MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://topuniversityru.fun/33179357921z392.pdf In PDF document text
- https://vojonabof.weebly.com/uploads/1/3/1/3/131383251/pezoxipi.pdfIn PDF document text
- https://rivewatot.weebly.com/uploads/1/3/3/9/133999312/komam.pdfIn PDF document text
- http://pugisapi.mypressonline.com/elementary_linear_algebra_10th_edition_solutions_slader.pdfIn PDF document text
- http://bu-markett.com/cen_tech_62120_software_updatepn7g9.pdfIn PDF document text
- http://iqecoportal.ru/buvadaxofaritojusazimeg8uiia.pdfIn PDF document text
- http://jojidasusesot.sportsontheweb.net/16247231905.pdfIn PDF document text
- https://jedopebo.weebly.com/uploads/1/3/4/8/134889916/3c629.pdfIn PDF document text
- http://kosamaritaj.getenjoyment.net/xagafaguxasomuvonotijevaj.pdfIn PDF document text
- http://gadivawiw.sportsontheweb.net/diono_2020_radian_3qxt_4_in_1_convertible.pdfIn PDF document text
- http://bukupiduge.mypressonline.com/bixokadipiwifogoxewetuku.pdfIn PDF document text
- http://paxabak.mypressonline.com/63764556665.pdfIn PDF document text
- http://uaregroup.com/bank_teller_job_resumecdri5.pdfIn PDF document text
- https://fidedelab.weebly.com/uploads/1/3/4/0/134096197/2515743.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://feedproxy.google.com/~r/wb/ENAH/~3/4NO0L8wlyOA/wb?keyword=is%20the%20ccna%20test%20freePDF link annotation
- http://polilofu.onlinewebshop.net/blood_type_b_food_chart.pdfIn PDF document text
- https://e5b7f393-9b83-42c5-a877-5b85c0c772c8.filesusr.com/ugd/77b42d_15f1aa77916d49a693fc3f4845d2dfc8.pdf?index=trueIn PDF document text
- https://6e00f30c-c2f4-4f8b-b3fa-04142e93d3a6.filesusr.com/ugd/7b3c9f_f548d87cead1480d84c31faae21cfdff.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lorugipopuxe/vawewemujijoj.pdfIn PDF document text
- https://828c6a01-da61-4814-986a-f72e64f4f334.filesusr.com/ugd/cdfdba_5ce374adfffd4400a52f31f30b1883af.pdf?index=trueIn PDF document text
- https://6d23287f-a15b-43b7-8d69-700c0e01f504.filesusr.com/ugd/185c00_80da44128283446db8c5db187835d052.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sinamozagemoger/13538832643.pdfIn PDF document text
- https://s3.amazonaws.com/lerezazo/java_string_format_double_percent.pdfIn PDF document text
- https://21036261-01f9-4725-a342-2b8b08d10099.filesusr.com/ugd/d0cbc4_574823a508cb4041b1aa0384827cef20.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_off0000d786.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD786 | 4504 bytes |
SHA-256: c41a4b49e9797b67031e80cbea692cae8d7cb75e493c14785cad7697dc4a4e89 |
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font_01_sfnt_off0000e6ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6AE | 10720 bytes |
SHA-256: 718f16ed6a070235ded1019a3fabceca9f84ec195d942fe83aba3482ed4d576e |
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font_02_sfnt_off00010b16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B16 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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