MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm designed to host numerous PDF files. One of these links, https://ttraff.link/wix?keyword=retencion+de+placenta+bovinos+pdf, is identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs.
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.link/wix?keyword=retencion+de+placenta+bovinos+pdf
- http://files.missmiddlegausa.com/uploads/1/3/1/3/131380305/6755487.pdf
- http://xemokaron.entotofoundation.org/uploads/1/3/0/7/130740292/2145317.pdf
- http://files.stephaniejanaina.com/uploads/1/3/0/8/130874495/kovizobulobatet.pdf
- http://files.gchorns.com/uploads/1/3/1/8/131857916/c2dfa4.pdf
- http://files.easternshorechess.com/uploads/1/3/1/3/131382531/guriperoforozige.pdf
- https://cdn.shopify.com/s/files/1/0437/9944/5661/files/kopasofafarolov.pdf
- https://cdn.shopify.com/s/files/1/0431/1479/1069/files/pisapofowej.pdf
- https://cdn.shopify.com/s/files/1/0433/3849/8206/files/58621390317.pdf
- https://cdn.shopify.com/s/files/1/0436/0981/7251/files/43741035469.pdf
- https://static.usrfiles.com/ugd/2274a7_97bef03260af4b608d2e3b50f6e9e309.pdf
- https://static.usrfiles.com/ugd/40512e_be65b425d112405da59b1cd2ed765868.pdf
- https://static.usrfiles.com/ugd/6cf804_303a2293207b4dd19aa73eaa3f97dead.pdf
- https://static.usrfiles.com/ugd/941881_915cce0e7b774d71bf5e6586036dd688.pdf
- https://static.usrfiles.com/ugd/5899d5_64c937062e574819ae34265825a401d4.pdf
- https://static.usrfiles.com/ugd/c12414_3d8d7eeaaa174c1eae374b78f10e8178.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_off00006068.bin6d579e33e37aa576cc2fabdc167bd18df7e428d676a98ab855a97c06d23e3c2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6068 | 5260 bytes |
font_01_sfnt_off00007269.bin026892b9aa2262b8fa4cade948f141ae544e83d1fecd7391ecd2aff7ef13f6a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7269 | 10160 bytes |
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