MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious content. Heuristics indicate the PDF acts as a link farm, directing users to compromised WordPress sites and potentially disposable hosting. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/q88ii943d8lijj3dtfmika0lh3/doximoguzorotep.pdf In PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bc60fd64797---teragokutipulowunozuwes.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/1d11d89a0286f2f2180d199ecb09c177/zitegefavupadukiwuvewero.pdfIn PDF document text
- https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/37c4f6be129f0ae685817506ca7ffde7/funumunirikenaweduga.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc029cec2a---12047947091.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b64dc61e675---26482753104.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16077c73fe718b---901612635.pdfIn PDF document text
- https://channeloflove.com/ckfinder/userfiles/files/fatogaxekiremenagazix.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/2c2b2eed4e5bdf958d98c9d1fcc63d73/29472317394.pdfIn PDF document text
- http://firanywiktoria.pl/uploads/editor/file/toguximaretugesexuxiwaxu.pdfIn PDF document text
- http://xn--eyt274i.com/upload/files/zamopupijomevijetuvikebu.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608a323d24da8---tabeg.pdfIn PDF document text
- http://dgjst.com/upfile/file/jowuxoduvoso.pdfIn PDF document text
- http://webdulich.com/js/ckfinder/userfiles/files/97908513860.pdfIn PDF document text
- http://ck-kutnahora.cz/gais/image/file/xuwapodi.pdfIn PDF document text
- https://beautyyaurient.com/editor_upload/file/gosifunab.pdfIn PDF document text
- http://maxtarget.by/ckfinder/userfiles/files/xatejamabarugu.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607705591cf74---93374412296.pdfIn PDF document text
- http://stlnsk.ru/uploads/file/xepinaroluv.pdfIn PDF document text
- https://empezo.xyz/js/ckfinder/userfiles/files/51704966264.pdfIn PDF document text
- https://eastmanllc.com/ckfinder/userfiles/files/kamewaxa.pdfIn PDF document text
- http://sungsam.net/userData/board/file/75988719048.pdfIn PDF document text
- http://www.sec-ollivier-associes.fr/www/upload/file/jakixigeno.pdfIn PDF document text
- http://nissanotogovap.com/uploads/images/files/86701908462.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/78994b0efc76844ed11762bf53c9343d/wovapobowe.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=can+a+no+call+no+show+get+you+firedPDF 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_off0000f4f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4F3 | 11088 bytes |
SHA-256: 317aab29904f0ba52416bf1bbbe33bf857a82805ed0c1f7256ed4436d235db01 |
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font_01_sfnt_off00010ea8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EA8 | 17448 bytes |
SHA-256: 3e7c2ec1f4f674b5a05b1d05ebbaf36f80aadb4daba06069063702e0c34cb050 |
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font_02_sfnt_off00013c3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C3B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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