MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link that redirects to malicious infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. It also features a large number of external PDF links, suggesting a link farm for SEO manipulation or to host further malicious content. The ML classifier strongly indicates maliciousness, and the embedded URL is a primary indicator of compromise.
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.cc/wb?keyword=torin%20engine%20hoist%20manual
- http://files.onwardhebrew.org/uploads/1/3/0/8/130815009/fulawatasa.pdf
- http://files.breathingspacecounsellingpractice.com/uploads/1/3/2/7/132712040/6a56c9649c6.pdf
- http://files.positivefocushawaii.com/uploads/1/3/2/7/132710627/3737546.pdf
- http://files.caitlinlanders.com/uploads/1/3/2/6/132695829/d3ea90b6d13d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/6589/2261/files/the_a_team_ed_sheeran.pdf
- https://cdn.shopify.com/s/files/1/0429/8512/8090/files/89229422410.pdf
- https://cdn.shopify.com/s/files/1/0431/3900/6632/files/2164509687.pdf
- https://cdn.shopify.com/s/files/1/0428/9573/6988/files/nagevadinominekurolari.pdf
- https://cdn.shopify.com/s/files/1/0432/6572/0486/files/93739376161.pdf
- https://cdn.shopify.com/s/files/1/0438/8713/2824/files/mevor.pdf
- https://cdn.shopify.com/s/files/1/0436/0926/0190/files/how_to_write_a_business_plan_for_a_restaurant.pdf
- https://cdn.shopify.com/s/files/1/0435/1619/9064/files/salujorip.pdf
- https://cdn.shopify.com/s/files/1/0432/4176/7072/files/49849168605.pdf
- https://cdn.shopify.com/s/files/1/0436/7892/4953/files/nofurozarafixuko.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007bcd.binfc313b1eb920c3dccd9a825c650fe1cdf92c2142d083ead7365746d7d149ece2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BCD | 5048 bytes |
font_01_sfnt_off00008ccb.bine1d0015a0e1efea8af6917eac9f74745eb7cf39eac9fa7a1b06417b45511b83d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CCB | 10412 bytes |
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