MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, detecting it as a phishing trojan. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or SEO manipulation tactic. One prominent URL, https://jacksth.ru/strik?utm_term=define+derivational+affix, is likely part of this scheme. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of malicious intent, potentially leading to further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://jacksth.ru/strik?utm_term=define+derivational+affix PDF link annotation
- http://salebox.shop/wheel_of_time_book_14_paperbackxwicd.pdfIn PDF document text
- http://sozaxesugoj.mywebcommunity.org/aristoteles_gran_etica.pdfIn PDF document text
- http://ontrade.top/nidopivonapejak10ptr.pdfIn PDF document text
- https://dafizigupiteg.weebly.com/uploads/1/3/4/4/134492389/1709245.pdfIn PDF document text
- https://xadokefaxigewaj.weebly.com/uploads/1/3/4/3/134314424/relusilujeb_gepiluxopi.pdfIn PDF document text
- https://pevaluxuduta.weebly.com/uploads/1/3/4/5/134502983/sawamakimevolulogo.pdfIn PDF document text
- https://xijiweba.weebly.com/uploads/1/3/5/3/135387982/mebupurige.pdfIn PDF document text
- http://christinaanddavid2019.com/teroxipuraxizowisovouuvyo.pdfIn PDF document text
- http://tuvurebomiworo.scienceontheweb.net/andhra_bank_internet_banking_application_form.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475728/normal_6047d35eafb43.pdfIn PDF document text
- http://madamzero.com/over_the_rainbow_cello_sheet_music_freem2vzm.pdfIn PDF document text
- http://vizilirudigub.getenjoyment.net/ripupugawo.pdfIn PDF document text
- http://vumegebopim.iblogger.org/47974974879.pdfIn PDF document text
- https://poliradu.weebly.com/uploads/1/3/5/9/135991332/8808074.pdfIn PDF document text
- http://fkpravo.ru/44934492361uyxg0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404757/normal_602d649bbcc72.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kufosejuwures.rf.gd/57702924787.pdfIn PDF document text
- http://rowezezivifa.epizy.com/interior_angles_worksheet.pdfIn PDF document text
- http://niselekotoz.myartsonline.com/54133531793.pdfIn PDF document text
- https://29ca30ec-7ad4-487f-8637-d2d67f3a323c.filesusr.com/ugd/10b11f_f9fee166e4ab4e3395f4785b7d1f4979.pdf?index=trueIn PDF document text
- https://7ed1f289-57d1-4e2a-9ee4-b64e0eb498cf.filesusr.com/ugd/13dc0c_8ead92727dbf4b2f8855b3f5bfe6ae9f.pdf?index=trueIn PDF document text
- https://4c72699b-aa2e-4dc8-8bd5-1a54e8f938a6.filesusr.com/ugd/f3cb45_7bf9b023880d45b9a20a9d928dfdda68.pdf?index=trueIn PDF document text
- https://f37c3615-20b0-4e70-b1e7-2acf34113780.filesusr.com/ugd/1e533a_984655e7a8dc4bc180ed632e00ef1e31.pdf?index=trueIn PDF document text
- https://e9155d39-0f7d-4366-9ee8-34e17fe3d773.filesusr.com/ugd/9e05b8_89251d41031248a5a61b3ba054b84d97.pdf?index=trueIn PDF document text
- http://gotozowixefe.epizy.com/trigonometria_1_bachiller_ejercicios_resueltos.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_off0000e99a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE99A | 4848 bytes |
SHA-256: a3f7f9c574726ed957aa51f72331f882cae20cdda388fa2ea0bd8a15a9e8057e |
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font_01_sfnt_off0000fa33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA33 | 12152 bytes |
SHA-256: 333c4129b3b9a89af42e354dd767b4c8069588fc27b3865c8ce74f1f83ff44ce |
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