MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to potentially compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded links are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9930
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://surtek.biz/image/files/20150107_033110.pdf In PDF document text
- http://local-minicab.com/survey/userfiles/files/kajuvosotiretasi.pdfIn PDF document text
- http://preserveproperties.com/userfiles/files/lufowagowera.pdfIn PDF document text
- http://walosports.cl/userfiles/file/91715451047.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/2890abf4c1a61d7cf2b15f72a76e743b/76751366284.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/lidaxejiziminevabu.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160731fc0460cf---relofaf.pdfIn PDF document text
- http://obasekiestates.com/UserFiles/file/dizutixomuvemidim.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/427ded166bc5fa3815045b7e0ab3ab20/juvosewo.pdfIn PDF document text
- http://wildpflanzen-planung.de/file/rukejuvavavufox.pdfIn PDF document text
- http://etasystem.net/userfiles/files/93228316123.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/7fb41064f44e3e468c0f398ccfdeea05/95455180707.pdfIn PDF document text
- http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/negojoke.pdfIn PDF document text
- http://chieucoingason.vn/files/kawobagotogoposegososuw.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717d24e63af---ladosib.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/161193d772ec26---lajedetupam.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8a12d55a7---8777903125.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c760392efb---wumeganofutonifizenijor.pdfIn PDF document text
- https://samowar.ch/upload/file/zidoxulozevigodo.pdfIn PDF document text
- http://thietbibepnhahang.net/media/files/55869361791.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/5th6d39fle6ibjn9arhjrq7g5n/88058124499.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/1606fdec8e59e0---69115224111.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/e75b43413b0e5293787d9cada161214f/pasekuminawulin.pdfIn PDF document text
- https://12waktu.com/contents/files/tiwoxemama.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/e335469773c100055d6b3245a6a00a80/gekabafabogiwi.pdfIn PDF document text
- http://gediklimakinahidrolik.com/resimler/files/373342868.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=2000+in+roman+numberPDF 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_off000165ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x165EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00017e01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17E01 | 10340 bytes |
SHA-256: 5650959dfdb065631690e9b86e9e60229e391b499a23bc2d23a95bb382ff8293 |
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font_02_sfnt_off0001953a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1953A | 17460 bytes |
SHA-256: be6c935dd35d04cf69b08cd532d408dd585a7bfffd5b820ca8084ee111a3b806 |
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