MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs that redirect to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, appears to contain text related to search terms, suggesting a lure for users to click on the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 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://dafemum.ru/strik?utm_term=how+much+is+a+teeter+inversion+table In PDF document text
- http://wei-nmvc.com/fifabuwotemozatoter87z.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377101/normal_5fef520328a9e.pdfIn PDF document text
- http://linufiwanekume.scienceontheweb.net/vogitulenadigawogulumulip.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393346/normal_601ae321b3aaa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423700/normal_60532e1093911.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4491688/normal_5fc6d080b7cf7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393181/normal_60545436ec58e.pdfIn PDF document text
- http://wiinorama.fun/monthly_calendar_2020_tamilqqt7z.pdfIn PDF document text
- http://persequen.com/samsung_rugby_4_battery_liferz87r.pdfIn PDF document text
- http://galoomer.online/matejeraviw171q3.pdfIn PDF document text
- http://megatorg.ru/define_rising_action_in_literatureuj864.pdfIn PDF document text
- http://usacreditcheck.info/siwonolejesupasmkh8c.pdfIn PDF document text
- https://melinifijegor.weebly.com/uploads/1/3/4/2/134265386/gelujojopagufawuj.pdfIn PDF document text
- https://pewituzusab.weebly.com/uploads/1/3/0/8/130874049/basigu.pdfIn PDF document text
- http://santaparker.store/2015_cadillac_srx_performance_reviewc8z98.pdfIn PDF document text
- http://italysummer.fun/66846484972jdg41.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475720/normal_5fedae752f119.pdfIn PDF document text
- https://pukotegifo.weebly.com/uploads/1/3/0/8/130874060/4404422.pdfIn PDF document text
- http://shoop-fo.ru/71709181829xpkzt.pdfIn PDF document text
- http://mazanatur.space/65849678472iyvbd.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://motuvogipe.onlinewebshop.net/gazoboxubitaruzajipipuzu.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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 |
|---|---|---|---|
font_00_sfnt_off0000f38d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF38D | 6744 bytes |
SHA-256: 048fb1891f432488516cd811e7b04d68e7d39e548ca3495625137f8fb0c23ff4 |
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font_01_sfnt_off00010472.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10472 | 5292 bytes |
SHA-256: 9c7d26d4aad12fe4aea98bd713f1a5b360ef30e4a01221036189d2b9114ffc45 |
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font_02_sfnt_off00011656.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11656 | 2868 bytes |
SHA-256: 782f316543cf47c7138f3b471325ffccdd3ad3f523211a517f19644ec417f6f5 |
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font_03_sfnt_off00012248.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12248 | 11776 bytes |
SHA-256: 049d1df6af8bdbcd675cea1356da6c88367ffbc61206a4e26ad5abccc9eebbe0 |
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