MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector (ttraff.cc). The ML classifier strongly indicated maliciousness, and the heuristic firings confirm the presence of a link farm and a malicious redirector. While no scripts were extracted, the document's structure and embedded links suggest an attempt to redirect the user to a malicious site, likely for further exploitation or phishing.
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/pify?keyword=intracranial+hemorrhage+guidelines
- http://files.a2shinrinyoku.com/uploads/1/3/1/4/131437554/1873326.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0440/7797/3654/files/seruwebo.pdf
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/vawewegufo.pdf
- https://cdn.shopify.com/s/files/1/0430/3152/7575/files/popidujokagezokaruri.pdf
- https://cdn.shopify.com/s/files/1/0431/8960/0414/files/53427279401.pdf
- https://cdn.shopify.com/s/files/1/0430/8510/3258/files/gitut.pdf
- https://cdn.shopify.com/s/files/1/0431/8124/4573/files/wakekepebebuzixovoxi.pdf
- https://cdn.shopify.com/s/files/1/0434/4381/4560/files/titazupemi.pdf
- https://cdn.shopify.com/s/files/1/0431/2514/5754/files/widokadivizonazagofe.pdf
- https://cdn.shopify.com/s/files/1/0432/1063/7476/files/munam.pdf
- https://cdn.shopify.com/s/files/1/0429/0550/1852/files/ansys_manual_anna_university.pdf
- https://cdn.shopify.com/s/files/1/0431/7573/9560/files/acronis_true_image_2018_bootable_usb.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_off0000a9c5.binb0712617571ede19f7ac6615c6c98a532553d0505484cb34a25517893a463c08 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9C5 | 5288 bytes |
font_01_sfnt_off0000bb82.binf97540af87bc6c5570529db6d43d25525f68de7bf9fd844d01939efbeae6ee63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB82 | 10340 bytes |
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