MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1204.002 Malicious Link
This PDF document exhibits multiple high-severity heuristics indicating a phishing and redirection lure, specifically related to payment or bank details. The embedded URL, https://kuzutuzo.ru/123?utm_term=accounting+format+prescribed+by+electricity+act, is presented as a redirection link, likely leading to a malicious site. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 8
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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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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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://kuzutuzo.ru/123?utm_term=accounting+format+prescribed+by+electricity+act PDF link annotation
- https://cdn-cms.f-static.net/uploads/4458137/normal_5fd9c445ef891.pdfIn PDF document text
- https://dufofumiwiz.weebly.com/uploads/1/3/5/3/135309849/pivepabas-sifixofavoxema-biwixugipaza.pdfIn PDF document text
- http://nageramuvepom.mywebcommunity.org/study_bible_download_for_android.pdfIn PDF document text
- http://barberking.best/cacaoweb_android_tvkmp4v.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409799/normal_5fef8002b3e16.pdfIn PDF document text
- https://xirofagoxo.weebly.com/uploads/1/3/4/5/134576207/sonem-kasux.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408195/normal_5fea264c7e3a7.pdfIn PDF document text
- http://mkuu.club/gantz_evrimii_manga_oku40fa1.pdfIn PDF document text
- https://vewekazetuxif.weebly.com/uploads/1/3/1/3/131379326/4129226.pdfIn PDF document text
- https://zunezazawegor.weebly.com/uploads/1/3/4/6/134665047/gikuved_zejojox.pdfIn PDF document text
- http://pizuwujigajanen.medianewsonline.com/que_es_el_texto_argumentativo.pdfIn PDF document text
- http://cookwellbakewell.com/respetar_los_derechos_humanos_en_inglsq454x.pdfIn PDF document text
- https://vumiwexazowonig.weebly.com/uploads/1/3/4/6/134680765/gafurev-tewiwimaro.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401972/normal_6049c829e99a5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/davubewu/19621256823.pdfIn PDF document text
- http://tipipigi.atwebpages.com/59641026927.pdfIn PDF document text
- http://tokofelutuj.epizy.com/letter_y_worksheet_for_kindergarten.pdfIn PDF document text
- http://xeravujowa.epizy.com/5446242748.pdfIn PDF document text
- https://s3.amazonaws.com/vovopafubipu/how_to_tell_the_weight_of_oil_fast.pdfIn PDF document text
- http://puxipus.rf.gd/86409932909.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_off0003f243.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3F243 | 5708 bytes |
SHA-256: b48d06d6a140b6358391b1e5e5b977e3906c266909168694d1c1492e73869119 |
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font_01_sfnt_off0004059b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4059B | 11444 bytes |
SHA-256: c34ff1bfa742c114860296a1149597381d16c599d418a389d9f53d3bb1cbc36b |
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