MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to numerous external URLs hosted on compromised WordPress sites and disposable domains, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links are consistent with techniques used to redirect users to malicious content.
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://philabc.ru/uplcv?utm_term=konica+bizhub+c368+manual PDF link annotation
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b061416976---xogivo.pdfIn PDF document text
- http://tzoetemondje.be/uploads/files/51677317095.pdfIn PDF document text
- https://tonymusic.se/UserFiles/files/38831299947.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097a5b2c4114---togoletov.pdfIn PDF document text
- https://protectname.xyz/whoisprivacy/userfiles/files/57826496044.pdfIn PDF document text
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/857f5182131e5df558f35098513487f3/wuliwarijijisozixasan.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/pb9eodqh9o4310d5mi0jiflkml/tijesisukalufonowifuzi.pdfIn PDF document text
- http://permianhighschool1970.com/clients/e/ef/efee9fcbc667252fc4b649c8163d3733/File/kagubugis.pdfIn PDF document text
- http://namhungholdings.com/uploads/ckfinder/files/depube.pdfIn PDF document text
- http://sacmacbook.net/userfiles/file/58468379001.pdfIn PDF document text
- http://tainanrup.longi.tw/uploadfiles/files/20210831_133214_4030.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/5550cf8fa24e4508a047f8af8650ab19/44893706689.pdfIn PDF document text
- https://chingchia.com/uploads/files/202109080406527046.pdfIn PDF document text
- http://keiganproductions.com/clients/863431/File/58111286659.pdfIn PDF document text
- http://ducnhua.com/upload/files/6007139442.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079477cb798d---77096282410.pdfIn PDF document text
- http://edallyshop.com/upload/files/tepapivaga.pdfIn PDF document text
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/26027474458.pdfIn PDF document text
- http://cityhelps.org/clients/6/61/61afa7a028a8e04f14432b0fece6f2b0/File/1262655304.pdfIn PDF document text
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/5233ae056b57e92f8ffb0fe2cf824b03/noforimajito.pdfIn PDF document text
- http://transbur.ru/admin/ckfinder/userfiles/files/xezisojipe.pdfIn PDF document text
- https://digitaldaya.com/imagenes/file/1399624745.pdfIn PDF document text
- http://3suntech.com/UploadFile/file/20210822101141247.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744b73897d4---sadukagivotevev.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/g9htdvehh8kaqgbm5g9g4i9jt7/xasinazet.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_off0000d514.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD514 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED26 | 16476 bytes |
SHA-256: a26ae9cbe23b4cec9213885ffa72edd61e3307e9f4b4f6294c7dc5b747325ed3 |
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font_02_sfnt_off000117b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117B9 | 10836 bytes |
SHA-256: e0cc6356d9b8bdadfb3064a5adc73d33b1f6178284ec6cc7e14abd6cc1757ffc |
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