MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a deceptive lure related to a common appliance error code, designed to entice users to click on external links. The analysis identified a significant number of external links, many hosted on disposable domains, indicating a link farm or phishing operation. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to sites hosting malware or phishing content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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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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External URI info PDF_URIPDF contains an external URL action
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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://seumenha.ru/strik?utm_term=f5+e3+error+code+whirlpool+top+load+washer PDF link annotation
- http://energierecrute-emplois.com/najuxonuruborinoejfp1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4405193/normal_5ffc66200a37a.pdfIn PDF document text
- https://vuxarujetununo.weebly.com/uploads/1/3/4/4/134437765/9190180.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426541/normal_601a1cc781f5b.pdfIn PDF document text
- http://tugrull.com/how_to_program_a_chamberlain_universal_keypadnqsup.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411252/normal_5ff57ef6222fc.pdfIn PDF document text
- http://dontbeshy.xyz/2015_ncaa_division_2_football_stats077th.pdfIn PDF document text
- https://zatitobeme.weebly.com/uploads/1/3/4/0/134097178/2642805.pdfIn PDF document text
- http://service-hire.com/fagor_pressure_cooker_partsl3flr.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413225/normal_602ac1ac32cdd.pdfIn PDF document text
- https://bomaripuxizidul.weebly.com/uploads/1/3/4/9/134901287/2196036.pdfIn PDF document text
- https://buxudirikebipur.weebly.com/uploads/1/3/1/1/131164004/faxejurixeluriz-wajotomidan-nedejokusub-xavema.pdfIn PDF document text
- http://tohld.in/91165658740o43ds.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380692/normal_604a2981e285f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486356/normal_6013a5180a91b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367296/normal_5ff763757c5e0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d6236f05-450e-4b96-9875-1783d83c708b.filesusr.com/ugd/912de2_2dd28cda67cb4b3c8ca7f84138e77a54.pdf?index=trueIn PDF document text
- https://56a79910-2d97-40e4-a1df-bca3b17021d7.filesusr.com/ugd/2721fc_f779af089712415bab902ccb0877f7b7.pdf?index=trueIn PDF document text
- https://176fe727-baa2-4f6f-8ab0-cddcd97ecb74.filesusr.com/ugd/45df28_a522e8a892704ba289eea504d4ba2056.pdf?index=trueIn PDF document text
- https://9fd063f5-a6e2-47f0-a1c8-15c646e36cc9.filesusr.com/ugd/ee11ea_bdcdb43e01fb48df946997d78b892346.pdf?index=trueIn PDF document text
- https://8ed7b8cb-9bae-4def-ad9b-66b28cd11f91.filesusr.com/ugd/740d8c_354f8e21d4714e5cb2b077e8175ff272.pdf?index=trueIn PDF document text
- https://99b08629-27b2-41dd-83a1-938dc2ca35bd.filesusr.com/ugd/067ecb_01ab1a1ce6894df2ab6bd46574586c75.pdf?index=trueIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB83 | 5496 bytes |
SHA-256: 2e8f2369646bd3e978973cfebbd775755e4e2ae7c18133e529facc2f6db76953 |
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font_01_sfnt_off0000fe40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE40 | 10636 bytes |
SHA-256: 1a7304da39d8199e71d297ba615c547a1bbd8779bfa12278535579e279d711b5 |
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