MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised CMS upload storage locations. These links are likely used for phishing or to serve further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c65e2358384---ditugalanolawebubuvi.pdf In PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef21178344---26941804162.pdfIn PDF document text
- https://panegovernance.com/ourprojects/chowki/UserFiles/file/tujuk.pdfIn PDF document text
- https://drlanda.hu/user/file/zizitulegup.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084b600dbccf---depasuvepipezigimirumero.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16086649ab5286---jabapajejasujijo.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b8daf122b---lewujogutatowujijavenapo.pdfIn PDF document text
- http://thermcom.cz/userfiles/file/46362455430.pdfIn PDF document text
- https://fwullong.com/upfiles/editor/files/87711128060.pdfIn PDF document text
- https://ville-rouillac.fr/docs/file/sipuxetilo.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/363962bf5cb61b5933edbfafe22069f8/69491828799.pdfIn PDF document text
- https://sportsht.com/userfiles/file/xirulelubeduxiduf.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a05e15adcb8---fataxotajefexodoxen.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/dpofh302425pdasnn2pdidn0c4/tuvopatamup.pdfIn PDF document text
- http://sevoir.hu/uploads/file/gesepoguzopabaja.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/s7cv4m6csm7ijj1ub2707r5hl6/52894807415.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/7bb15ef86361561f7233b81f76cd2de6/9540636418.pdfIn PDF document text
- http://sochi-riba.ru/ckfinder/userfiles/files/sesebijizagudemepuvuliva.pdfIn PDF document text
- http://weddingdiy.cc/uploadfiles/files/20210626_120610_1399.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0c4e1eeebd---47117699399.pdfIn PDF document text
- http://sethhukumchandschool.com/userfiles/file/lozezazegivuwuwubakibenew.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb93ae7d0d2---79179107524.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f66e71688e---posofaliverepez.pdfIn PDF document text
- http://kondicionery-vidnoe.ru/upload_picture/file/safedasirubekubagatow.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=how+much+should+a+5+month+old+blue+heeler+weightPDF 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_off00010da2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DA2 | 11268 bytes |
SHA-256: b2509d0d26d08dadf5806e91e25f8a43cb7086dce69be2b8adc1685f314f89e4 |
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font_01_sfnt_off000127ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127BA | 16700 bytes |
SHA-256: 324c5f1428c6fbdf8489f2463d3362379c39f9db49a9487a1313b69d3075efc9 |
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font_02_sfnt_off0001532f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1532F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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