MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was identified as malicious by a machine learning classifier and ClamAV, detecting it as a phishing trojan. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO poisoning tactic to drive traffic to malicious sites. The document body, though heavily obfuscated, contains keywords related to a 'gunsmithing guide', likely a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://seumenha.ru/wix?keyword=nra+gunsmithing+guide+pdf PDF link annotation
- http://mobufuwiwid.medianewsonline.com/kuxifide.pdfIn PDF document text
- http://kepuxom.mypressonline.com/behavioral_chain_analysis_worksheet.pdfIn PDF document text
- http://vegoletox.medianewsonline.com/pdf_catequesis_primera_comunion.pdfIn PDF document text
- http://mokuduvejevuz.scienceontheweb.net/neoplasias_malignas_definicion.pdfIn PDF document text
- http://parexapubep.iblogger.org/rulalo.pdfIn PDF document text
- http://gidujoluj.mypressonline.com/how_to_argue_against_moral_relativism.pdfIn PDF document text
- http://gosoxegekiri.mywebcommunity.org/nadarisibugalawigenuludif.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pekinomigaw.epizy.com/are_any_smithsonian_museums_open_today.pdfIn PDF document text
- https://e082cb0d-9c22-4a21-acb7-e2c6127a51d3.filesusr.com/ugd/ff0c06_ce44461163ef475892d1c251431c38c6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/26bd5b59-3a0e-49e4-b557-36f2d6a115a2/vegotawisibokefolitof.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c76152e3-21b1-4c97-af96-7d8ad484e051/43254474840.pdfIn PDF document text
- http://midabufab.rf.gd/kujuwabufaror.pdfIn PDF document text
- https://8ac5c8e1-9174-427d-95c2-90bebb9f105a.filesusr.com/ugd/44b221_4994326964c145d492007c5b61a3a7c7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a2331724-0a26-4482-878c-e04ab9f12abc/pentair_intellichlor_ic40_replacement_cell.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f21a6f4a-5330-411a-ad5d-ad5d8050118b/1734-aentr_series_b_app_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d2510635-3cf6-4662-8174-54fad626924e/migilotamokukigotozogif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d42c6d0e-9eaf-4a76-b6f9-96cb28a0635d/does_the_total_gym_work_your_legs.pdfIn PDF document text
- https://7648721b-06f4-4917-9c2a-921156fbbd07.filesusr.com/ugd/a7266c_e3543d99a43f4719bbbc3f3cc2dc8efe.pdf?index=trueIn PDF document text
- http://vubelifijam.atwebpages.com/adobe_premiere_elements_2.0_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/442ad2a9-24c7-4504-9977-785b8ff2c49d/14469779999.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_off00011ba2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BA2 | 5392 bytes |
SHA-256: 8cbe769e1c5935cfcabd576a91c31fd2db0157841b933446fc73d36dbf5f5727 |
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font_01_sfnt_off00012dd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DD4 | 12116 bytes |
SHA-256: 02e1c0968448dd88988f8452bdd63827f9fa65bc504f900a7c097963e229e547 |
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