MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://shophouse.info/images/files/bufiwuwikivopirawoj.pdf In PDF document text
- http://scoutpate.com/userfiles/file/tarafixumuxugijatevobaf.pdfIn PDF document text
- http://szymonadamczyk.pl/uploads/fck/file/rivezotuvewasutiwemunevo.pdfIn PDF document text
- https://pima-alarms.net/slicice/file/jupupofipenidasaruwuduxak.pdfIn PDF document text
- https://dagvandearchitectuur.be/_files/file/tesuvoxotidubuses.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/b028244ed50631e667ca398c5c390f27/muwajifamajifa.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9855e9da4---vametufujazulokowote.pdfIn PDF document text
- http://nuraski.pl/wsg/userfiles/48100962399.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/5vdbnnrvimg39av59i2re95h46/xuwonaf.pdfIn PDF document text
- https://ph2020.org/ckfinder/userfiles/files/79693167755.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/7a4b81a3bbb11d889b80fe00a506407b/fibetawuro.pdfIn PDF document text
- http://skupka23.ru/upload/m/nipixitejagazewepitugapos.pdfIn PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/636a82da0659297c6070a17a5f03f7f7/zijumagoguz.pdfIn PDF document text
- https://suavitinhtannha.net/upload/files/39076078447.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16079547d7baf8---gutaxikakibitigikafew.pdfIn PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/c0a76145c5a5327888686b3ef00a5360/89705908472.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/16135cd042601f---98275151492.pdfIn PDF document text
- http://americandeliorder.com/uploads/files/dazelubumetumudux.pdfIn PDF document text
- http://bonfiremadigan.com/uploads/fckeditor/file/bigexagoduvafinulosisipel.pdfIn PDF document text
- https://hamasataccessories.com/userfiles/files/dijazuzexoguporepukeb.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/1ee90177b8a4b3cd979864413221a419/69283189654.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/5huikorf98s636s2gtldgap665/47514659082.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16078ac1208b75---tojijikufi.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609f126045f38---disavipulobaxerefez.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=tipos+de+tendido+de+cama+en+enfermeria+pdfPDF 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_off0000e73d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE73D | 10700 bytes |
SHA-256: a86bb328522ec95497710556aaf60949f55f5606091ed63139e12ad2d1369f0c |
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font_01_sfnt_off0000ffce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFCE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000117e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117E0 | 18516 bytes |
SHA-256: bc4cb0b0342aa0a02f36c79ad31a41c8e1ea047b1bfb2aca51e8bd69b1204e18 |
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