MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains heuristics indicating it is a phishing lure, specifically using an image to redirect users to a malicious URL. The embedded URL 'https://nipisod.ru/strik?utm_term=when+did+human+history+begin' is identified as a redirector. The ML classifier and ClamAV detection further support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9479
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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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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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/strik?utm_term=when+did+human+history+begin PDF link annotation
- https://luxaxila.weebly.com/uploads/1/3/0/8/130814132/pimepafufamupubos.pdfIn PDF document text
- http://usesalon.xyz/kuroxolirogonukujexor4k5d.pdfIn PDF document text
- http://vashastrahovka24.ru/54881513023fy83e.pdfIn PDF document text
- https://taxefijiduru.weebly.com/uploads/1/3/5/3/135311915/2721683.pdfIn PDF document text
- http://lojasamericanasbr.com/obra_romeo_y_julieta_resumen_cortoe0jxa.pdfIn PDF document text
- http://momopenuwawe.iblogger.org/alimentacion_y_nutricion.pdfIn PDF document text
- https://bijivabaj.weebly.com/uploads/1/3/4/6/134601785/wudasepisol.pdfIn PDF document text
- https://s3.amazonaws.com/jofunozuzof/dirawutawegikawuzana.pdfIn PDF document text
- https://tigobatimomovo.weebly.com/uploads/1/3/2/7/132740361/9713052.pdfIn PDF document text
- https://s3.amazonaws.com/toniseligiwuzux/39398315609.pdfIn PDF document text
- http://nozudozaki.22web.org/kinagenupokidogaj.pdfIn PDF document text
- http://lovelyhouse.online/unicode_converter_freezwrr4.pdfIn PDF document text
- https://s3.amazonaws.com/nemafu/98474800726.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://moxinipikilugu.rf.gd/78500060174.pdfIn PDF document text
- http://gedawov.epizy.com/alborada_del_gracioso.pdfIn PDF document text
- https://3f735f5a-cd1c-4288-bd93-adeff6e084d9.filesusr.com/ugd/bcc0e4_b6f0d7fc7bbd46cc9fda5919f73f9ba9.pdf?index=trueIn PDF document text
- https://4993f9ff-345c-4c03-a8ec-d4f8dac664d6.filesusr.com/ugd/debbe1_2de3b011776d41ed9268a09a7b0a8c99.pdf?index=trueIn PDF document text
- https://a0bbd489-bf03-48a0-8e93-88abd0751e5b.filesusr.com/ugd/370ea2_29b231b6db284441858b50f79a23fa89.pdf?index=trueIn PDF document text
- http://numebazo.rf.gd/audited_balance_sheet_sample.pdfIn PDF document text
- https://ca3ec1ac-6ff7-4c8f-ae0f-86a30d86e335.filesusr.com/ugd/3615fb_759d168643dc4844845ec16f23b8ce52.pdf?index=trueIn PDF document text
- https://20097937-9b7a-4da4-851c-33e9a8906939.filesusr.com/ugd/1e3518_31a3503b6c084f72bc7468dede21ca22.pdf?index=trueIn 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0003de11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3DE11 | 3348 bytes |
SHA-256: 8871004a02210ffa92f82b4479a9c0e64b37af3f125b35e7d07495a69de1753e |
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font_01_sfnt_off0003ea34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3EA34 | 5344 bytes |
SHA-256: ca287cac8b97fdead15a09b05bb29aacd81c38e45dd3b2e1d864ff499e7ae5fc |
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font_02_sfnt_off0003fc3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3FC3A | 16712 bytes |
SHA-256: cdb58fb020f00ed4429908302319a33123ca70eaad036cadeea6e283565ba3a1 |
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font_03_sfnt_off00042bb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x42BB3 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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