MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains numerous URLs, with one pointing to a known malicious redirector. This suggests the primary purpose is to lure users to malicious infrastructure through a deceptive document.
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.com/wix?keyword=chest+brace+for+pigeon+chest
- https://static.usrfiles.com/ugd/ace02d_43aa3e2349e14c478750ff73d557d0d8.pdf
- https://static.usrfiles.com/ugd/9f6a24_5eaaee419395459ea058f009864ab26f.pdf
- https://static.usrfiles.com/ugd/10e3af_db433f51cb17467cabf2079da7d2cd12.pdf
- https://cdn.shopify.com/s/files/1/0434/2241/7047/files/biomassa_para_energia_livro.pdf
- https://cdn.shopify.com/s/files/1/0438/3444/1885/files/nexewusuva.pdf
- https://cdn.shopify.com/s/files/1/0431/8933/8276/files/ecology_concepts_and_applications_7th_edition.pdf
- https://cdn.shopify.com/s/files/1/0433/5868/3294/files/visiwajanafiladibasiv.pdf
- https://cdn.shopify.com/s/files/1/0440/7872/7318/files/gatawozes.pdf
- https://cdn.shopify.com/s/files/1/0440/5339/7654/files/wexugoxo.pdf
- https://cdn.shopify.com/s/files/1/0428/0621/4819/files/ryobi_miter_saw_parts.pdf
- https://cdn.shopify.com/s/files/1/0430/5240/0789/files/brevet_anglais_2019.pdf
- https://cdn.shopify.com/s/files/1/0434/3057/6295/files/sotagewon.pdf
- https://cdn.shopify.com/s/files/1/0436/9442/4232/files/68829596968.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_off000065ca.bindc40803f21b2e75f51485298c2d30b860f1784c9849a0861f0da09fecb797e09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65CA | 5292 bytes |
font_01_sfnt_off000077c1.bin27586e512bd8bdc7ce12fc1a0e896382d22ba3ce2c532ff332f7e828c0769744 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77C1 | 10180 bytes |
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