MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613875ed62052---maregefun.pdf In PDF document text
- http://pscworld.eu/ckfinder/userfiles/files/zutekutudobupajitefal.pdfIn PDF document text
- https://shopexpert.com/app/webroot/files/userfiles/files/ferijejoruburuvepejofiz.pdfIn PDF document text
- http://www.nomorcantikjoss.com/file/4439585718.pdfIn PDF document text
- http://www.museopizarra.com/ckfinder/userfiles/files/58122682920.pdfIn PDF document text
- https://duragloss.pl/userfiles/file/42959715763.pdfIn PDF document text
- https://unitedpetexpress.unitedreloth.com/ckfinder/userfiles/files/samowul.pdfIn PDF document text
- http://abwingstop.com/uploads/files/68661173155.pdfIn PDF document text
- http://halaljones.com/uploads/files/18678888757.pdfIn PDF document text
- http://chieucoingason.vn/files/33340660323.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/av8ls9hckqopue8222b5s9kak9/67865656223.pdfIn PDF document text
- https://indiansabroad.uk/userfiles/file/77748072460.pdfIn PDF document text
- http://hakasasi.id/userfiles/file/30495323525.pdfIn PDF document text
- http://tweddlefoto.com/files_contenidos/upload/files/51555034636.pdfIn PDF document text
- https://dananeye.com/uploads/files/202109150444491747.pdfIn PDF document text
- http://markfarolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/61629251035.pdfIn PDF document text
- http://flynewsletter.com/uploads/file/58276296059.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9938b0c5e---27070145293.pdfIn PDF document text
- http://tivatijapan.com/uploads/userfiles/file/50372492049.pdfIn PDF document text
- https://kabelkyaobuv.sk/editor_uploads/files/14769846425.pdfIn PDF document text
- https://nestsearch.in/admin/uploads/file/sosakomuzonoxunepag.pdfIn PDF document text
- http://gojjang.com/uploads/files/8672968344.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=minecraft+apk+x86PDF 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_off0000da49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA49 | 19140 bytes |
SHA-256: c05f998cfa74600548f80933aebdd94e76cd44e9f556074a1aff55cb34fa51b0 |
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font_01_sfnt_off00010c83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C83 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001249a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1249A | 10704 bytes |
SHA-256: 5075d1b86d2b06a4ebeda8fd9d072ddc7b5db460d825e77b276f93e83da8fa0b |
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