MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. It contains an embedded URI pointing to 'inwebjor.ru', which is likely part of a phishing campaign. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed to host multiple links on disposable domains, further supporting a phishing or scamming intent. No scripts were extracted, but the overall structure and embedded URL suggest a malicious intent to redirect the user.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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 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://inwebjor.ru/pbw?utm_term=how+to+update+my+samsung+tablet+to+android+5.0 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4368751/normal_5ffd5667bf37a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468531/normal_60210ae8ca127.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kelivesas.pbworks.com/f/dagavupekuterode.pdfIn PDF document text
- http://molosafokaji.pbworks.com/w/file/fetch/144549306/wind_guide_golf_clash_ring_chart.pdfIn PDF document text
- http://wojipag.pbworks.com/w/file/fetch/144413640/24103315903.pdfIn PDF document text
- http://garigor.pbworks.com/f/nescafe_dolce_gusto_descaler_nz.pdfIn PDF document text
- http://natizasex.pbworks.com/w/file/fetch/144411435/human_genetics_concepts_and_applications_12th_edition_by_ricki_lewis.pdfIn PDF document text
- http://bemulopawed.pbworks.com/w/file/fetch/144657252/56111705604.pdfIn PDF document text
- http://pigedigasexu.pbworks.com/w/file/fetch/144508332/what_should_a_dogs_temperature_be_when_in_labor.pdfIn PDF document text
- http://xojifot.pbworks.com/f/how_to_add_friends_on_switch_minecraft.pdfIn PDF document text
- http://lururefisu.pbworks.com/w/file/fetch/144658929/18398004074.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c264169c-45d7-4798-b733-20efdf8eea81/what_does_it_mean_when_smoke_detector_chirps_twice.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/91ed7b9b-0987-4e09-bc39-f988366b2261/samsung_clp_315w_wireless_setup_software.pdfIn PDF document text
- http://zepupifob.pbworks.com/f/1405031149.pdfIn PDF document text
- http://morabef.pbworks.com/f/jobidubuwolejukiwenimadi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b8cb4b92-c1b3-4933-8fb0-c6a78dfa7012/jetakanezodok.pdfIn PDF document text
- http://saladolu.pbworks.com/f/sodekevurebegukutokib.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a499ea38-2fea-40d2-90c1-d8bd036b55b0/367476061.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a56fb10a-a55c-4748-be0c-41a1468c95c5/diveletajelelafosurowuwa.pdfIn PDF document text
- http://zubipuwaf.pbworks.com/w/file/fetch/144516363/what_is_the_gothic_architecture.pdfIn PDF document text
- http://fubajulak.pbworks.com/w/file/fetch/144426507/87186256668.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f361.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF361 | 5872 bytes |
SHA-256: 8b25caa419839be0163502fdf8113e2b9a222fa212f3ec0ad5efdddba25921f3 |
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font_01_sfnt_off00010760.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10760 | 11440 bytes |
SHA-256: f25857a20dc876b44ad04b0029e920963f5d3490875272f57b3145156f95fb20 |
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