MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to various domains, many of which appear to be compromised WordPress sites used for hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests these links are part of a link farm designed to exploit search engine optimization, likely to distribute phishing content or malware. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://pistant.ru/uplcv?utm_term=racecourse+in+north+yorkshire PDF link annotation
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/7014cb8d4253898ccf7e2d1fde5cb482/borepeviguzojavederagase.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7151e985e---32438164193.pdfIn PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d4efb8d91---rulijuwigokefikunav.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/a553ad059eef7fdbbaa80d9047c376dd/54040048746.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b44ffdc8218---narezasekumitat.pdfIn PDF document text
- https://kogan-photo.ru/wp-content/plugins/super-forms/uploads/php/files/0f3ae94bcf41292ac87ea41877830e62/20762059999.pdfIn PDF document text
- https://brod-plovdiv.com/images/11094844479.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c47b0999b03---52000606693.pdfIn PDF document text
- https://narimasu-chintai.net/jcfiles/file/roxez.pdfIn PDF document text
- https://alarrabnews.com/images/content/content/file/masokabuv.pdfIn PDF document text
- http://www.euro-fly.eu/userfiles/files/derudazozafogikexo.pdfIn PDF document text
- http://diclenakliyat.com/userfiles/file/45397154837.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608c949724ca4---84051818464.pdfIn PDF document text
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/e2lr9ln0qi8k2jhl5ensph348d/17010519839.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160850fe64656d---67008051996.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bef9ba350b---99291498223.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/cb65f846b723add5d31a9d049eaf6651/jibomuni.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16095f832332a3---musexuxobatud.pdfIn PDF document text
- http://aptchasers.com/FCKeditor/userfiles/file/tizogamojizawemezovabi.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093c8f1d0f42---xuxoteporifibupavudagum.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/gjm1qie3m7l1depshsidcjjgi0/xavitijixopi.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/910c340182c9e6341439257aa174622a/12439870230.pdfIn PDF document text
- http://massarentearchitettura.com/userfiles/files/79162728958.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_off0000f5d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5D4 | 17764 bytes |
SHA-256: c7efc4561c245973b222ba9df3e196a96346cb14001b2c0e7d05ffe6cac9368b |
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font_01_sfnt_off000124b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124B4 | 10632 bytes |
SHA-256: 28723a71d7152963d3d1abea3f8c4a47079725cfb984bcf97470fed43f54e2bb |
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font_02_sfnt_off00013d0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D0C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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