MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous external URIs, many hosted on disposable domains, suggests a link farm or phishing operation. The document body, though heavily obfuscated, contains text related to 'Economics today 18th edition apa citation', which is likely a lure to direct users to malicious URLs such as https://seumenha.ru/strik.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
Heuristics 5
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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 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=economics+today+18th+edition+apa+citation PDF link annotation
- http://lumosawinulogu.iblogger.org/67368949976.pdfIn PDF document text
- https://cdn.sqhk.co/teduwugevoki/hjjWwOt/36008950316.pdfIn PDF document text
- http://sikazigazes.mypressonline.com/52941564027.pdfIn PDF document text
- http://jipolavex.medianewsonline.com/how_to_adjust_temperature_on_symmons_temptrol_shower_valve.pdfIn PDF document text
- http://bujisefebegegum.iblogger.org/pesezusijewozuvuzusozo.pdfIn PDF document text
- https://cdn.sqhk.co/zenekukera/hg9FFih/lathe_machine_tools_material.pdfIn PDF document text
- https://cdn.sqhk.co/nekuripafi/njb4Zja/lebapumolewenow.pdfIn PDF document text
- http://sitonuba.mypressonline.com/wifetuwivaragelefifipat.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
- https://s3.amazonaws.com/seriposuj/salem_s_lot_movie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec4e7e73-9f62-4aac-b59c-20d771bab653/24090342020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a20b23e9-7c61-4e5d-9d8c-c9ed1c3ce112/vitalubu.pdfIn PDF document text
- https://6afed14e-2b01-442b-8c2e-11a8a6f39965.filesusr.com/ugd/46a5ae_8261f0667c054d869398d704f13f35de.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f1d45ff0-2a16-4a4b-acd8-9086175ea9a2/tenetulorava.pdfIn PDF document text
- https://s3.amazonaws.com/xifabilejilab/29911990058.pdfIn PDF document text
- http://gonegexunu.myartsonline.com/cbse_class_3_maths_book_in_hindi.pdfIn PDF document text
- http://wopawotejexu.epizy.com/fibonewamabi.pdfIn PDF document text
- https://2eb5e741-fe40-4e13-9a70-20af0821b154.filesusr.com/ugd/6cf56c_1fccd6f75ee84a8b8e8f4265d10b5898.pdf?index=trueIn PDF document text
- https://28481333-1ef2-46fb-8ebf-d56c3f24acbc.filesusr.com/ugd/314c35_701792d9cd3f47f7aecfce5cad9d0d0b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zafaronivaj/56494491562.pdfIn PDF document text
- https://a3e8d6b6-68ee-4625-a313-a25a09dbd39d.filesusr.com/ugd/312e12_e4f1e240bead421a807bc8a53d0a1dbb.pdf?index=trueIn PDF document text
- http://nerelikeg.epizy.com/76172371475.pdfIn PDF document text
- https://737c154f-ca75-4484-807d-9d5c19d76377.filesusr.com/ugd/7e84b7_4baa6a6487d74e6bbff6c7d8b798f48f.pdf?index=trueIn PDF document text
- http://rulakilelakeze.epizy.com/forces_worksheet_middle_school.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2829e457-681a-497b-ae87-a5ab76d27c3c/why_is_my_new_garbage_disposal_leaking_from_the_bottom.pdfIn PDF document text
- https://s3.amazonaws.com/xozeb/4854962836.pdfIn PDF document text
- https://s3.amazonaws.com/fezenur/32368302087.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012377.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12377 | 5280 bytes |
SHA-256: 8f80c58f25f4eeed206fb35cd343bb679d00fd593303ccc93e4625c9aa55d681 |
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font_01_sfnt_off00013541.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13541 | 12036 bytes |
SHA-256: 259b23777b3f12e9f89cb9c9d7329e2a9fde80a18d1e772559f43d06a172c4bd |
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font_02_sfnt_off00015db6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15DB6 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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