MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, directing users to numerous external websites, many hosted on disposable domains, under the guise of providing information related to cognitive behavioral therapy. The presence of external URIs and a link farm on disposable hosting strongly suggests a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://kuzutuzo.ru/strik?utm_term=terapia+cognitivo+conductual+para+trastorno+de+ansiedad+generalizada PDF link annotation
- http://felidefewipikig.22web.org/how_to_unlock_door_on_whirlpool_washer.pdfIn PDF document text
- https://fumasidabufip.weebly.com/uploads/1/3/0/7/130775820/mogilawitomexip-valamilemijala.pdfIn PDF document text
- https://cdn.sqhk.co/bujasugawo/ig5gdjg/joxopo.pdfIn PDF document text
- https://cdn.sqhk.co/woxemumi/wXjfMDQ/disizilefesemuwejexiju.pdfIn PDF document text
- https://cdn.sqhk.co/sevijeruba/H9ig0je/talking_dog_videos_online_2020.pdfIn PDF document text
- https://cdn.sqhk.co/lusimalifa/hi5ojaF/persuasive_speech_format_outline.pdfIn PDF document text
- https://cdn.sqhk.co/letopoto/ihjfYEe/36369193037.pdfIn PDF document text
- http://xofajenakimexo.iblogger.org/free_art_certificate_of_authenticity_template.pdfIn PDF document text
- https://cdn.sqhk.co/zejizoguzut/hjsdiiQ/xewewusularuwoxixoxe.pdfIn PDF document text
- http://rotixumuzu.22web.org/how_to_reset_sentry_safe_if_forgot_combination.pdfIn PDF document text
- https://cdn.sqhk.co/vobevufubito/hhy5pgj/kifoz.pdfIn PDF document text
- https://nibowivuxewanu.weebly.com/uploads/1/3/1/3/131379040/josurimenitotezopi.pdfIn PDF document text
- https://cdn.sqhk.co/bulixanejad/Kgg4giy/tunuroti.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nuforikoxiv.epizy.com/brahmanda_puranam_in_tamil.pdfIn PDF document text
- https://ee60c613-3dd1-430d-b711-08e3dcbf0273.filesusr.com/ugd/19ce5d_9e12b716db96418d9fe17ef117133ee0.pdf?index=trueIn PDF document text
- http://fevedudebe.epizy.com/74699879217.pdfIn PDF document text
- http://dijuforuzukogem.rf.gd/cd4017_circuits.pdfIn PDF document text
- https://78fc25e8-d533-4ec3-a480-3617e8cc0d4b.filesusr.com/ugd/aa5866_3c187a75194e432192970713c0083be3.pdf?index=trueIn PDF document text
- https://6a9ecc2b-05c3-4056-8705-773ae6be8cdd.filesusr.com/ugd/7a359d_36f9562eb5e044a3a30e5392be2fc682.pdf?index=trueIn PDF document text
- http://xaminelabiz.epizy.com/jirejuliduwiduxotimofu.pdfIn PDF document text
- http://sufumawug.epizy.com/aerosmith_dream_on_piano_sheet_music.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD28 | 5300 bytes |
SHA-256: 75b16a57affc0a5d2a3d3e06b0fa75e98c189ff8500db3e4a78b08476ff89067 |
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font_01_sfnt_off00010f48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F48 | 11412 bytes |
SHA-256: 22ce013d84c2cf5db4b33ac2b12c97c5bc7a31f9c0cc3b6b964fd73ccc12af8f |
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