MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised WordPress sites and other potentially malicious domains, indicating a link farm designed to distribute traffic or host malicious content. ClamAV and ML classifiers strongly indicate maliciousness, with the PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supporting the link farm nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://hillcresthigh1971.com/clients/9/9f/9fbf9047a6869172a982db6f42f05a9a/File/90103650967.pdf In PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609e50ce2d432---juviter.pdfIn PDF document text
- http://itssilvertime.com/clients/2/24/24efe347a73a8ce028152bf895bc11a7/File/24113332449.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/c1a00a74edb0aa8f8a83bc8f4b510947/sowusuritevipit.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/ht53ffo2d63n71ntavsco0im8t/pazavogomatosoxosi.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b0efe2bef69---67744089520.pdfIn PDF document text
- http://easyreturn.store/userfiles/file/81913358646.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096721794025---44474966067.pdfIn PDF document text
- https://nbtele.com/en/cache/fck_files/file/69827206722.pdfIn PDF document text
- http://ingpoggi.eu/userfiles/files/pegikas.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/6r7jpoeo0b3asggvi6ahpnpghp/23417336945.pdfIn PDF document text
- http://nage-z.com/ckfinder/userfiles/files/54665859305.pdfIn PDF document text
- https://nnkcreations.com/userfiles/file/venaxogalopa.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/988brqckbck1vifg66fliider7/2751846587.pdfIn PDF document text
- https://dacinsara.ro/fckfiles/file/3049519727.pdfIn PDF document text
- http://michelesherrinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/58699988831.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd9b3995eb---delaganapixuxuba.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/sobedesozinigi.pdfIn PDF document text
- https://elminhaj.org/userfiles/file/nelapukipe.pdfIn PDF document text
- http://deforma.it/userfiles/files/88583745141.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160889511f3ac2---mubiwaberosu.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/9kbup4clcpnfgp1em7sh3bdcb2/turafujukawiruzin.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/16088c1fe9f89c---duvesefezemidivuj.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=vedic+maths+subtraction+worksheetsPDF 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_off0000ef6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF6A | 10976 bytes |
SHA-256: f00938eae49caa0b38373c782f7a82efd6eb30932ca2e5d99776d5a07e209944 |
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font_01_sfnt_off000108c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108C0 | 16084 bytes |
SHA-256: 268304f6df0d1759c7d629a97e0e5ffe289d449839ef2fe0150f249a16c7e2b5 |
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font_02_sfnt_off00013282.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13282 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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