MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The embedded URL 'https://jacksth.ru/123?utm_term=grok+learning+python+answers' appears to be a lure, directing users to a collection of other PDF links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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/123?utm_term=grok+learning+python+answers PDF link annotation
- https://bosubunu.weebly.com/uploads/1/3/4/6/134693877/2630782.pdfIn PDF document text
- http://introdom.ru/indd_to_psd_converter_onlinetnvs8.pdfIn PDF document text
- https://leruzifu.weebly.com/uploads/1/3/2/3/132302941/4149031.pdfIn PDF document text
- http://hookup755.fun/84741915577ee8x8.pdfIn PDF document text
- http://datingsexchat.site/sermones_evangelicos_para_predicarshlyj.pdfIn PDF document text
- https://zeleruzonupaza.weebly.com/uploads/1/3/4/3/134358533/e650608da235340.pdfIn PDF document text
- https://folemazilepi.weebly.com/uploads/1/3/1/1/131164248/gaxuduvewujinukapo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://toxuwer.epizy.com/poxoloku.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/88046b11-5435-43d3-af32-04d3e4a4ee8a/zudovuka.pdfIn PDF document text
- https://123949be-7110-4ba3-a240-a7df06fb38ce.filesusr.com/ugd/80fd5d_d8d2e8b68e76433f936fcba3a38afd84.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tesodagiwor/baaghi_1_full_movie_coolmoviez.pdfIn PDF document text
- https://s3.amazonaws.com/sasufufa/71894398065.pdfIn PDF document text
- https://2a082fd4-e93f-4b8e-9e59-408fa046b31c.filesusr.com/ugd/e334dd_80fe2f504dcb4b3680bbc2f1d57f8493.pdf?index=trueIn PDF document text
- http://nupopejif.epizy.com/ignition_scada_manual.pdfIn PDF document text
- https://s3.amazonaws.com/dukavunivifa/osteoarthritis_knee_x_ray_report.pdfIn PDF document text
- https://s3.amazonaws.com/zijivevip/thematic_analysis_example.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/431f866b-d94e-4148-9f31-1edf496a1416/big_fish_games_manager_installieren.pdfIn PDF document text
- https://667b589a-70dd-4c78-a03f-47f6e9f07b1f.filesusr.com/ugd/db80c5_d40918da74b74a5aa5d5f81169c2c6a3.pdf?index=trueIn PDF document text
- https://2cc3dcad-61c1-4442-8662-ca5be7cd8672.filesusr.com/ugd/71b93f_c61a426bccb14bf2a41248a6799e4f34.pdf?index=trueIn PDF document text
- http://maguvotu.rf.gd/ruduzetedewad.pdfIn PDF document text
- https://s3.amazonaws.com/rujabepifar/hunter_irrigation_controller_not_working.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/20b01be1-5f0e-432f-beeb-762c82e42bc8/bikorazukejelavezanobili.pdfIn PDF document text
- https://769966b8-4adc-437e-bba8-f198cf6e171b.filesusr.com/ugd/41a0b6_7e36fcff42014a27bbeac5f513ee9882.pdf?index=trueIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010a6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A6D | 5160 bytes |
SHA-256: 3a809eae8962ddeeea852e909aed762e6e83e6798eccfc110d182ec63390ea76 |
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font_01_sfnt_off00011c0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C0B | 11368 bytes |
SHA-256: 4a37536fe5e123d50025e4c9922572358feabf5a9379dab7c2d01d726a7f5790 |
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font_02_sfnt_off000142c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142C6 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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