MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by multiple heuristics and an ML classifier, specifically flagging it as a credential phishing lure impersonating WhatsApp. It contains numerous embedded URLs, many pointing to disposable hosting or redirectors, designed to lead the user to a malicious site. The PDF structure and embedded content suggest it exploits PDF vulnerabilities to execute malicious code, likely for credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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Brand-impersonation credential phishing lure critical 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: action link to abused redirector https://bovuxubirike.weebly.com/uploads/1/3/0/7/130738735/07350c90.pdf.
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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://seumenha.ru/strik?utm_term=what+is+the+theme+of+madame+bovary PDF link annotation
- https://bovuxubirike.weebly.com/uploads/1/3/0/7/130738735/07350c90.pdfIn PDF document text
- https://jagavovukivotu.weebly.com/uploads/1/3/4/8/134881855/vefexijovufekumudun.pdfIn PDF document text
- https://nuxajitavira.weebly.com/uploads/1/3/1/8/131871558/949256.pdfIn PDF document text
- https://nozagovedenide.weebly.com/uploads/1/3/2/6/132682533/jikatiwuvow_wezopepugupofup.pdfIn PDF document text
- https://cdn.sqhk.co/zebapomiz/hdIDPih/61886374619.pdfIn PDF document text
- https://tujurexi.weebly.com/uploads/1/3/4/7/134743655/vutexovefovifaladur.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381547/normal_60299d5212beb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383451/normal_5fe503e34fec2.pdfIn PDF document text
- https://gedenotovet.weebly.com/uploads/1/3/1/3/131379555/3492947.pdfIn PDF document text
- https://cdn.sqhk.co/bavisimupux/iei3J39/30871791626.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://17c3d818-7f64-4152-976a-2fa997d7a7be.filesusr.com/ugd/e2c250_8106f15b85fa4e9487f689e4cb7a5115.pdf?index=trueIn PDF document text
- https://7133fc40-0b9c-4701-b953-e7fafc934b44.filesusr.com/ugd/70a38d_77d7175d36b149918c4bd1538337b16c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mukutud/zagid.pdfIn PDF document text
- https://45f91bdd-2b68-4e60-ae2c-b14373ae5332.filesusr.com/ugd/0d089b_7166a620c2d24ddeadf09886e06e7b62.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rebomedug/21840567575.pdfIn PDF document text
- https://92fa68c6-d088-48c5-94d9-776fe0504fc0.filesusr.com/ugd/5a053b_cd80757bd004420db400785e0761d9b2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fuvidokibet/95873750692.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_off0000feb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEB6 | 5432 bytes |
SHA-256: feb75cc52762740d552bcca2b38ad15369e76e51f87645d4e7b7a512a9d81519 |
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font_01_sfnt_off00011119.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11119 | 12932 bytes |
SHA-256: 5e8f26c10aea7653839aed58759e241c90dcbd3b307997a67ad42d09af9e507f |
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