MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the redirector, suggesting the document's primary purpose is to direct users to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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://ggtraff.ru/strik?keyword=database+hoarding+and+caching+techniques+in+mobile+computing+pdf In PDF document text
- https://site-1036850.mozfiles.com/files/1036850/95522887894.pdfIn PDF document text
- http://bopewidor.bigdoginstallations.com/uploads/1/3/1/4/131453330/ziborusiruvid.pdfIn PDF document text
- http://files.pittelwilkinson.com/uploads/1/3/1/4/131437599/9010779.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/6f1d1e47-8383-4136-9eba-086c3b9fcf99/11892045738.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8a979b2-55da-4efa-85f2-96638c803d8f/51561704597.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4f51c01-874c-48bd-887e-c682c4d38df4/49295996563.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/6900/2143/files/developing_tactics_for_listening_audio_script.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0481/3661/8133/files/the_autobiography_of_bertrand_russell.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5110/3894/files/16869477898.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0480/0321/9609/files/47669738746.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dfb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFB4 | 5832 bytes |
SHA-256: a5a918347f3a4d090235ecddab239eb087a235499fe8949a0a9d637268cb01f6 |
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font_01_sfnt_off0000f357.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF357 | 10396 bytes |
SHA-256: 8fc01788ea3d52d70a5962724b3f8e0205ae2bf878c6e2ffcdf99f822f4cfdf3 |
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