MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains heuristics indicating it is a phishing lure, specifically requesting recovery secrets or private keys under the guise of a free download for Tor Browser. It redirects to a suspicious URL, 'https://jumiwimov.ru/123?utm_term=tor+browser+linux+free', which is likely the initial stage of a credential harvesting or malware delivery chain. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://jumiwimov.ru/123?utm_term=tor+browser+linux+free PDF link annotation
- https://s3.amazonaws.com/vebenok/small_cute_babies_images_hd.pdfIn PDF document text
- https://s3.amazonaws.com/fuzafuzeruwit/27301301575.pdfIn PDF document text
- https://s3.amazonaws.com/baposivarabuj/negimaxomoga.pdfIn PDF document text
- https://xejotonevuxujuj.weebly.com/uploads/1/3/1/3/131379732/9810230.pdfIn PDF document text
- https://s3.amazonaws.com/pusori/wagner_wood_and_metal_paint_sprayer_w100_-_280w_reviews.pdfIn PDF document text
- https://s3.amazonaws.com/vesubodufisi/66944574871.pdfIn PDF document text
- https://s3.amazonaws.com/febopa/kixavopamegaloxulido.pdfIn PDF document text
- https://pifujikis.weebly.com/uploads/1/3/4/8/134875168/juwidoluzefuzubatan.pdfIn PDF document text
- https://s3.amazonaws.com/xugigabitulu/what_does_the_quran_say_about_usury.pdfIn PDF document text
- https://muwamobole.weebly.com/uploads/1/3/4/3/134356931/suvuvobuwevu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://2e03c77f-99cc-4591-9807-54d8d49c9ce6.filesusr.com/ugd/759733_ee1a75e604aa4b208afddc66ef2a5893.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/495316f6-6f95-4934-a490-7397aeb68405/koxoturanodiwobage.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6410079d-b7e0-43f9-85f9-8343db2b27bb/pdf_el_juego_de_la_vida_y_como_jugarlo.pdfIn PDF document text
- https://0e67983c-e844-40c9-b604-97311ec94efe.filesusr.com/ugd/6e13d9_52df445942674372bb2cb35b59414f42.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c5176cbb-1c2e-4cfa-b321-9be9cf0403c8/carrier_weathermaker_9200_manual_reset.pdfIn PDF document text
- https://b1f0a730-f0e4-4bcf-918d-a915077b90d0.filesusr.com/ugd/a7c69d_e717899fac6542b8b14a5628a4c08a9c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/10400c7f-9c9c-4ca6-99b4-a70342d5c6eb/1060945164.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00023b0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x23B0C | 4800 bytes |
SHA-256: 7d7c82ed50ce2b1135cb1e3f5ba2b688501e78e9061ec96931e362a8b91166a5 |
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font_01_sfnt_off00024b86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24B86 | 15204 bytes |
SHA-256: 3f62623b67402deb9914e610a2a29fa6353e627cf77902bd8577606a96778f52 |
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font_02_sfnt_off00027c36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x27C36 | 16148 bytes |
SHA-256: ebaa9d42c58e3fd25c8264bcf4ef2319fee467c92cf53dcc1f377a20fc8d39b0 |
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