MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, which in turn host other PDFs. This structure suggests a link farm designed to redirect users to malicious content, likely for phishing or malware distribution. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/261acbdc7ead243ec517c8616aa45131/diruposopitoma.pdf In PDF document text
- https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/10475e1035f4dd36c5193a86785edca6/regokojunoxisixizeza.pdfIn PDF document text
- http://cjcounsel.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/39076918583.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16084eb6c10fe4---63661138579.pdfIn PDF document text
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca52e3c120---17011674254.pdfIn PDF document text
- http://www.aluvascientific.com/UserFiles/file/61332947335.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf5fe945f1---61734082179.pdfIn PDF document text
- http://king-pro.com/userfiles/files/498621739.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/79tudrqnqb7dh82o6a5tct5ff7/letuto.pdfIn PDF document text
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/dd298jiaamm8e8bh0cb2up2ivc/47082271703.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d82e37881f2---ziviriwi.pdfIn PDF document text
- http://hasici-pristroje-eshop.cz/files/file/93141910052.pdfIn PDF document text
- http://fecirturizm.com/resimler/files/53692098771.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/f95f1959f3f5f95f9f1a954b768cd751/72938647911.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/7fbcb5242666e4e13c4368898af86054/xifefowopo.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160827be9e60fe---70725652411.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/81ufn5eftffl4bogkkhjm7atla/gabedizajobiniwe.pdfIn PDF document text
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16070c96a48e1d---24623146840.pdfIn PDF document text
- https://nanosoft.mn/images/content/File/61792415913.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/89975bd8d44e273deb2e6d32b9d5d041/zukufowanatusep.pdfIn PDF document text
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7862c08c71---31449294947.pdfIn PDF document text
- http://hoaisonland.vn/upload/files/63289417889.pdfIn PDF document text
- http://musorcentrum.hu/files/article/file/pijixotuwawedesivos.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/c5121dc6b63773ae9a136608dfe1bad2/11627678582.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=cat+function+in+rPDF 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_off0000cb14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB14 | 10116 bytes |
SHA-256: e1a2399a17a9749da345df09ee0fc0cbc302bc40ec5daab7496f0167e5415068 |
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font_01_sfnt_off0000e1d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1D0 | 17252 bytes |
SHA-256: dc6594613c31a7c706cb382a1ae0f956d51a5f37d680d97af225a5ceb7111c30 |
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font_02_sfnt_off00010ea7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EA7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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