MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. It contains numerous embedded URLs, with a primary external URI pointing to 'smidgel.ru', likely a phishing or malware distribution site. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a tactic of using multiple disposable hosts to obscure malicious intent, further supporting a phishing or scam-related attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://smidgel.ru/pbw?utm_term=madhyamik+math+book PDF link annotation
- https://static.s123-cdn-static.com/uploads/4423452/normal_5fc653aabcaf4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476418/normal_606e78f967a68.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416932/normal_5fe7af03a8504.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487382/normal_5ff77703dea60.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/29437535-d168-48ea-b6f5-9d2a4a6743f2/which_zodiac_signs_are_most_serial_killers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f9e8d507-3cd3-4b8e-b064-c377767506f3/52170160212.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/48a2252f-9737-4a2c-9b91-71b77d0da418/92649142972.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/78719288-e491-4721-bcd7-77654afbee45/81287944437.pdfIn PDF document text
- http://muzurinugaw.pbworks.com/f/23982344963.pdfIn PDF document text
- http://fupimogevif.pbworks.com/w/file/fetch/144781239/21923793808.pdfIn PDF document text
- http://vamafob.pbworks.com/w/file/fetch/144458325/hisense_smart_tv_remote_control_instructions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85f903ed-07bb-49ad-bcb2-abd7f2e53ac4/65844896506.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3477c9e8-0885-4c9c-ab8b-e8af84975da9/30381365230.pdfIn PDF document text
- http://zufogopojut.pbworks.com/w/file/fetch/144500820/did_spacex_launch_from_boca_chica_today.pdfIn PDF document text
- http://tavaretaz.pbworks.com/f/43083976258.pdfIn PDF document text
- http://zizojeza.pbworks.com/f/please_find_the_attached_updated_file_for_your_review.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f2e6677f-6d78-42e2-a7da-a6bed38d9c1e/daxurumozejutifojixavuli.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
- http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9C8 | 5068 bytes |
SHA-256: 05f3006830062dadbf950c1d968d73b3db1f35092905a036b9b22b0a68b7079b |
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font_01_sfnt_off0000faf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAF2 | 15928 bytes |
SHA-256: dd16270fd8b7801f1fa431876a97e7cdd1eeed394c45035737647400dbcb1cfa |
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font_02_sfnt_off00012ac8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AC8 | 10148 bytes |
SHA-256: 4857d62a512789c8500555deaf03e0e2fabd8fc23bda5a45347d1617de7628cc |
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