MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document exhibits characteristics of a credential phishing attack, impersonating the brand UPS. It contains numerous links, many pointing to disposable hosting, and one primary malicious URL, https://mezovuduw.ru/strik?utm_term=sensaphone+ims-4000+price, which is likely used to harvest user credentials. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to credential theft.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://mezovuduw.ru/strik?utm_term=sensaphone+ims-4000+price.
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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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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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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://mezovuduw.ru/strik?utm_term=sensaphone+ims-4000+price PDF link annotation
- http://naturagrush.space/dks_1812_ixern2.pdfIn PDF document text
- http://magnifioco.site/begekurezanapoka9de.pdfIn PDF document text
- http://idealica-italiaoficial.site/charoen_pokphand_indonesia_annual_report_2018jkebf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383131/normal_6055e0ca9b60d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385410/normal_5fe4aff4dbe79.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501965/normal_60521be2014ce.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413563/normal_606e46dcbe0bb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4443814/normal_600374aaa5267.pdfIn PDF document text
- http://moneymaya.site/gakavub419ot.pdfIn PDF document text
- http://euromarket.pro/2504337053901h2j.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zenutetuzobo.epizy.com/72897044382.pdfIn PDF document text
- http://muwided.rf.gd/kumodixe.pdfIn PDF document text
- https://s3.amazonaws.com/tobovunoberiki/fokatesem.pdfIn PDF document text
- http://madukavinoxonal.epizy.com/use_of_articles_a_an_the.pdfIn PDF document text
- https://d9e21584-559d-470c-b0e9-829a80f361fa.filesusr.com/ugd/989f82_1d89e149b6e74f88ad733f1948f0e141.pdf?index=trueIn PDF document text
- http://tivozinugokitaw.epizy.com/logical_reasoning_aptitude_test_questions.pdfIn PDF document text
- https://s3.amazonaws.com/desenaz/guided_busway_longstanton_timetable.pdfIn PDF document text
- https://s3.amazonaws.com/varoximu/jokomuratuv.pdfIn PDF document text
- https://a4067306-84c0-45ce-9c36-3cbb795fcb37.filesusr.com/ugd/d5b970_608fe2cc1b754ece967c8c889b563be1.pdf?index=trueIn PDF document text
- https://86a6be6f-1c3f-48a2-98e5-8a654ddc1212.filesusr.com/ugd/027f51_725530afe7d5405a9406555dfb33610e.pdf?index=trueIn PDF document text
- https://1bf92926-22d0-44a1-94fb-b51843c41cd5.filesusr.com/ugd/762c1a_a318d8e4e5c141188ef72568d6f30ac0.pdf?index=trueIn PDF document text
- https://ad0d0dbb-669b-46a9-85df-79487014a0f3.filesusr.com/ugd/00d95d_f2004cc7d253484bbff5c6b81a31f27d.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED50 | 5508 bytes |
SHA-256: cc0321d9c0749aac766ceefcea7e3ebcd0ee896aef289ef05e6d53048baee839 |
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font_01_sfnt_off0000ffe6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE6 | 11748 bytes |
SHA-256: 5b2afa9e2dd5e96f3ffbcf825dde5ca9c957214254e6532679a74506d171f49f |
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