MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external links, many hosted on compromised WordPress sites, suggesting a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://cructi.ru/uplcv?utm_term=tv+channel+apk PDF link annotation
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/3c2ee06e8af2d1e8c9a2269514a643b5/63709454165.pdfIn PDF document text
- http://maasmartcity.com/userfiles/file/9812470672.pdfIn PDF document text
- https://aonetreks.com/uploads/file/zupuponoseku.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/edbe0eddde6a5597abf8440645a7719d/xadoxu.pdfIn PDF document text
- http://dailymaydemtien.com/userfiles/files/58009474839.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/26kfnpfatulhponjo5m81g9dmf/2351022215.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8a8d5c03b---mekofujakag.pdfIn PDF document text
- http://to-kajihan.net/js/upload/files/4522913812.pdfIn PDF document text
- http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16083bbb8530db---dawurobedagupitu.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/r0gla1dai0f2ige77ie7ndunjh/16814083735.pdfIn PDF document text
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/10193035527.pdfIn PDF document text
- https://skvacations.com/userfiles/file/xososuxokezidurivoxididov.pdfIn PDF document text
- http://villa-margherita.biz/userfiles/files/88779459304.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160de6f8804d93---mesamexu.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d1de2b91d6c---10617522468.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/fjnlpp701lop7gqkrcc05eae10/23052157466.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/92333b3d2b65eed38305d64003bcd9fd/sofipimupaxano.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16075f676dc6b0---88866415133.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/42372679587.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607febc02d4d7---nigeniwemejafilul.pdfIn PDF document text
- https://czus-lukasa.sk/userfiles/file/nogelobamagarete.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f26b277fb---sogevumuse.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d472f9ffcc---nurunakemulukesevaji.pdfIn PDF document text
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/e62c9964ae20db5129dcad63117b722b/pexaxogedaketefakemo.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cb21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB21 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e338.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE338 | 10016 bytes |
SHA-256: b921e9f7fb48a550b0bcd1d08db0526a0b1581f9c3573634d4737b6ff5a22de4 |
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font_02_sfnt_off0000f964.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF964 | 16572 bytes |
SHA-256: 768fb18d479afbc80a89f6684af9e19382b256d29bd22328a30d6c0744cfc725 |
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