MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm used for phishing or malware distribution. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with malicious document delivery mechanisms.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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://webinaris.eu/ckfinder/userfiles/publics/files/jekuvesekugiwik.pdf In PDF document text
- https://hamzakocakoglu.com/userfiles/file/20799483633.pdfIn PDF document text
- http://optykglowacki.pl/obrazki/files/38156505624.pdfIn PDF document text
- http://jiehuist.com/userfiles/files/53445333274.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160afd0332ffe2---kovatubavidogagupapi.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7790c96192---vusigixilire.pdfIn PDF document text
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa36530ba8---mepokimekibatudof.pdfIn PDF document text
- http://giadinhmedia.com/uploads/files/3636378429.pdfIn PDF document text
- http://cisseo.net/userfiles/files/40175631676.pdfIn PDF document text
- http://moscowfashion.net/content/xuploadimages/file/residenisok.pdfIn PDF document text
- https://andrejc.si/files/file/72084765718.pdfIn PDF document text
- http://jinshi66.com/uploadfiles/files/74218646550.pdfIn PDF document text
- https://anukulagrotech.com/ci/userfiles/files/sabazixirizozo.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608257d8a0a2a---99918600198.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/f2873003740b97687465bfdcb21f9bf0/16309382881.pdfIn PDF document text
- http://www.masozilina.sk/ckfinder/userfiles/files/xelader.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/214a898ca71728d5e38b6b0ef5e24a89/90400665202.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/ppaggbonejvmlt80mq5cc5ddgs/87920351213.pdfIn PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/vewejupenavudejunafabo.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/8ee08051e6a317e5057e3164c98fd1c5/poburamitaminexukodaj.pdfIn PDF document text
- http://faxik.ru/ckfinder/userfiles/files/nesaxuvukunivimo.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/387a3cca09bd77b9d717371ab1674c3e/temimi.pdfIn PDF document text
- https://cargotavio.ru/files/file/fujomimuzotitekinolu.pdfIn PDF document text
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/e02a8530d5aee34637f66f65e9b9de61/velovimojakoxefojipov.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=top+most+poorest+countries+in+the+worldPDF link annotation
- 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_off0000c883.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC883 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e09a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE09A | 10768 bytes |
SHA-256: 6be1630573aa711852bbd5411fe28b88f65d011afb09d5b46179efe5c739c2f5 |
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font_02_sfnt_off0000f935.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF935 | 16680 bytes |
SHA-256: 46b44bc3edbe62ccb90af9093bfd965899e1daea4eb48e404736f52c2819e052 |
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