MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, many of which point to suspicious domains and are flagged as malicious redirectors or part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery. The document body, though obfuscated, suggests a lure related to 'automation studio tutorial pdf'.
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://dafemum.ru/award?keyword=b+r+automation+studio+tutorial+pdf In PDF document text
- https://static.s123-cdn-static.com/uploads/4376101/normal_6007bf9358821.pdfIn PDF document text
- http://fasadi.site/zazorejadawetunupenexix83ce.pdfIn PDF document text
- http://mostovaya.pro/twitter_java_app_phoneky3js6w.pdfIn PDF document text
- http://kmplitka.shop/what_does_tfj_mean_alpha_xi_deltadu1xv.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4423188/normal_5fc8b255b8127.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://fa3f2985-242d-4a4c-93c0-6adbfb259eaf.filesusr.com/ugd/8dbe7a_eb343798515f4ee2b6d8f9e210e7d72d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d322c632-d125-4e37-8460-4a5690216282/guxisuxeg.pdfIn PDF document text
- https://s3.amazonaws.com/naxizugenabi/software_as_built_documentation_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/049f50fc-c207-492b-84eb-e9dd6651cd11/5122204374.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4d3cd7c0-4012-40c4-ab12-3842f44b552e/teaching_english_grammar_scrivener.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2dc75807-b7b6-4890-ab5b-d79be83aaf8a/serato_dj_pro_freezing.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2e95554c-c1bf-4c19-ae81-376139b4aedc/59056099729.pdfIn PDF document text
- https://35479656-6a94-44d6-ac55-da507c14a2ae.filesusr.com/ugd/d68318_21f6c59037a044a196597ee5950bef3d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f98a7db6-afd3-4ca4-868c-5465f7b1c48c/wepunafawixe.pdfIn PDF document text
- https://a146b927-ed54-472d-b3a8-6b137e313b92.filesusr.com/ugd/4d400c_7a1b0485ec8e439a8e8285deb1322e41.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pogolo/ventajas_y_desventajas_de_los_modos_de_produccion_feudal.pdfIn PDF document text
- https://s3.amazonaws.com/jefazaxal/15013581755.pdfIn PDF document text
- https://s3.amazonaws.com/tesasubawalozan/marine_corps_hurt_feelings_report.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f361f5c-fa53-45d1-8eb6-178c9ad9959c/adding_and_subtracting_fractions_worksheets_year_6.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_off0000e569.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE569 | 5236 bytes |
SHA-256: aaeab3e9c755c5cb931b887ab4af2b0c782622ba46ec6d643e058b29be216ce4 |
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font_01_sfnt_off0000f71d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF71D | 10296 bytes |
SHA-256: 4ab01136371f5c0ff95b7663f330e67f7363b09b8fbafbd95cf4b53ea8ff25ae |
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