MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous embedded URLs pointing to a variety of domains, many of which appear to be compromised or disposable hosting. The heuristic firings indicate this PDF is a link farm, likely intended to lure users to malicious websites for phishing or malware downloads. ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://nomylo.ru/uplcv?utm_term=depth+interview+advantages+and+disadvantages PDF link annotation
- http://hatdesechia.com/storage/ckfinder/files/84824946732.pdfIn PDF document text
- https://www.utn.ac.cr/sites/default/files/files/jorokisut.pdfIn PDF document text
- https://0286869143.com/editor_images/files/60256657659.pdfIn PDF document text
- http://www.greenfield-sustainability.com/images/files/35026404224.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/85a2cda67da1e8825eb956ad9e2d2d1a/90859466124.pdfIn PDF document text
- http://phone-server.com/userfiles/file/95649719837.pdfIn PDF document text
- https://nusantarabet4d1.com/contents/files/bakatun.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/o45iuscqututi2phc5qoik9hnt/90206951793.pdfIn PDF document text
- http://chickendaylacrescenta.com/uploads/files/jefizefer.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16146573eef94e---41898203646.pdfIn PDF document text
- https://directorvincentchow.com/fck_filemanager_upload/file/91770086646.pdfIn PDF document text
- http://wangyiphk.com/userfiles/71087243911.pdfIn PDF document text
- https://mwasafat.com/uploads/files/26478207563.pdfIn PDF document text
- http://ulrike-mayer.de/userfiles/files/97649590817.pdfIn PDF document text
- http://gurolmumcu.com/userfiles/file/15254672507.pdfIn PDF document text
- https://rafaela-motores.com/userfiles/file/44205069638.pdfIn PDF document text
- http://cbcom.fr/ressource/site-image/files/39165639428.pdfIn PDF document text
- http://photo-ostrov.com/ckfinder/userfiles/files/56747470969.pdfIn PDF document text
- https://tatvan.in/userfiles/file/minoxotuxax.pdfIn PDF document text
- http://ecosdaliberdade.com/ckfinder/userfiles/files/33897696512.pdfIn PDF document text
- http://zhymwz.com/upfile/file/duxesodifomaledowenefon.pdfIn PDF document text
- https://riosemarescentrodemergulho.com/ckfinder/files/47551311847.pdfIn PDF document text
- http://huemin.com/fckeditor/userfiles/file/xomisitanedev.pdfIn PDF document text
- https://skatrip.com/basefile/skatripcom/files/kikasev.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_off0000b23e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB23E | 10660 bytes |
SHA-256: 28f7d11acb7d7b447f93d052f1118c37be626c0ccf9bea091ccb4378b498318e |
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font_01_sfnt_off0000ca74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA74 | 16532 bytes |
SHA-256: 1fbaa417f03367cd74a7ec4889f37c2d033edf2cee9758d7474cbde43deeb010 |
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font_02_sfnt_off0000f421.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF421 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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