MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many of which are hosted on disposable domains, indicating a link farm for SEO manipulation or phishing. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded URLs, such as 'https://midufefew.ru/strik?utm_term=plc+programming+tutorial+for+beginners+part+1', are likely used to redirect users to malicious content or phishing pages.
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://midufefew.ru/strik?utm_term=plc+programming+tutorial+for+beginners+part+1 PDF link annotation
- https://pilumana.weebly.com/uploads/1/3/2/6/132683063/7291504.pdfIn PDF document text
- https://mofibowego.weebly.com/uploads/1/3/1/4/131406437/01a7ea131.pdfIn PDF document text
- http://vamolufu.getenjoyment.net/kotifenowe.pdfIn PDF document text
- http://gejikojaki.scienceontheweb.net/jumunabuninu.pdfIn PDF document text
- http://fijubigatusurov.scienceontheweb.net/8525533313.pdfIn PDF document text
- http://bapatavusirave.mygamesonline.org/30779246359.pdfIn PDF document text
- https://nutotawi.weebly.com/uploads/1/3/0/8/130813366/9ddebb754407d2e.pdfIn PDF document text
- https://kanapikimafu.weebly.com/uploads/1/3/3/9/133997195/80f0c9cb6c93764.pdfIn PDF document text
- http://bikelumonekodex.mygamesonline.org/book_reader_download.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wobuzisibal/wallpaper_samsung_s8.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/78c94ce7-d516-4edc-ae72-f8fd31bbb947/xetegifafekoxugu.pdfIn PDF document text
- https://348ddb29-83e1-4812-94a1-743b72ef9b42.filesusr.com/ugd/23b571_e85af7ee8f7643f4a5568509e1d8b120.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7de208be-7dd0-4c61-9cd3-a02adb2a1e86/42391301591.pdfIn PDF document text
- https://2903667b-e544-4972-ac7f-e5855aaa9b37.filesusr.com/ugd/2cc660_6eb9edb2733b41b3acff62b62e99e8db.pdf?index=trueIn PDF document text
- https://b3695a61-a5b7-457a-863f-99677d03e0cc.filesusr.com/ugd/f2a82d_fb1646edeb664b87a0e96c2d72f35779.pdf?index=trueIn PDF document text
- https://7e6b698e-d56f-4a21-8c48-787e2f6d39f4.filesusr.com/ugd/7836c9_d913b3d48eb241f5a07d54b7a1f679d5.pdf?index=trueIn PDF document text
- https://30c74dc1-c3f2-4e71-8253-1ec84f3b94e1.filesusr.com/ugd/b8c6fa_5e96666ae10740ec90160d8bbed8445a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9957c027-482f-4604-99f4-32256c35756f/what_is_an_example_of_imagery_in_poetry.pdfIn PDF document text
- https://s3.amazonaws.com/jaloto/bit._ir_pc_game.pdfIn PDF document text
- http://kivozusemu.atwebpages.com/concepto_de_proceso_de_enseanza_aprendizaje_segun_autores.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_off0000ed9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED9C | 5528 bytes |
SHA-256: e752d45fb59277f1e57192dd9bf519aac928fea7d2880e8ce366a85f731aee47 |
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font_01_sfnt_off0001005e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1005E | 10384 bytes |
SHA-256: 89d7ac9471de36b9fac919e1fabc5b82d65b9bdea95d3837dc7acbf2591755c1 |
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