MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm with numerous external URLs, including one pointing to 'seumenha.ru', suggesting a phishing or malware distribution campaign. The PDF structure and embedded content are consistent with techniques used to disguise malicious links and evade detection.
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/strik?utm_term=que+es+el+taller+seminario PDF link annotation
- https://siputewebototab.weebly.com/uploads/1/3/4/4/134480832/583cd2014e.pdfIn PDF document text
- https://bapixive.weebly.com/uploads/1/3/4/3/134393773/2b6581875b.pdfIn PDF document text
- http://insurancecarusa.com/how_to_put_a_sim_card_in_a_lg_aristo_2nawvq.pdfIn PDF document text
- http://uspex22.online/butemixoninovaxuvsfums.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://11fe2947-f393-4df3-905d-f9f3730e834a.filesusr.com/ugd/b1b16e_50a0343c4c8f4718a866a14cbd5e34db.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ce40bdec-9219-44a8-8386-d432c3e3c685/setosadujoxuxixi.pdfIn PDF document text
- http://nuzabasere.rf.gd/chhota_thara_byav_main_hd_video.pdfIn PDF document text
- https://9aef9be9-4304-4ec6-b02b-ded1eabc5d1b.filesusr.com/ugd/a571b8_a2ff03fa63e04324918c255ce16002ed.pdf?index=trueIn PDF document text
- https://eac5c218-d238-408c-98a6-8ff0ecbb25fc.filesusr.com/ugd/b1277d_c9a0e4e1a49546d99c24a0bcd8b3e7ae.pdf?index=trueIn PDF document text
- https://2ddc7431-ff91-46e9-9708-195efd6cc195.filesusr.com/ugd/ffe0d3_79ceaf7d59c341f6bef594475674c554.pdf?index=trueIn PDF document text
- http://lipidusixul.rf.gd/art_models_10_download.pdfIn PDF document text
- http://dipexukojudiz.rf.gd/ballarat_to_melbourne_train.pdfIn PDF document text
- https://f770b3d7-c897-40e0-9323-5ad0abd91552.filesusr.com/ugd/1fa6dd_53f57f4bb32d44559a7d344833e8e38b.pdf?index=trueIn PDF document text
- https://67dec473-0a9c-497c-80b1-62a4c84c5046.filesusr.com/ugd/0aab01_5ec347fd18db4fcdbfa43ca3574d3bcc.pdf?index=trueIn PDF document text
- http://wisituvoj.epizy.com/pekuxumuperanome.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a4792dd7-be21-4773-ae02-e29e7056de55/jeep_cherokee_oil_reset.pdfIn PDF document text
- https://16012499-1299-48b0-8cdd-5f23a7749958.filesusr.com/ugd/fafc38_17d8c297ffbc4fbb92644d2f21caffbc.pdf?index=trueIn PDF document text
- http://tokejavopif.rf.gd/business_trip_report.pdfIn PDF document text
- https://cc603790-e41b-456e-9848-d053b607cad6.filesusr.com/ugd/389793_ab3fd7560a7648a18d38900158cfee8b.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFF5 | 4892 bytes |
SHA-256: 0818db025b3ef4bfa3c94574ed7e325078a697f3c2c3ac346e68a0c0ff14273e |
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font_01_sfnt_off0000f07d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF07D | 11980 bytes |
SHA-256: 25fb66597af643cb47d7c6c2d6e98750a6c1eba68440f75483cd02a342c739b7 |
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