MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous links to redirector infrastructure, including a primary link to 'gettraff.ru' disguised as a document download. This suggests a phishing or scam attempt to redirect users to malicious content. While no scripts were directly extracted, the PDF structure and embedded links indicate exploitation for client execution, likely via a malicious link. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://gettraff.ru/strik?keyword=applied+math+problems+and+answers+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4365525/normal_5f883d5f7e787.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381081/normal_5f8d16e790a32.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366350/normal_5f871ac6da26b.pdfIn PDF document text
- https://mupibidegupek.weebly.com/uploads/1/3/0/8/130874042/a6ecbf06788df.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370541/normal_5f88aef014880.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420018/normal_5f9797179b5f2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377697/normal_5f8f61f7d1bcd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383327/normal_5f9a600a2213d.pdfIn PDF document text
- https://nugemezan.weebly.com/uploads/1/3/4/3/134359438/2b18a0bc25.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414491/normal_5f9af059dc709.pdfIn PDF document text
- https://bubudatitiga.weebly.com/uploads/1/3/4/3/134308982/133a5f424115.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/10aa95b4-52aa-45e7-9a3b-a0b556074835/20601256047.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0fa5a576-96cf-415a-bb72-84ebd0e02162/nazi_hunters_book.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000658a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x658A | 5500 bytes |
SHA-256: 04a0e87f6a5e9392b6a48a1a700e0424c46f5833bc856e0276aa98db94b42355 |
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