MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a phishing or malware distribution campaign. The presence of embedded URLs and the nature of the heuristics point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://inwebjor.ru/uplcv?utm_term=socialising+a+puppy+before+vaccinations
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081f75244d4e---rajuzowevukowogifuvo.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160afb1413552f---11749305191.pdf
- https://wita.lt/images/files/ginesiwopatulujivuto.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a54db992785---zivupopisadekedikusiput.pdf
- http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/sojalesuxu.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160898dd9be8cd---25952794666.pdf
- https://stopserv.ru/files/file/vakejenane.pdf
- http://fittbike.hu/files/file/21173633674.pdf
- http://mikomisushi.com/uploads/files/89345539307.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/6b63570686292e7e29758c8107adeb62/lijewaluxunogararuwume.pdf
- http://onlineticketreview.com/images/file/45597450917.pdf
- http://rykatd.com/files/xiligotiratoxu.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/cccf223f95b583be3ba5028826c28dce/dadofa.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0ee5f14564---jofefus.pdf
- http://zrdb-drogbud.pl/Upload/file/88553535864.pdf
- https://directorvincentchow.com/fck_filemanager_upload/file/23374018904.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/7f81d5ad44b546cb790f900a1f3daa18/likerujiva.pdf
- https://apoiotelecom.com/imagens/img_fckeditor/file/55081164931.pdf
- https://stollerco.com/testingsites/advantage_aviation/assets/media/file/26749757736.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/7f9c039e1407e8bd4a7c38dde9e06cfb/33547393939.pdf
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c96b528cc07---pobivabirosoxan.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c08387b1218---4570056005.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606f16bd47a0e---637031767.pdf
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16085ffe4ab4a5---74414284510.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ace09f0ba88---bakotodagodobolexeg.pdf
- 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_off0000f444.bindca0a8fe989d9559c8891800b4cf2fd1446e18eca544c835a673df24557bd939 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF444 | 17956 bytes |
font_01_sfnt_off000122e0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122E0 | 16792 bytes |
font_02_sfnt_off00013af7.bin6d671aedb5d4697ae2b91d243d93aa80bfdce58781eb7982402a46cb48319863 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AF7 | 11152 bytes |
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