MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document is classified as malicious due to its structure and embedded content. It functions as a link farm, containing numerous links to external websites, including a known malicious redirector at 'https://cctraff.ru/123?keyword=hum+aapke+hain+kaun+video+mein+hd'. The presence of a large number of links hosted on disposable domains suggests an attempt to distribute malware or conduct phishing attacks by directing users to potentially harmful sites.
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/123?keyword=hum+aapke+hain+kaun+video+mein+hd In PDF document text
- https://zadumeredevasax.weebly.com/uploads/1/3/1/4/131453870/9038680.pdfIn PDF document text
- https://pavowojavujide.weebly.com/uploads/1/3/1/3/131398322/wonewodexaliduruweka.pdfIn PDF document text
- https://wekubuzebebam.weebly.com/uploads/1/3/0/7/130739705/xelelovolaxatusimuw.pdfIn PDF document text
- https://xesaranit.weebly.com/uploads/1/3/2/6/132696194/753f36487baaf.pdfIn PDF document text
- https://zizuralozirufu.weebly.com/uploads/1/3/1/4/131483034/xujafavajojovex.pdfIn PDF document text
- https://jobubati.weebly.com/uploads/1/3/1/4/131453688/6885934.pdfIn PDF document text
- https://koxoganonigowup.weebly.com/uploads/1/3/1/4/131408343/4182827.pdfIn PDF document text
- https://nidixinaxob.weebly.com/uploads/1/3/0/7/130739699/8d57ffcf38845c7.pdfIn PDF document text
- https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/runemevurexuziwone.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367642/normal_5f8912133aec0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366032/normal_5f88640024b85.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369786/normal_5f89b2010cf3d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/200d0576-79dd-4a44-8e0b-cabff153611e/72495023144.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/377fa863-7e65-4768-9f38-0e7801bd478d/55384549397.pdfIn PDF document text
- https://s3.amazonaws.com/tetazino/metodo_arban_trumpet.pdfIn PDF document text
- https://s3.amazonaws.com/fasanag/lajudidolefajofaju.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bd2442d9-c825-4dfe-8365-1d455736cca9/vofonivinomoniwuj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6dbd7712-2368-4957-93c1-36d21072c861/jokise.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d3967e19-a7c7-4542-97a2-b178c8d698b5/ridudivopugelobik.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off00004a4f.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4A4F | 9756 bytes |
SHA-256: de16ace7fdc268e0fbfcf35c4de1e9b1e32a9c5d35f160d22c153a73886efc52 |
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font_01_sfnt_off00006a54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A54 | 4780 bytes |
SHA-256: 94bc29057fbd705361af9a3f4cae85084c0996109b99b8cf0e6b18a936472f37 |
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font_02_sfnt_off00007a62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A62 | 9944 bytes |
SHA-256: eb38d76427a1a174b635451ac2c52a3202b4f0a472af04959c383d701ac0918c |
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font_03_sfnt_off00009b9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B9E | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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