MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded links, many of which point to disposable hosting services and are designed to appear as legitimate PDF documents. The primary malicious URL, https://cctraff.ru/strik?keyword=vishnu+sahasranamam+pdf+tamil, is identified as a malicious redirector, indicating an attempt to lead users to harmful content. The document body itself is heavily obfuscated and contains the malicious URL, suggesting it's part of a phishing or scam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://cctraff.ru/strik?keyword=vishnu+sahasranamam+pdf+tamil In PDF document text
- https://site-1039765.mozfiles.com/files/1039765/56414249832.pdfIn PDF document text
- https://site-1036946.mozfiles.com/files/1036946/lapuruxatijiragu.pdfIn PDF document text
- https://site-1038728.mozfiles.com/files/1038728/bijibokaz.pdfIn PDF document text
- https://site-1036734.mozfiles.com/files/1036734/gopukorigip.pdfIn PDF document text
- https://site-1042729.mozfiles.com/files/1042729/16005836766.pdfIn PDF document text
- http://files.seanbuckart.com/uploads/1/3/1/0/131070246/9b88f6d46a23a66.pdfIn PDF document text
- http://files.buffalobabybums.com/uploads/1/3/1/8/131871518/pepudolafajiduf.pdfIn PDF document text
- http://files.movingstarzpub.com/uploads/1/3/0/8/130874253/podexe.pdfIn PDF document text
- http://fuleni.drdavidnjacobsen.com/uploads/1/3/2/7/132712336/f6f0524d667ff4.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/40162786-7771-4146-989e-edbe7666e05b/vagejadipuwelokuzojom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b59f1ee1-223e-4f61-b4c4-77b2dccc29ae/jepikafizera.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc0cb053-dcfa-4d82-8295-5a0832254fad/koninopifunirixaloresomug.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/52186a17-c1b4-474c-942a-f862e991fe6b/xukutunixuromezudusasa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/0380/5600/files/wazazuxixusanis.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009027.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9027 | 5244 bytes |
SHA-256: 1c4dbd288c51f448ce2d17d8ca14844f31ed10c3ef96fb31e5a1f36658e3bc2e |
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font_01_sfnt_off0000a1cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA1CD | 2024 bytes |
SHA-256: dc37461816ec92f0ed1316601fd5c6b06f5c1a5be203c138b3c3c6cdf5da3806 |
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font_02_sfnt_off0000ab65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB65 | 15836 bytes |
SHA-256: 4a0a1d2787f263537754c811f36b25f2e1ccb9bd3244268e21ee7ad9d4eeb0c6 |
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font_03_sfnt_off0000d9c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9C2 | 16284 bytes |
SHA-256: 43f18b73c6b83a7361b0f82441ef3583dcb4cea91362d9c0926e05ad0fdd565d |
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