MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a significant number of embedded links pointing to various domains, many of which are flagged as malicious or disposable hosting. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM indicate that the document is designed to redirect users to potentially harmful sites. The ML classifier and ClamAV detection further support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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=poem+of+the+man+god+volume+3 In PDF document text
- https://xufefizomuziz.weebly.com/uploads/1/3/5/3/135346589/3824836.pdfIn PDF document text
- http://amst-watch-v1.club/bodovelusejosowutuko8uq0.pdfIn PDF document text
- http://yoga-italy.space/mosavizomibjhl9.pdfIn PDF document text
- https://lufigukinuma.weebly.com/uploads/1/3/2/6/132680864/f4d75.pdfIn PDF document text
- http://gozatelaji.22web.org/hydromatic_guide_rail_system.pdfIn PDF document text
- http://vseti.life/35536539314bcwgt.pdfIn PDF document text
- http://digitaltoolsfor.xyz/english_speaking_notes_in_marathi83hlk.pdfIn PDF document text
- https://fizegebukuri.weebly.com/uploads/1/3/1/4/131453213/rokibi-jikigukaforuz-tiresele-wobaxezakigeb.pdfIn PDF document text
- https://xasukibumit.weebly.com/uploads/1/3/4/7/134749231/2809442.pdfIn PDF document text
- http://italysummer.space/cities_skylines_industries_guide_oiln3urg.pdfIn PDF document text
- https://fewegako.weebly.com/uploads/1/3/1/4/131453302/wademumovubifetoli.pdfIn PDF document text
- http://unityfree.xyz/time_traveler_roller_coaster_off_ridema8bk.pdfIn PDF document text
- https://wibugosavuzatug.weebly.com/uploads/1/3/4/3/134349607/soberilemino.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://xetumerim.rf.gd/88281779232.pdfIn PDF document text
- http://rilifufamorupud.epizy.com/84540191476.pdfIn PDF document text
- http://pisisagul.epizy.com/cabin_fever_movie_in_tamilyogi.pdfIn PDF document text
- http://mimodiko.epizy.com/monster_incidents_anime_characters.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_off0000ed32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED32 | 5104 bytes |
SHA-256: e9e0f124c1692166f8cb80add88b9231547f2a1347d3f5ac23c21480fe1f543a |
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font_01_sfnt_off0000fe7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE7E | 10708 bytes |
SHA-256: ad5eceb5420ad5d46c682f39690fd7996fd7e80c13f5be3502c64ac759087a44 |
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font_02_sfnt_off00012334.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12334 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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