MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm intended to lure users to malicious content. While no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://klm-co.ru/foto/ck/files/61214713151.pdf In PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613115ecf2370---gubipokogabokupubot.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/161401163d029c---33020880912.pdfIn PDF document text
- http://hanasushichoice.com/uploads/files/37268478005.pdfIn PDF document text
- http://trovas.com/userimages/1504711032.pdfIn PDF document text
- https://adesso-moosburg.de/images/file/62606464705.pdfIn PDF document text
- https://jajugroup.com/ckfinder/userfiles/files/97232170429.pdfIn PDF document text
- http://studioarchperissinotto.eu/userfiles/files/lisaximafirizepawu.pdfIn PDF document text
- https://galerie-louise.be/userfiles/files/87069214417.pdfIn PDF document text
- https://www.idd.no/ckfinder/userfiles/files/30655095643.pdfIn PDF document text
- https://almudenafernandez.co/ckfinder/userfiles/Files/54634533844.pdfIn PDF document text
- http://marathon-gexin.com/Uploadfiles/files/95217723186.pdfIn PDF document text
- https://karapinler.com/calisma2/files/uploads/4353699046.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/boziminamegijejanaxogixa.pdfIn PDF document text
- http://yidaig.com/uploadfile/file/20210910195018.pdfIn PDF document text
- http://fotofolliasanlazzaro.it/userfiles/files/87340566198.pdfIn PDF document text
- https://forumhrdbekasi.com/webroot/userfiles/files/8861539785.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/getulano.pdfIn PDF document text
- http://chixue.com/uploadfile/file/20210916132210.pdfIn PDF document text
- http://mtsp.by/userfiles/files/31261576969.pdfIn PDF document text
- http://songdolandmarkcity.com/userfiles/file/74113298393.pdfIn PDF document text
- http://digitalqwerty.com/ckfinder/userfiles/files/jifebap.pdfIn PDF document text
- http://kiddeefire.com/media/userfiles/files/82486252383.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/63a6ab38e03f90d594fce343c3c72d9f/86394551467.pdfIn PDF document text
- https://ventsistem-bg.com/userfiles/file/golemunadexaduv.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+open+phone+if+we+forgot+patternPDF 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_off0000ec83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC83 | 19788 bytes |
SHA-256: 02054c2707d20cb5aaaddc11dfc38ffda0ed5d578608b53212b3c98b4a109a02 |
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font_01_sfnt_off00011ef4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EF4 | 10500 bytes |
SHA-256: ee4ab8d097fde872bd118686093d8986577391986fab08d1e4abee2fa7161961 |
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font_02_sfnt_off000136cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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