MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document identified as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, likely serving as a lure for phishing. The document body is unreadable, but the heuristics indicate a phishing attempt leveraging compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/f21af87a1f07475449c2a49744b9fdaa/50105184666.pdf In PDF document text
- http://grandinhr.eu/images/user/file/57945034236.pdfIn PDF document text
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d423c37913---73024459820.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/b381a8c78eb2d16578573485206a49d0/bekakoxikibunodi.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/16071ca761af13---wojuxugakiragix.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/2883fa8f9f26d8863ee3d525353b2109/lemodebasuwapujefo.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/upulm09c86aj428nab8m915k4l/losofi.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/b08404a2ef15134b3f6237d4ac1960e6/wuxerejugelipirovujat.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160a9231248182---5977482490.pdfIn PDF document text
- https://skyzoan.com/cake/beta/userfiles/file/nazir.pdfIn PDF document text
- http://xn--or3bi2da319p.com/upload/fckeditor/file/jiberazukode.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/72853935829.pdfIn PDF document text
- http://nedirajtebosnu.net/userfiles/file/29237160167.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c4121f6312b---35247259685.pdfIn PDF document text
- https://tecnibat.net/uploads/archivos/5111767233.pdfIn PDF document text
- https://globaltranslation.com/demo/global_translation/beta/userfiles/files/67853110030.pdfIn PDF document text
- http://schodylux.pl/userfiles/file/65309640073.pdfIn PDF document text
- http://alphabodysupplements.com/newerac2c/userfiles/file/sikewakarozudizejugonizof.pdfIn PDF document text
- http://cohensevents.com/clients/74638/File/6738093669.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/90cec3815d112d566c786ced72732312/wazis.pdfIn PDF document text
- https://avonsteel.com/UserFiles/file/74344525345.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1ab954673---mexolaxugijazotekafureme.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=iphone+11+pro+stuck+on+guided+accessPDF 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_off0000dcfe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCFE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f515.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF515 | 10940 bytes |
SHA-256: e66e2c093d12bd84c8dc084df9f3de0ff0e385bb68ffb50fae9f9fafe292ebb1 |
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font_02_sfnt_off00010e41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E41 | 16688 bytes |
SHA-256: d4a7b711a76ebd0ecaec27b78935b1a5a12fb26597b09df1855cd6dfdd88dcf9 |
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