MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised CMS uploads, indicating it functions as a link farm. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm its malicious nature, likely as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a792664d292---45170116726.pdf In PDF document text
- https://kurtoglumob.com/upload/file/22481166800.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a461c841589---notegusuwu.pdfIn PDF document text
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/575f191f87ea9ad9fede9ef3484528b7/36211605094.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb785a9088---nubokaxiredisusigal.pdfIn PDF document text
- http://banglatalkies.com/dynamic-images/cms/file/kawovi.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607266a30d3f5---7555947376.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087c3a8ac649---wenez.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16072b86502a7c---kipebala.pdfIn PDF document text
- http://fsgpj.com/upfolder/e/files/20210624130126.pdfIn PDF document text
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/cb3fb33b22db3f7cecc10d62e2779d14/11967732611.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609503fe907db---80270735346.pdfIn PDF document text
- http://www.jucadent.es/ckfinder/userfiles/files/fixamonetitasamujem.pdfIn PDF document text
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c7b67758179---53366654075.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608ddcc1808bc---14825562966.pdfIn PDF document text
- https://brahmagnanam.org/fck_uploads/file/ximotegibosi.pdfIn PDF document text
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/84bcbabc89173eba5bd4e7467fd058f7/94350622960.pdfIn PDF document text
- http://donghobaoan.com/uploads/files/26839625562.pdfIn PDF document text
- https://global-brand.net/userfiles/files/ruzuvinitetepevusuz.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/88982893678.pdfIn PDF document text
- https://vishalahospitality.com/ckfinder/userfiles/files/zajeguje.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/e5d8330d84c1e8ba8b1adcc0b928ccaa/26732063783.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/f1e86l8srosuh578fckk5bdv8q/28770925303.pdfIn PDF document text
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/6jpue5nrfdksfuj6q3ka8jm2kl/48692272321.pdfIn PDF document text
- http://eotp.info/sites/default/files/fck/file/xakomoniniforolaxazekebul.pdfIn PDF document text
- http://first-group.kr/ckupload/files/9734629851.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=coughing+up+chunky+phlegmPDF 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_off0000fb91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB91 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000113a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113A3 | 17088 bytes |
SHA-256: d8bdd9a94ca7668c2a548b700843b1c934e0ee7ef6f0444f6a46054b38c1e846 |
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font_02_sfnt_off00013fe7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FE7 | 10632 bytes |
SHA-256: 18cb862c17e12f4ae48d0bd525ec62769d5aa544cd8730b676cefb6cf19099d1 |
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