MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as a link farm, containing a large number of external URLs pointing to various domains. The ML classifier and ClamAV also identified it as malicious, specifically a phishing or trojan variant. The presence of numerous links, including one to 'xezojetit.ru', suggests a campaign to drive traffic to potentially malicious or phishing sites, possibly disguised as educational content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://xezojetit.ru/aws?utm_term=multiplication+worksheets+grade+4+with+answers PDF link annotation
- https://luzoxunijasuw.weebly.com/uploads/1/3/4/3/134338954/goloraxobigagol.pdfIn PDF document text
- http://covidcapsule.world/ping_pong_rules_bounce1stu6.pdfIn PDF document text
- http://renijulemigato.iblogger.org/top_10_android_phones_2018_philippines.pdfIn PDF document text
- https://lugilabujenubo.weebly.com/uploads/1/3/4/3/134320616/7180564.pdfIn PDF document text
- http://tedusoxunola.22web.org/aap_pediatric_blood_pressure_guidelines.pdfIn PDF document text
- http://kleomaften.online/dutogojupiguxunuxodob16wxc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486778/normal_5ffa2574d7a9f.pdfIn PDF document text
- https://xofezariro.weebly.com/uploads/1/3/1/8/131871505/587bdf9d77.pdfIn PDF document text
- http://characduwe.space/edexcel_textbook_answers_physicsyjr8n.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367646/normal_6009ce4082ba5.pdfIn PDF document text
- https://bawokopo.weebly.com/uploads/1/3/1/0/131070727/ronasumiduwepa_velivubanibiz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468540/normal_5fd2c2e8c5376.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4466166/normal_600956670e475.pdfIn PDF document text
- https://fezadegijowazon.weebly.com/uploads/1/3/4/0/134096780/d824dc3593d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/0ee2617e-ee19-4476-9758-579e4eeb76e8/my_lg_washing_machine_is_leaking_underneath.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ccfec3ee-8f0c-4e75-a85e-31b62eba4bfc/96568973548.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0631299d-b95d-454d-851c-56c00a3b9931/15206229093.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59107bc6-369e-45f0-b9ed-437ffd0d693d/75957214783.pdfIn PDF document text
- https://45e41439-46a4-4c97-84f0-155cfeda4cef.filesusr.com/ugd/9d7ad9_20d191bb3fd64e589f7b1fcb21b6114f.pdf?index=trueIn PDF document text
- https://c2c662fa-00ac-4c69-bf5d-04da7d6c99e2.filesusr.com/ugd/9b33c5_87c2a0552c8b4924b0eef95bc5edd08e.pdf?index=trueIn PDF document text
- https://1fa67a36-2e8b-44cc-a955-751d80433762.filesusr.com/ugd/d85e51_26f685f9c024466fb6d484088dbd722d.pdf?index=trueIn PDF document text
- https://711a90e7-97f2-4eab-8690-3003ec1e9b64.filesusr.com/ugd/a0905b_38d4acb85e55496fa62a54aa6a2630ad.pdf?index=trueIn PDF document text
- https://2c8134a4-d865-4da1-8961-c755d7242105.filesusr.com/ugd/6dcf04_de8739668b71429e9d63a3a8f5b58e65.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_off0000deb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEB3 | 5584 bytes |
SHA-256: 4c1ab5a1cb92bf1b4464a6bc19486440e0634750c45e7a33ee9c9ebd96193536 |
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font_01_sfnt_off0000f1d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1D4 | 10360 bytes |
SHA-256: 6fa6c17e3db1793d0ea516e4fd360249ec79328db8b34fc3e04c8c89a82fafa7 |
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