MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links pointing to external PDF files hosted on various domains, many of which are disposable or known malicious redirectors. This behavior is indicative of a link farm designed to distribute malicious content or engage in SEO manipulation for malicious purposes. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://crophysi.ru/award?keyword=all+of+me+piano+pdf+jazz In PDF document text
- https://mufaguzesevulet.weebly.com/uploads/1/3/2/8/132814956/5083707.pdfIn PDF document text
- http://everydays.space/jofimajorebobobadimu2cmby.pdfIn PDF document text
- http://lami-lashes.site/wexamaferetuwutifanoiss2e.pdfIn PDF document text
- https://lefojokux.weebly.com/uploads/1/3/5/3/135399193/c7b7e9a6a0749b.pdfIn PDF document text
- http://xamoxipuwizutux.scienceontheweb.net/dujexoleko.pdfIn PDF document text
- http://obschee.xyz/9798407969hzroe.pdfIn PDF document text
- https://veralekixa.weebly.com/uploads/1/3/1/0/131069874/dagumawavegaxapu.pdfIn PDF document text
- http://mudikovarew.mygamesonline.org/beats_wireless_headphones_manual.pdfIn PDF document text
- http://taforojujutusig.mygamesonline.org/can_a_cracked_heat_exchanger_be_dangerous.pdfIn PDF document text
- https://bawidonawasaz.weebly.com/uploads/1/3/4/3/134354070/jegajov.pdfIn PDF document text
- https://gavojaxuwutik.weebly.com/uploads/1/3/4/3/134319320/kasapuwosibuwu.pdfIn PDF document text
- https://zufuleruzu.weebly.com/uploads/1/3/1/6/131637307/zarafifolexexob.pdfIn PDF document text
- http://lowufadit.scienceontheweb.net/13217104795.pdfIn PDF document text
- https://dopitusorotid.weebly.com/uploads/1/3/0/7/130738794/73b1bd1d66c21f.pdfIn PDF document text
- http://itprod.space/how_to_set_g_shock_analog_timeankt6.pdfIn PDF document text
- http://zabemaladameg.medianewsonline.com/xoziloxo.pdfIn PDF document text
- https://liwuvena.weebly.com/uploads/1/3/1/3/131398027/7315346.pdfIn PDF document text
- https://motutipe.weebly.com/uploads/1/3/4/6/134674000/tibebaxax_wofakesufani.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
- http://wegugoleta.onlinewebshop.net/mupuxaxado.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e29f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE29F | 4736 bytes |
SHA-256: 2fcbc003611614fcc5c8cfc5ab3d353bdcb82819a4cd8b6fa30881d2d20dd2f6 |
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font_01_sfnt_off0000f2a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2A5 | 11216 bytes |
SHA-256: 4b36477c3bc316ad5094fa63129726cb9ca6d4198a37d1773996d60dd2dbca29 |
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font_02_sfnt_off0001184b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1184B | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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