MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to disposable hosting, suggesting a link farm designed to obscure the ultimate destination. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely provides instructions to decrypt a password-protected archive, a common tactic to bypass security filters. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://resalured.ru/strik?utm_term=formato+de+mantenimiento+preventivo+y+correctivo+de+computadoras
- http://juligum.22web.org/cawdor_gang_cards.pdf
- http://pevewoxoxup.scienceontheweb.net/57972027170.pdf
- https://benodamefeju.weebly.com/uploads/1/3/5/3/135346815/xevozojiwezaxug.pdf
- http://bowawusugipabes.22web.org/juzirukibuwupo.pdf
- https://zugogulubituwo.weebly.com/uploads/1/3/4/2/134266111/foginojot-loredoroz.pdf
- https://jesasifewom.weebly.com/uploads/1/3/1/4/131453969/vuduxuwavone_rodatinot.pdf
- https://dokakuzod.weebly.com/uploads/1/3/4/8/134884054/8cdd342.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://3b87a2b8-2d13-4e6d-acc4-cbba57692a59.filesusr.com/ugd/50988c_4d6ce6c6ff0d4296b50beeed66ddb204.pdf?index=true
- https://9f4ad419-87ad-4507-9b23-40b7c7395cc9.filesusr.com/ugd/55478e_d81b7bb605954829a17028b90343d238.pdf?index=true
- https://9e2b3e3a-6a02-4d3b-8ba9-5acc01041672.filesusr.com/ugd/66c878_52b8604fe9f84a378523a245f286b4cc.pdf?index=true
- https://9505ca4c-dfdc-4941-8fde-ded35496d0c9.filesusr.com/ugd/2097ab_df51f83cb07441e8be596c0c58df6e4b.pdf?index=true
- https://6b2f37ea-3696-4b87-858b-663c379f6f6f.filesusr.com/ugd/16879a_f5977ca11b3a4090b16a11ffe2fc2432.pdf?index=true
- http://wiratobut.rf.gd/15453747550.pdf
- http://juborekif.atwebpages.com/kidonirelasatijomuxilex.pdf
- https://2d130471-2a64-48ba-87cf-8f1e86c6acad.filesusr.com/ugd/9c43ec_41374f584c85415699df80fef3044aab.pdf?index=true
- http://vinumokoz.epizy.com/ulysses_poem_summary_in_simple_english.pdf
- http://rujidafedisezu.atwebpages.com/how_to_help_child_overcome_fear_of_death.pdf
- https://dacf5b84-f80e-4bd8-bb7f-22aad20a1cd8.filesusr.com/ugd/285be4_f7f6950ea41a4985bf04c135195ed343.pdf?index=true
- https://4bf641bf-117a-4913-931f-55e49063997f.filesusr.com/ugd/5befcb_c8515ebf6f3741d6b80c1c57316fcc9d.pdf?index=true
- https://s3.amazonaws.com/genedonapubefe/share_certificate_template_online.pdf
- https://s3.amazonaws.com/nowokil/communism_and_capitalism_dbq_answers.pdf
- https://5c839259-519f-4cee-a1a2-6639d654070b.filesusr.com/ugd/140efa_70b30934622442719dede09e5532146b.pdf?index=true
- http://pemadewuxifanu.epizy.com/kotedinubadi.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ff5f.bindae29f2313ffc3855c8149b7bdcdb0916a36a337d4e2c81dd11b93c5da8edf8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF5F | 5188 bytes |
font_01_sfnt_off000110ef.bin1e21b1a4528d5d5e6a5cf56813f38c8916795d39aaf1624e6ef22fb279d94238 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110EF | 11960 bytes |
font_02_sfnt_off0001376b.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1376B | 4324 bytes |
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