4167ab7d6c4bb16740d8.pdf
- https://static.usrfiles.com/ugd/b8c837_2178fc3e576e45d3806a5c0956ce27b2.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_off000069e8.bin6e3b509245defe56a61efeb18e082c1bfd8facd316d6c28d8a572e3521e607ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69E8 | 5176 bytes |
font_01_sfnt_off00007b7e.binf60b6659d7d22daa74448bf1b1e1fb33c985f61018fc1d0b960a071b34db9954 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B7E | 12012 bytes |
font_02_sfnt_off0000a2d3.bin4e0aeeb34d13d05adcefa79e6b804a79b12b0b490a5691b22d5d6846d21d326e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2D3 | 16792 bytes |
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