MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document is identified as a malicious advance-fee scam lure, likely intended to defraud recipients. It contains numerous links to external PDF files hosted on various websites, suggesting a link farm designed to distribute malicious content or phish for information. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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 http://anhuicrew.com/upload_fck/file/2021-5-14/20210514152227939686.pdf
- https://aduanaldelvalle.com/userfiles/file/55709673466.pdf
- https://healthmatters.me/userfiles/file/mugexo.pdf
- https://mudraconsultancy.com/uploads/files/sekugevuzukure.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1608616fd6804a---62090800072.pdf
- http://xboxheerlen.nl/userfiles/file/mugakawanukupi.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160a746130cb4e---modifojigujajupaxasufe.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/1ea702ace0ca068ea807a02135f16454/wezebonoxe.pdf
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ab82e8d1e---33589605397.pdf
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608882862eb31---zuxewajuzajumowuno.pdf
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/3995c51f4e674c1dba799b25934ebf9b/lubokumigogavajugilaru.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cafaf3bb5f---18865401219.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/h9qm7ne336q75uuv7ms49d49or/63841609359.pdf
- http://studiodrago.eu/userfiles/files/19496371465.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160889ceaca71b---82369729588.pdf
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/b663e3dcd0c7b781260ff63e05e5b00c/58897752839.pdf
- http://bumsnab.ru/uploads/files/28815412966.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/098f412d80b1fbcee594042845881063/kibidedad.pdf
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/qit050b8plniipric3iaurdev1/14096748520.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16094b91b9a49d---10849954778.pdf
- http://sys-svinding.dk/userfiles/file/poxopupirugatixefijigosew.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/3357558079d7e09e59d41f887df84ca3/70773644816.pdf
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/dd92fb9ea9824623104dcbeebe51fb76/91063705433.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=op+amp+microphone+preamp
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001482b.bin158983f1d94eb53722a482fb29306d8ebceef7ea0f0981ab72896e14cf8809d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1482B | 17808 bytes |
font_01_sfnt_off00017764.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17764 | 16792 bytes |
font_02_sfnt_off00018f7b.binf53a9d09d74e38043c61c6f6e6182d6a70906ff42cc9638d012004f0c8201154 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18F7B | 10352 bytes |
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