MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or conduct phishing. The document body is heavily obfuscated, preventing analysis of specific user-facing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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 https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160c98929db8fb---lekuzowivifefopajebu.pdf In PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/22cef8356e3b9a72804ecd6821d5837b/rizop.pdfIn PDF document text
- http://secretinvitation.net/images/files/pojejigifep.pdfIn PDF document text
- https://karinbentum.nl/uploads/file/53638711282.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac908bcb4fc---64483745924.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608894f7bad65---tikatakeni.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083923f40795---lepipafemosilu.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/0iibamcpluni17hkju6hcsdsts/fopetumeji.pdfIn PDF document text
- https://pharmnet.cz/ckfiles/files/files/30634398632.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/acn2964qpvme4tbvbe78pjns6o/pabebonofinekivaseb.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/a20k53otgig4686bmrd31fdsds/90245314507.pdfIn PDF document text
- https://batikatravels.com/userfiles/file/48104787505.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/96ece9d25407c15dec76ecd913a8747a/927417122.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607473a8700dc---jedinil.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9ec130eb260d6c97b7465807ca830c0b/zibemenodagurofufotib.pdfIn PDF document text
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/e5386ec275d60fdaf4b15d99501b633f/sebojiba.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/4724c7198ff9a489698034a15b133564/28267231640.pdfIn PDF document text
- http://15889163.com/ckupload/files/ruxugibisilekitab.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae2fa246d5---vuxiwasaloxojulijelano.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=does+oats+good+for+weight+lossPDF 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_off0000d9ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9EA | 15956 bytes |
SHA-256: 3423eaa0e7bbacc7c48ac854e4415e2653d698608b66b9c165474dcc23d5ef31 |
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font_01_sfnt_off000102fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102FD | 10616 bytes |
SHA-256: 8a94b4ed856d54335be7da5a0359c9db056db4a9086039bd1f53b97be11a6ab3 |
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font_02_sfnt_off00011b40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B40 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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