MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely intended to lead the user to a malicious site. The document also contains a large number of embedded links to PDF files hosted on Shopify, suggesting a link farm or SEO poisoning attempt to improve search engine ranking for malicious content. The ML classifier strongly flagged this PDF as malicious.
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/wix?keyword=cpt+code+for+hip+arthroscopy
- https://cdn.shopify.com/s/files/1/0438/3745/6534/files/jepakum.pdf
- https://cdn.shopify.com/s/files/1/0430/8323/5489/files/nazemilavi.pdf
- https://cdn.shopify.com/s/files/1/0436/0595/0626/files/juvaba.pdf
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/kemofemujuzalunivexuj.pdf
- https://cdn.shopify.com/s/files/1/0431/3877/7249/files/nozibe.pdf
- https://cdn.shopify.com/s/files/1/0432/0270/7616/files/51259453555.pdf
- https://cdn.shopify.com/s/files/1/0432/9881/6150/files/furuf.pdf
- https://cdn.shopify.com/s/files/1/0433/0638/5573/files/75833185219.pdf
- https://static.usrfiles.com/ugd/b8c837_e63621dc43304f2ba6b4accc554dcec6.pdf
- https://static.usrfiles.com/ugd/b8c837_31d8b11be27e4e3fba4150704e3391fa.pdf
- https://cdn.shopify.com/s/files/1/0431/3861/3399/files/67664658836.pdf
- https://cdn.shopify.com/s/files/1/0432/5320/3104/files/38869265330.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ligumugazawebamupewav.pdf
- https://cdn.shopify.com/s/files/1/0430/8792/1313/files/soxijalimajezageremulapeb.pdf
- https://cdn.shopify.com/s/files/1/0429/0985/9999/files/25832534142.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_off00008e13.binbeacacdac74131b19bd0205609ba42ab0555120f608c348e2bdd16a205e6125e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E13 | 5220 bytes |
font_01_sfnt_off00009fc9.bin3e7db09346796a0fb3af58864ebec78a5e91eab5302e3dddf025b15af5f1ad84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FC9 | 13016 bytes |
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