MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it's likely a phishing or malware distribution lure. The document contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The primary URL observed is https://gimoguvi.ru/aws?utm_term=a+level+statistics+normal+distribution+table, which is likely part of the malicious redirection chain.
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://gimoguvi.ru/aws?utm_term=a+level+statistics+normal+distribution+table PDF link annotation
- http://erogan-columbia.site/calling_you_bagdad_cafe6q0ue.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407562/normal_6021cf0f5db94.pdfIn PDF document text
- http://clientbluebadge.com/54883794550kzg4m.pdfIn PDF document text
- http://usacreditscore.info/27881470715h1xrh.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4456984/normal_5ff65989bf0e9.pdfIn PDF document text
- http://mavitrade.com/android_studio_logcat_dead85elw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://297de083-771a-4730-a3b8-a2afe8c7d209.filesusr.com/ugd/47424f_56ee9063b5374f8dbad22ac7abb7eb6f.pdf?index=trueIn PDF document text
- http://tevefetilojas.atwebpages.com/operating_system_software_examples.pdfIn PDF document text
- https://88211235-bf86-4d40-a6ec-a052db2f682e.filesusr.com/ugd/94e5ef_a0967d6dacca4128a7216e65316f33d4.pdf?index=trueIn PDF document text
- https://37bcb4aa-7747-4ff6-a352-0e22bf983c21.filesusr.com/ugd/4393d3_5a25985f2779414da15d21442b116d31.pdf?index=trueIn PDF document text
- https://7605d98d-8b17-4a41-9383-f5c8d5af9bcc.filesusr.com/ugd/2bed4c_c5c0de95a23348299958f46b08eacea3.pdf?index=trueIn PDF document text
- https://bff5fdab-9fd0-4670-908b-a1308bb5a9cb.filesusr.com/ugd/227d0f_8a26ce685ece4eca82b809bc45131e11.pdf?index=trueIn PDF document text
- https://835a0401-7144-467e-aacc-710587930ffc.filesusr.com/ugd/432cba_259a64cedb594e6d8c8d9f8d4a8b248d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/farezelof/battery_calibration_apk.pdfIn PDF document text
- http://tiwatimab.atwebpages.com/que_es_la_historia_universal_contemporanea.pdfIn PDF document text
- https://8a6b9437-e7f2-49d7-8c24-351b272aa67a.filesusr.com/ugd/b18e4d_30686bdc422047bf9eefcfdd76faa9ee.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sizadagazagaj/the_maze_runner_series_movie_order.pdfIn PDF document text
- http://perexuwofogefo.onlinewebshop.net/avital_5303l_review.pdfIn PDF document text
- https://a694a867-b0fa-45cd-b082-7f9abf80b1a7.filesusr.com/ugd/430cb2_523b65d7288b42c18eb3307ff1aba290.pdf?index=trueIn PDF document text
- https://1527c8d3-3321-4e9f-872f-e2bebb57bac2.filesusr.com/ugd/bf2d42_4e77427673b84b30893ab04796e23abb.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_off00010010.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10010 | 5272 bytes |
SHA-256: 01a4682e17a3abeab1b4239b8abb072b0ccbbef8f2fc38a74c53f641c5c15815 |
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font_01_sfnt_off000111e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111E9 | 10484 bytes |
SHA-256: 8e299467a474ce79977f93031b262d6bc7fcd277b80061ca9ac90d2931705176 |
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