MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a seed-phrase/secret-recovery lure. 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 0.9998
Heuristics 7
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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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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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://nipisod.ru/123?utm_term=confusing+words+worksheets PDF link annotation
- https://bimozasobo.weebly.com/uploads/1/3/1/3/131398313/530200a.pdfIn PDF document text
- https://luvisumor.weebly.com/uploads/1/3/5/3/135390586/2767651.pdfIn PDF document text
- https://wovebisaji.weebly.com/uploads/1/3/4/6/134687394/fumos.pdfIn PDF document text
- https://zedodunojoponex.weebly.com/uploads/1/3/6/0/136083391/fidakozadiku.pdfIn PDF document text
- https://morekakenug.weebly.com/uploads/1/3/5/3/135335539/9390d7374b60bb.pdfIn PDF document text
- https://vavimogazoru.weebly.com/uploads/1/3/5/9/135968849/sijizisewo.pdfIn PDF document text
- https://wusikizojig.weebly.com/uploads/1/3/4/8/134883510/pupew_fudikifufonuve.pdfIn PDF document text
- https://muneberixiloza.weebly.com/uploads/1/3/4/3/134339704/baviluxogisibudal.pdfIn PDF document text
- https://tofeligekejogen.weebly.com/uploads/1/3/4/8/134873344/jefuzipuji.pdfIn PDF document text
- https://pinosapop.weebly.com/uploads/1/3/4/1/134131344/fbed7193.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/1ec5f1a3-b69f-452a-96ce-8a67551c1e0e/gipizogosawizezotoposa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/903ae36e-b4a4-4a66-95df-245babdcf6d6/jazz_guitar_chord_progressions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b789fdc9-7c34-4c70-a7b2-438e9582eef7/vishnu_sahasranamam_telugu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e2e653b4-58fd-4690-b6f9-9b8c544b6f35/63266330369.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1aa8a83a-2d33-4e63-8938-57a4828a56a9/dudujitixirixuzu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08f6d260-11cb-48c2-9733-945a42109188/what_is_literature_youtube.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/39a2d565-ce6c-40c2-823d-a49564f31273/xurobizox.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6a6fe5d8-b7ce-4d71-bd09-774393713c7c/calculus_early_transcendentals_11th_edition_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3424c086-5152-4dd1-99ab-69354c4fb9c5/symantec_vip_self_service_portal_cvs.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_off0000e619.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE619 | 4988 bytes |
SHA-256: ad197f05f578596350b3104a2d308010d80b321fcf12591fefd5e3275566b829 |
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font_01_sfnt_off0000f71c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF71C | 10288 bytes |
SHA-256: e7f9f4d58cc3d2925bbbb0d72f1b7027864251e4ecd440b3e61ec1e0948850d7 |
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