MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links pointing to various websites, many of which are hosted on compromised WordPress installations or disposable domains. This behavior is characteristic of a link farm used to distribute phishing lures or malware. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://garglob.ru/uplcv?utm_term=diploma+in+clinical+medicine PDF link annotation
- http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/kovebodilojobureba.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/06b77cf65a1cfb62ef88179275852d48/96675521862.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1dfe25536---movolasavevajofora.pdfIn PDF document text
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/o48cig60id55iudod7g2enacrh/33522790211.pdfIn PDF document text
- http://ahchala.com/img/file/94794294604.pdfIn PDF document text
- http://improntediteatro.it/userfiles/files/87067157620.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160a74a9754027---bilegimozoxenuzefudep.pdfIn PDF document text
- http://werkkledingverkoop.nl/images/docman/files/71550957876.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/45efbefe6388a632717731ad69f1b7fe/34863485056.pdfIn PDF document text
- https://bangprice.com/bangprice.com/beta/cms_image/file/mubebalujor.pdfIn PDF document text
- http://celcg.pl/uploaded/file/xisepilidigopamexavo.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609cdbc52a41f---44245772826.pdfIn PDF document text
- http://uforoi.com/app/webroot/uploads/files/21269915650.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-7-17/20210717191353445730.pdfIn PDF document text
- http://prosquash.by/data/fikuladerotitixusabizej.pdfIn PDF document text
- http://palletgoanloi.com/img-dn/files/2323692000.pdfIn PDF document text
- http://schokoladenfontaene.de/idata/mojazigijerovafuwapowe.pdfIn PDF document text
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/83hjqmoo6o98774c2mmt4r9evh/40416003145.pdfIn PDF document text
- http://ranagro.com/files/koxulugiv.pdfIn PDF document text
- http://cukierniabrzezinski.pl/www/artizam/fck/file/rokix.pdfIn PDF document text
- https://iskoruma.com/upload/ckfinder/files/xafojiremifes.pdfIn PDF document text
- http://villa-carlshorst.de/sites/default/files/file/98266384396.pdfIn PDF document text
- https://skvely-kup.cz/files/file/26145816016.pdfIn PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/74atvdbpft5ujt51aimqs7uss1/708734189.pdfIn PDF document text
- http://stellar-toys.com/ckfinder/userfiles/files/7637645477.pdfIn PDF document text
- 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_off0000c6a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000debe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEBE | 10308 bytes |
SHA-256: 967ebe944b831e88f8933e64c52511ab6420b0e9e540f1cd80815fc36bf921b2 |
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font_02_sfnt_off0000f5db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5DB | 15956 bytes |
SHA-256: 6205af1399677a9ebeb12a5e073fc3f78daddb6edde9fb4448b7001282932d26 |
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