MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links pointing to compromised WordPress sites and other disposable hosting, which in turn host more PDFs. This structure suggests a link farm designed to distribute malicious content, likely for phishing or malware delivery. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3e437d60d---80939650752.pdf In PDF document text
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/feea776d6f6b1d663384a7368decf332/79345083160.pdfIn PDF document text
- http://mwflower.com/upimagesfile///51702305797.pdfIn PDF document text
- http://cnkls.com/userfiles/file/1626942974.pdfIn PDF document text
- http://9jamail.com/FCKeditor/editor/filemanager/connectors/userfiles/file/56866777413.pdfIn PDF document text
- http://omak1968.com/clients/71178/File/65777921315.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/16083e4f0ddb63---84071851430.pdfIn PDF document text
- http://szkolka-wiercioch.pl/files/file/66608308223.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/cetjqsofue9rov7p2no531o977/solawexitivi.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/43d04aa915b22dc8d7edd2afe1dba7d2/gobofav.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f831160c242---weniwajobotimaleluxuxefe.pdfIn PDF document text
- http://fszhenjia.com/upfolder/e/files/20210607164658.pdfIn PDF document text
- http://lowdertraviscoats.com/clients/7/74/74ec8bd2877f4db8d0b9f56bae0111c3/File/66309445065.pdfIn PDF document text
- http://ip-golubev.ru/ckfinder/userfiles/files/sawirozino.pdfIn PDF document text
- https://khogiaydantuonghanquoc.com/images/news/file/zawotapata.pdfIn PDF document text
- https://avigailpekelman.com/sites/default/files/file/fofiraxen.pdfIn PDF document text
- https://advantagelic.com/singhania/downloads/file/55799000645.pdfIn PDF document text
- http://hotechike.com/files/files/90245230834.pdfIn PDF document text
- http://omatsuri.kr/data/userfiles/files/tupeposizutofowik.pdfIn PDF document text
- http://dgjst.com/upfile/file/dotareledes.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ada32069c---vebavazatenakutu.pdfIn PDF document text
- http://pathtojanna.com/userfiles/files/91080429189.pdfIn PDF document text
- http://faisaltowel.com/survey/userfiles/files/82394299755.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/36b14c6b78d119e7b223d39f18f5995d/6167929925.pdfIn PDF document text
- http://laiyi-art.com/userfiles/file/nesedazevuxutufazogu.pdfIn PDF document text
- https://eberli-medical-supply.ch/upload/file/76606566873.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=detex+panic+bar+manualPDF 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_off0000dd9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD9C | 18496 bytes |
SHA-256: 54774013ca87e5be9d9660b5f0deeaabde15e19c27b6ff8a5a4befabe94bb654 |
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font_01_sfnt_off00010e3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E3C | 10592 bytes |
SHA-256: 728e6f45a55792c6676b920ab9d83b97dc8ffdd6d2c07d62d358009db888ceb6 |
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font_02_sfnt_off0001263a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1263A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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