MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites and disposable domains. The ML classifier strongly indicated maliciousness, and the structure suggests a link farm designed to redirect users to potentially harmful content. No scripts were extracted, but the URL distribution pattern is highly suspicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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://yar-net.ru/userfiles/file/jenexolivibipavukali.pdf In PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/e88aa7d69648091693a3c560ab781759/83333993390.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16097430a49731---befal.pdfIn PDF document text
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/995083a46683cd5c5fb65bbebef36b02/nukogisupawe.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a2a362a6763---fugaruvezujiwisemenexux.pdfIn PDF document text
- http://antansconstructions.com/ckfinder/userfiles/files/14415163348.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/82a02ee150027f0eaed5e9988b53166b/28450870467.pdfIn PDF document text
- http://domainecomps.com/documents/files/15299910685.pdfIn PDF document text
- http://goref.ru/files/file/rufepinapazexafugu.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076a156c7d5c---29644132351.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae90593a2d5---xufazalimisoluzegep.pdfIn PDF document text
- https://roeveragri.ac.in/wp-content/plugins/super-forms/uploads/php/files/7f2e2dbd22b048fe39e7b0d345487567/21980090114.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/e27424ce41e58aefeebc8fc4ae3acc8d/73376973395.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/cb10f7a8ff7423b132cb3e55a89ea4a3/39412571789.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc5a0bd5c2---korisemedum.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fdf10be086---rujaz.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc31fc90ab---87854027506.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/ugufktapfopvo2lsqa1duq3ai4/xunik.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/40ab0ef580280d6e06b5aa24a9610f84/26893729696.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160b6c7ec53766---jududetopanoxenod.pdfIn PDF document text
- http://raegcafe.com/uploads/files/25153807785.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=improvident+plea+of+guiltyPDF 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_off00010c95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C95 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000124a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124A7 | 16752 bytes |
SHA-256: 29ddd8451ee0cad2b5346aba661ea4de14d364d153e45763d2c4be32e12b253f |
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font_02_sfnt_off00015075.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15075 | 10904 bytes |
SHA-256: 09137c3a008749f7ec29ab6d90b96a846ec4d5289df4d1964c4eedfea807ea42 |
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