MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains a link farm with numerous URLs pointing to compromised websites, specifically leveraging vulnerable WordPress plugins like 'formcraft' and 'super-forms' for file uploads. These links are likely designed to redirect users to malicious or phishing content, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160bc670969572---vufamilutojodidiwudavobur.pdf In PDF document text
- http://dolphinkorea.com/files/files/23588838434.pdfIn PDF document text
- https://vanphongphampmc.com/upload/files/fagasurat.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160893ab8d518e---7263927662.pdfIn PDF document text
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/8f4cfbfcbeb848a7d727d85448daf351/tasivodi.pdfIn PDF document text
- http://poltinik.ru/userfiles/file/1732867745.pdfIn PDF document text
- http://jp-cable.com/d/files/leruxeb.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/850e0e5cfc300541bd919cef561465df/63958959602.pdfIn PDF document text
- http://northcity.rs/slike/files/serabigod.pdfIn PDF document text
- http://beytarimcilik.com/admin/editor_resim/file/34397074430.pdfIn PDF document text
- http://archi1919.com/smlclub-files/file/98896334348.pdfIn PDF document text
- http://taxiluzern.ch/khurasan/userfiles/files/lefolinajolewafakoto.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16094730e3c496---folokisinovubuteramajero.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/gjkfu55q4dta5gj4udc00qubk0/24983840215.pdfIn PDF document text
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f038c5e5ed8---goluwuzunitogosipamawir.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609bb4f8ed8d3---kowijovizabomawuzaretupez.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4c9b1eeb0---15865077200.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1d09fdae25c597f25a52ac5d2e67802a/9461323652.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/6008f59016419a72b8fd41319e0f71c7/22941399368.pdfIn PDF document text
- http://arcdesantmarti.com/biocop/Images/images-editor/file/57362443945.pdfIn PDF document text
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/werodu.pdfIn PDF document text
- https://miruyuta96.ru/admin/ckfinder/userfiles/files/17277757526.pdfIn PDF document text
- http://sancheonglittletheaters.com/upload/userfiles/2021/07/files/210716094235.pdfIn PDF document text
- http://aweibel.com/Photo/file/jemazenedebipuda.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=final+four+march+madness+2021PDF 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_off0000fdcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDCC | 11016 bytes |
SHA-256: ad1cf64ad89c7273f49b6e2300bde93fde4a05e13301a26c9e58eba2a9b3e0f5 |
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font_01_sfnt_off00011736.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11736 | 16780 bytes |
SHA-256: 7745e184d982d3c015eb79e49c5a7a46e236f5c82589b84df1efb2f6cdec9470 |
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font_02_sfnt_off00014307.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14307 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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