MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a link that redirects to malicious infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. It also presents a large number of external PDF links, suggesting a link farm for SEO manipulation or to host further malicious content. The ML classifier strongly supports the malicious verdict.
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=cpt%20book%202019%20pdf%20download
- http://files.b4salon.com/uploads/1/3/0/8/130874063/nupigejemezipoti.pdf
- http://files.frenzdeckandiriesrest.com/uploads/1/3/0/8/130874493/xowevatoxi_dikulunebigu.pdf
- http://files.keriannstudio.com/uploads/1/3/0/9/130969790/5070652.pdf
- http://files.discipleschristianfellowship.org/uploads/1/3/0/7/130775309/lipujumuvid-megolog-fimanatubub.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/2011/6387/files/007_gun_barrel.pdf
- https://cdn.shopify.com/s/files/1/0436/3255/8240/files/39054609685.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tobilefoseparavako.pdf
- https://cdn.shopify.com/s/files/1/0431/5119/6315/files/barcelona_aerobus_map.pdf
- https://cdn.shopify.com/s/files/1/0430/1769/9477/files/30564709214.pdf
- https://cdn.shopify.com/s/files/1/0432/6886/6212/files/87679430653.pdf
- https://cdn.shopify.com/s/files/1/0438/7835/1003/files/1991_chevy_silverado.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuwunojipodaga.pdf
- https://cdn.shopify.com/s/files/1/0438/6773/4176/files/galepusaralim.pdf
- https://cdn.shopify.com/s/files/1/0429/4311/9527/files/bloodlines_book_1_download.pdf
- https://cdn.shopify.com/s/files/1/0431/1616/7328/files/83801347420.pdf
- https://cdn.shopify.com/s/files/1/0432/3413/2131/files/52979539796.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_off00004ec9.bin823fc2585e0fa44a77a626e21a135b105ac881c1ab17ece35e04c05dd6ebf28c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EC9 | 5444 bytes |
font_01_sfnt_off00006173.bin557f5d2bef02a3deb09d98cd2dd20c9d4fc7e95e76a1c46c1d3b78cefbc0b521 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6173 | 10244 bytes |
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