MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb8d18f999---94075743518.pdf In PDF document text
- http://polymer-optix.de/userfiles/file/2726822564.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609171e983efe---kevojukiwurosi.pdfIn PDF document text
- https://akemi.ro/hirek/file/fafufamukiriw.pdfIn PDF document text
- http://yuanhebiotech.com/upload/files/40621492978.pdfIn PDF document text
- http://www.biosafety.biz/ckfinder/userfiles/files/51424288671.pdfIn PDF document text
- http://ukicda.com/admin/fckeditor_upfiles/file/2021070713220280554.pdfIn PDF document text
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161256cc310d60---vobolejojem.pdfIn PDF document text
- https://gencshow.com/upload/ckfinder/files/kemivawewipubebopuki.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/6goo8o6clp9idim8568s53n1r4/59630882480.pdfIn PDF document text
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078b997162e4---3485948017.pdfIn PDF document text
- https://kcss.hu/korosi/userfiles/file/waligozawajikunanufurebof.pdfIn PDF document text
- http://qlinairnv.be/userfiles/file/64717134865.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c604724431---zawanoboduzi.pdfIn PDF document text
- https://taevlingar.se/images/pages/file/rosekupipadenur.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161054a73aebc5---75376489086.pdfIn PDF document text
- http://steffis-strassladen.de/userfiles/file/fowikexopulifutejumulewur.pdfIn PDF document text
- https://sssmri.com/ckfinder/userfiles/files/8098201041.pdfIn PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609899569df0c---rolenezu.pdfIn PDF document text
- http://seamcc.com/UserFiles/files/vomagoratupesegakudo.pdfIn PDF document text
- http://www.benyowsky.com/resources/files/67291569015.pdfIn PDF document text
- https://maryamghiasi.com/images/upload/files/65102463995.pdfIn PDF document text
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/78ea87f1fe2737360994c30d61f34e2a/felegirixozezotomebetotat.pdfIn PDF document text
- http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/32832895963.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=silverman+traumatologia+pdf+descargarPDF 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_off0000efcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFCF | 20860 bytes |
SHA-256: 11f37c9e59cb26aa22bbcc958dc6f46ac78a5edc0d7fbc8163eace771f12bc5b |
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font_01_sfnt_off0001259b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1259B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013db2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DB2 | 11204 bytes |
SHA-256: 2dba2051f6e0ae20b19b40a53853fefde8d4e35e6ec111b5d1f558f520ebcdfe |
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