MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of links, many of which point to compromised WordPress sites hosting PDF files. This structure is indicative of a link farm designed to distribute malicious content or facilitate phishing. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
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.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f49320d621---womomulo.pdf In PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/501c5e05478b86079516b692b6635dc8/povazibinejakegeto.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/bca32044651560b6f543fff219ab0925/nosewezivitasu.pdfIn PDF document text
- https://aedwea.com/upload/foto/10026552048.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/1933c23a30685c1cdc13da324660139f/davibagekinololot.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/nepanepawaxiwogowufeno.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c4606b3c629---10482613544.pdfIn PDF document text
- https://xn--bren-mgenwil-gcbf.ch/sites/default/files/fck-uploads/file/93993631775.pdfIn PDF document text
- http://beloit1962.com/clients/8/83/8368a4f838dea3176655029ae9e337da/File/92812676986.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160982a46a9f58---xerukifunikuz.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d373ca03739---zefade.pdfIn PDF document text
- http://casaatlantida.com/userfiles/file///6742572731.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160848cfb4d9c4---wifurepuvilizagaloniko.pdfIn PDF document text
- http://paykaaluminiya.ru/ckfinder/userfiles/files/5374434264.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/hgcjmnnc7d5bt9jpvtdfl3ghk6/1490941834.pdfIn PDF document text
- https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/eeaff4d15ef43cef0cadf21fc53b5f37/95476559542.pdfIn PDF document text
- http://aldara-latinoamerica.com/userfiles/file/dejenojajitosizadon.pdfIn PDF document text
- http://eshop-kocicinadeje.cz/files/file/rilezetexufevanelemofu.pdfIn PDF document text
- https://consurs.ro/ckfinder/userfiles/files/10753734775.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1608aed8381fa9---40247029650.pdfIn PDF document text
- http://barudan.hk/UploadFile/file/20210702050220909.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e354167212f---fofikexuxipifi.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b7b35280577---vevujawipuwataluselaxuko.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=jesus+and+discipleshipPDF 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_off0000f6f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6F0 | 17680 bytes |
SHA-256: 609f2f0e3775057c5fcea63986e4c42b5c5ecb903287c18a1c466d87d20678ae |
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font_01_sfnt_off00012511.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12511 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013d28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D28 | 10384 bytes |
SHA-256: aa9e4e2675b331b8fe14c4517f1487104e4618af9b6e8764f58bc3cb16d4da7b |
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