MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which are hosted on compromised WordPress sites, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://atomleasing.ru/media/File/3307067252.pdf In PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/540501f02c154140b66a6d2b5bc7c00b/71896915719.pdfIn PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b76a87930---bimumovimasilobuv.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb94878d2f---zajowelegub.pdfIn PDF document text
- https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/47c6cac2a70d325df33643e86d984135/dumolarebifolaxelepiva.pdfIn PDF document text
- https://piuspvc.it/userfiles/file/71670545813.pdfIn PDF document text
- http://finchamauto.com/pics/46806703090.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b2953035a---18334093857.pdfIn PDF document text
- http://taxicityplus.ru/userfiles/file/69250026241.pdfIn PDF document text
- https://guijek.com/userfiles/file/39627426412.pdfIn PDF document text
- https://bojovicsirogojno.com//files/tifilolajenapozawejogosod.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609850213bf67---33703750876.pdfIn PDF document text
- http://df-2.de/images/daten/file/5357305201.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-8/20210508131406968186.pdfIn PDF document text
- http://0930actress.com/files/files/98155684415.pdfIn PDF document text
- http://gazetavk.ru/img/file/98175552515.pdfIn PDF document text
- https://mobilieroccasion.fr/uploads/file/goduwavawuteguwogunom.pdfIn PDF document text
- http://xn--42cfa4ewb0a0b3fwh.com/imageupload/files/woguxanoxonatedov.pdfIn PDF document text
- http://taikenplan.jp/ckfinder/userfiles/files/xuwavedaj.pdfIn PDF document text
- https://iword.de/userfiles/file/92396608467.pdfIn PDF document text
- http://cestovni-postylka.eu/userfiles/file/41673369574.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088ca24df82e---rafiz.pdfIn PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/r04bmkoidf7q7rafmi0vkn97ur/zenukuwapudaliri.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=metodo+de+eliminacion+gaussiana+3x3+ejercicios+resueltosPDF 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_off0000eab6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAB6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000102c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C8 | 18644 bytes |
SHA-256: 1bb3349ab7665393e0f599a3d5d1197a811fad34798c58e482bf137b7d0f36a7 |
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font_02_sfnt_off00013360.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13360 | 11212 bytes |
SHA-256: 2a3cc84a1ea2bebe8d9329de591d7d83a051361baa778c9161b9e30fc199641f |
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