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 a phishing or trojan threat. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. One of the embedded URLs, https://lozipotod.ru/123?utm_term=hypothyroidism+in+pregnancy+pdf, is likely part of the malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://lozipotod.ru/123?utm_term=hypothyroidism+in+pregnancy+pdf PDF link annotation
- https://jonabosaguvaxak.weebly.com/uploads/1/3/4/8/134858844/1741445.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368229/normal_6029b644273bc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373008/normal_60155a4b7fc2a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4406466/normal_5fcd3e943e1b7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422135/normal_603359f8cc4c4.pdfIn PDF document text
- https://bigunumefojetaw.weebly.com/uploads/1/3/4/3/134314030/rigixotawekerif_zanad.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
- http://mefijunov.pbworks.com/w/file/fetch/144414921/91451976792.pdfIn PDF document text
- http://vibevekofano.pbworks.com/w/file/fetch/144584715/zisatazakajuxepukoxibel.pdfIn PDF document text
- http://siseraxoru.pbworks.com/f/onde_posso_fazer_um_boletim_de_ocorrencia_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7b2dcc70-f19a-461c-98bd-d5ea47716953/nizutapobenuwiguv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3169ad77-ec64-4080-b584-51e239bd83d9/73176910683.pdfIn PDF document text
- http://lijunew.pbworks.com/w/file/fetch/144746697/where_is_dealdash_located.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef6d3523-d975-4ee5-9306-7da52bf021e7/64437335115.pdfIn PDF document text
- http://mizunebapod.pbworks.com/w/file/fetch/144804138/17473005513.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aa8993b3-4563-4a9c-af11-a32aaa90f7ed/97050611684.pdfIn PDF document text
- http://xifatarege.pbworks.com/w/file/fetch/144683637/55429720973.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3fbf763c-2857-46b6-93ec-ca422e8e7ab9/can_you_put_youtube_tv_on_roku.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/196baddb-95ae-4e2b-8184-15e9f5ab2af6/has_result_2020_maharashtra_board_date.pdfIn PDF document text
- http://fodorafirig.pbworks.com/f/botufuvug.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001080e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1080E | 5388 bytes |
SHA-256: d6e4cd3abfa37a3f5bddc4b2df7da4fb640ad961ca532aab8ca561f760888673 |
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font_01_sfnt_off00011a3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A3C | 10660 bytes |
SHA-256: 8b99aede257b3036322af1178d600998668749541343b03a9c99e109f0965065 |
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font_02_sfnt_off00013ea7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EA7 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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