MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded URLs, with one specifically identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that the URL 'https://ttraff.ru/wix?keyword=nursing+ethical+dilemma+with+using+informatics+technology' leads to malicious infrastructure. Additionally, the 'PDF_SEO_LINK_FARM' heuristic suggests the document is part of a link farm, likely intended to manipulate search engine results or distribute further malicious content. The ML classifier also strongly flagged this PDF as malicious.
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=nursing+ethical+dilemma+with+using+informatics+technology
- https://static.usrfiles.com/ugd/5e8de6_f5cd6ddf38a54215bd929f9be05ed4d9.pdf
- https://static.usrfiles.com/ugd/8b2c09_164b2083a698435fbebc4ebf7270f509.pdf
- https://static.usrfiles.com/ugd/b8c837_a2546309d7804e758f46913a9e004d56.pdf
- https://static.usrfiles.com/ugd/98857b_43b0f420ff7a428d91ad1729bb10cfa2.pdf
- https://static.usrfiles.com/ugd/d216cb_9c393cd006e346ef8f47698c077f200f.pdf
- https://cdn.shopify.com/s/files/1/0435/9897/1038/files/61329472474.pdf
- https://cdn.shopify.com/s/files/1/0454/3682/9854/files/beauty_and_the_beast_piano_notes.pdf
- https://cdn.shopify.com/s/files/1/0457/7004/7654/files/wogaxuzuduxijera.pdf
- https://cdn.shopify.com/s/files/1/0433/0130/6526/files/agricultural_economics_and_extension.pdf
- https://cdn.shopify.com/s/files/1/0432/6984/9248/files/call_of_duty_free_for_macbook.pdf
- https://cdn.shopify.com/s/files/1/0428/4760/0796/files/25893023117.pdf
- https://cdn.shopify.com/s/files/1/0438/7074/8827/files/acdsee_pro_6_free.pdf
- https://cdn.shopify.com/s/files/1/0433/7228/2008/files/dinegoxifagevowokixu.pdf
- https://cdn.shopify.com/s/files/1/0433/9502/3013/files/sports_vocabulary_ielts.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_off000073b5.bina4c1d060cf1d5f4f5e91b21d95e131627170144fd00a5ed3edeb77308872f10d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73B5 | 5600 bytes |
font_01_sfnt_off000086b9.bin3da1e63d6ad9355c4d214d0d6024c7e30c8b228d0d00c9823a0d7abceb4b972f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86B9 | 9724 bytes |
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