MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous embedded links, many of which point to known malicious redirector infrastructure or disposable hosting. The heuristic firings indicate a PDF link farm designed to redirect users to potentially harmful sites. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 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://yafferge.ru/123?utm_term=burger+king+menu+with+prices+south+africa+2020 In PDF document text
- http://swast-group.website/494518507192aaf1.pdfIn PDF document text
- http://hookup154.fun/faux_leather_sheets_halloween9lxh5.pdfIn PDF document text
- https://cdn.sqhk.co/pibepufas/jwVIiWq/42282923441.pdfIn PDF document text
- https://cdn.sqhk.co/furugilenu/ct6XOe7/watch_asteroid_passing_earth_today.pdfIn PDF document text
- https://dujuwugad.weebly.com/uploads/1/3/4/7/134721680/legagabobomo_kawajo_xirolinareliw.pdfIn PDF document text
- https://belexikezetuvom.weebly.com/uploads/1/3/0/7/130775063/95867f64.pdfIn PDF document text
- https://cdn.sqhk.co/vunebegawiwa/Rjchahi/pegagegijipapado.pdfIn PDF document text
- https://cdn.sqhk.co/xamitarerivu/sjjLgdq/gajexujepexitowusetanise.pdfIn PDF document text
- https://poperetaro.weebly.com/uploads/1/3/4/8/134893078/8fa9c907.pdfIn PDF document text
- http://btsworld.org/tegut6f2qg.pdfIn PDF document text
- https://zunenevalomedo.weebly.com/uploads/1/3/4/8/134855990/115502c655c.pdfIn PDF document text
- https://cdn.sqhk.co/nulegudup/Sl1ehhu/webezujumasixevev.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/pobixedele/14964365340.pdfIn PDF document text
- http://sodividupoz.epizy.com/fukozibuvanitenujew.pdfIn PDF document text
- http://xugonowelimije.epizy.com/acc_aha_guidelines_stable_ischemic_heart_disease.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_off0000e78e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE78E | 5876 bytes |
SHA-256: 87cfdbf3501c575cfa1629b6788e044a683aa953612f7b958818724d6906ebad |
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font_01_sfnt_off0000fb81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB81 | 7476 bytes |
SHA-256: 7b609771a080005a92db26acb447540fe3f26fa1962081d1472b7412e5037aa4 |
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font_02_sfnt_off00011523.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11523 | 11792 bytes |
SHA-256: 351b30af95f734f2c7190281d6a9577ba06a9d4d370b514cc21f4265ce9289f8 |
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font_03_sfnt_off00013d6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D6B | 17016 bytes |
SHA-256: 00e106d1df585b5181a342756cdde7077fe85d556a6018963bfd40d2351738d1 |
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