MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources. One of these URLs, 'https://ttraff.ru/wix?keyword=rhizobium+adalah+pdf', is flagged as a known malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a high volume of external links, suggesting a coordinated effort to distribute malicious content or engage in phishing. The ML classifier also strongly indicated maliciousness.
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=rhizobium+adalah+pdf
- https://static.usrfiles.com/ugd/0511f5_bf8047ef83ba478f93d2157c3fd2703c.pdf
- https://static.usrfiles.com/ugd/77eba6_e569e53211ed44b48b8ad0a3ffe02249.pdf
- https://static.usrfiles.com/ugd/01e791_79e18994af824704a4b2eaa523d87b89.pdf
- https://static.usrfiles.com/ugd/724fb5_0b678d7ce37743eeb2fc5adffa7de7b3.pdf
- https://static.usrfiles.com/ugd/b8c837_c67ac548abd5477f94ec77f1fc2067fa.pdf
- https://static.usrfiles.com/ugd/d1d005_0b4ce0e2fd164e71a47bb3b022435219.pdf
- https://static.usrfiles.com/ugd/857e61_459fed4d9db84a39b32c2aa0b0085c71.pdf
- https://cdn.shopify.com/s/files/1/0431/7180/7381/files/11720258685.pdf
- https://cdn.shopify.com/s/files/1/0439/7599/9646/files/pharmacology_principles_and_applications_3rd_edition.pdf
- https://cdn.shopify.com/s/files/1/0441/2522/5112/files/gunufute.pdf
- https://cdn.shopify.com/s/files/1/0433/3718/7493/files/45102050453.pdf
- https://cdn.shopify.com/s/files/1/0434/5213/7625/files/susef.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_off00008f05.bind23621e79e1a49cbf54ce4ae5ba33b90772e03077465b9b4d8730ef6b03c6078 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F05 | 5204 bytes |
font_01_sfnt_off0000a09f.binc1d01ce83e4ae37c0c4f0e383e3d3bf8ae17515340584a9e896e12e63d05009f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA09F | 10292 bytes |
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