MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or redirection scheme. One prominent URL, https://midufefew.ru/strik?utm_term=patton+heater+puh680, is directly embedded and likely serves as a malicious landing page or download source.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://midufefew.ru/strik?utm_term=patton+heater+puh680 PDF link annotation
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- https://filinisosiwox.weebly.com/uploads/1/3/0/8/130814007/2242055.pdfIn PDF document text
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- http://closemaze.com/how_can_ionic_compounds_form_crystalsdlgqi.pdfIn PDF document text
- https://pukelubaluwo.weebly.com/uploads/1/3/4/7/134741361/fabazukivipuba-sozediwunojafug.pdfIn PDF document text
- https://mejavepo.weebly.com/uploads/1/3/1/4/131438157/jupilidova_zupapujewigeg.pdfIn PDF document text
- http://lowuwirakob.66ghz.com/wibiwe.pdfIn PDF document text
- https://sovopubi.weebly.com/uploads/1/3/0/7/130775052/rulepag_pexuni_limeda.pdfIn PDF document text
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- http://dovelarewiju.epizy.com/19876869071.pdfIn PDF document text
- https://6200e599-3f2f-4e3e-ab45-e6977ed7e777.filesusr.com/ugd/f8de3e_81e6cb10b66745bfbc0035200bcf3525.pdf?index=trueIn PDF document text
- http://wavuwiti.epizy.com/ballou_logistica_administracion_de_la_cadena_de_suministro.pdfIn PDF document text
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- https://uploads.strikinglycdn.com/files/22d34241-5c2e-4380-bc6a-d5b10a77e110/lyrics_7_years_old_lukas.pdfIn PDF document text
- https://8533cbf3-c0d6-400c-bdf8-8ca38cf0242b.filesusr.com/ugd/135178_34bee368e2364ec3886190b6898b1248.pdf?index=trueIn PDF document text
- https://c5e26362-acc3-4c40-9db4-ce0cbd355080.filesusr.com/ugd/681527_3136523898744f7ba061515dd9873403.pdf?index=trueIn PDF document text
- https://caf0f927-206f-4b4e-aa34-0dd3da53679b.filesusr.com/ugd/83d902_fe6849eb57fb41ab83cac20ee9b60f52.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/dd1be9d9-e4d0-46b3-a6b8-fa38af2860bf/lufatipulisegefojaza.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f3311e55-275a-4825-8ba5-b06a05bbea79/how_to_clean_washing_machine_filter_lg.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/02268583-8111-4094-b682-70d85724cab4/60021024207.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_off000158a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x158A1 | 5188 bytes |
SHA-256: 513455b5663fe026b338ce99d58a3515f4688e85969b52e45000559690094b45 |
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font_01_sfnt_off00016a3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16A3C | 13968 bytes |
SHA-256: 3e18037ed1daf1195235ba7ae7b850f0c244407daac4872ecdab1afa56b0e604 |
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