MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains a link farm pointing to numerous compromised WordPress upload directories and disposable hosting sites, suggesting an attempt to distribute further malicious content. The presence of external URIs and a link farm structure points towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://louvre.lv/res/wysiwyg/file/fejuf.pdf In PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae5bff1363f---72701786246.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/q598tk037i5kjkqg5mk746lu6o/lafizosupedewe.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/a3ddf1dcebc5dd67445a08bbfcbc5db2/72659428446.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/42c400e16c1edb0ef88b2253e28b909e/49042774736.pdfIn PDF document text
- http://kleiberit.ru/files/file/58416397773.pdfIn PDF document text
- http://grandwatergatehotel.com/upfile_hotel/files/nawebezipof.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/7b6d8633e2b341ce2553f5bc30ad96ec/mewiwubagoto.pdfIn PDF document text
- http://pescepiana.eu/userfiles/files/93820889691.pdfIn PDF document text
- http://mygotour.com/FileData/ckfinder/files/20210617_CFEA564DB93B30D6.pdfIn PDF document text
- https://acgroupenterprise.com/userfiles/file/23688763113.pdfIn PDF document text
- https://alkalacarservice.com/public_html/userfiles/file/45196701728.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a4435c05403---pidiwirexatebawilab.pdfIn PDF document text
- http://yonseri.org/userfiles/files/basosurononatuzipox.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085685c61969---34571405003.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160e4a2b43c30f---36010856831.pdfIn PDF document text
- https://sieuthigo.vn/upload/ck/files/51118432193.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/19c68249a0b4bcfe7f7f9d590699f5f8/71584069249.pdfIn PDF document text
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a91967dd674---83798719002.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160e0f701bcd28---xagijulagabejizusose.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/25c6415bbec1413afdbf4b6c64e201a8/nutefijojufaxo.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf9be95db1---38923421527.pdfIn PDF document text
- https://cottingham-group.com/cufiles/files/pezelurunileteteka.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=age+of+empires+4+free+download+for+androidPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00015d1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D1C | 16208 bytes |
SHA-256: 4602efdc27effd6d0b9796dd62a14020f6514d216ceac1da6ee579af8a0da4e5 |
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font_01_sfnt_off000172e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x172E2 | 10888 bytes |
SHA-256: dc997a9dbdc54226ae7ea16822369b53a927714161f54abec5b18595311a1b2a |
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font_02_sfnt_off00018bec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18BEC | 18040 bytes |
SHA-256: 78e41d22cfe1b108de695a833aeb13a5a4665407c1c32a43a3aca7859f4a703d |
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font_03_sfnt_off0001bb70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BB70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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