MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple unknown and potentially compromised domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and URL patterns are consistent with a lure document designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://wang023spa.com/userfiles/202109file/2021090823233670554.pdf In PDF document text
- http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/90493254504.pdfIn PDF document text
- http://dentish.ru/ckfinder/userfiles/files/42956417323.pdfIn PDF document text
- https://artesapanaderia.xyz/aym_image/files/zerumukawa.pdfIn PDF document text
- https://buzascsaba.hu/userFiles/file/jejojuxasudevebizesonav.pdfIn PDF document text
- https://rivieresoceanie.com/userfiles/file/15569290550.pdfIn PDF document text
- https://mcgbaharat.com/userfiles/file/77016905488.pdfIn PDF document text
- http://hani-bee.com/userfiles/files/36914721619.pdfIn PDF document text
- http://bawaconstructions.com/editorData/file/vexofex.pdfIn PDF document text
- http://londonjip.com/userData/board/file/80235786392.pdfIn PDF document text
- https://hotelharmika.com/assets/userfiles/files/fuwaralarupitivubatat.pdfIn PDF document text
- http://tiendanatacion.com/noticias/files/67337971865.pdfIn PDF document text
- http://123dvere.sk/files/file/62488668814.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6bc35b69c---teramoroziroguxerigupiza.pdfIn PDF document text
- https://fier-forjat-valimet.ro/ckfinder/userfiles/files/ziwapepuxege.pdfIn PDF document text
- https://www.nickelmarket.co.za/includes/ckfinder/userfiles/files/konusuxixusapemawatat.pdfIn PDF document text
- https://gastrotest.co/ckfinder/userfiles/files/50764173003.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/161343f63ce81b---33692336134.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3e3732020---bulixugozefegul.pdfIn PDF document text
- http://trust-law-firm.com/userfiles/file/20210914115931_1824649235.pdfIn PDF document text
- https://siriusdynamics.com/assets/uploads/files/joxupasifexemevitir.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=recommended+game+offlinePDF link annotation
- http://perfecturology.cafe24.com/upload/editor/imagefile/37391436228.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_off0000b0b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0B6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c8c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8C8 | 15240 bytes |
SHA-256: bb8b740857156c8a4a12edfb48cb3ae44bda6e2aa767eb780e668ed35ce352af |
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font_02_sfnt_off0000ef57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF57 | 10500 bytes |
SHA-256: 87e09ad2731206faa48861965a746f3d1860a68fbaef079a95dd84824e5010a2 |
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