MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, a common technique for executing malicious code within PDFs. It also features numerous external URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
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://inwebjor.ru/uplcv?utm_term=2011+kia+sorento+manual+start PDF link annotation
- http://euroambulans.pl/userfiles/file/notanameliju.pdfIn PDF document text
- http://fapannimario.it/userfiles/files/74634254821.pdfIn PDF document text
- http://dspec-car.com/js/upload/files/tedizizegojagakesa.pdfIn PDF document text
- http://daearesort.com/FileData/ckfinder/files/20210630_302B5153B0C2014D.pdfIn PDF document text
- https://etimes.mn/uploads/files/nifapirev.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6b73acaf7---kumerazoriw.pdfIn PDF document text
- http://sillajen.com/fckeditor/_upload/file/begiwepesem.pdfIn PDF document text
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/p731qd2tlqtg9j9plg6ifciifs/wazopawid.pdfIn PDF document text
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/70a5457ib7mhqmn876rr41u6cu/mazesulimagejebemedanenip.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/fa6q2fk58ro1p0u47vt3pd1bp6/ludixuni.pdfIn PDF document text
- http://zartmobilia.com/userfiles/file/20210704170950.pdfIn PDF document text
- https://morganmethod.com/ci/userfiles/files/widepefugokajulage.pdfIn PDF document text
- https://gamepinleri.com/calisma2/files/uploads/xikifagivoxunibaxowuve.pdfIn PDF document text
- http://cascinamana.it/userfiles/file/71590769744.pdfIn PDF document text
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/05dd99a1eb13c01d93af852d10ba0216/xagukipowanunoda.pdfIn PDF document text
- http://plncse.hu/php_data/file/91049928556.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b19da47480c---gedekigakutip.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0f7c9d4854---zezujiri.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/lejubudegisurinejumuw.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7eea561e54---62458191549.pdfIn PDF document text
- http://pitchdecor-construction.com/user_img/files/sokipatajaxabojosema.pdfIn PDF document text
- https://silky.ae/images/bulk_images/files/dekudixevifaburugotuzaban.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/523b902aa9a74b2544b833ee67892b01/27117954631.pdfIn PDF document text
- http://chickenwild.com/upload/contents/images/images/tunategalexemetatoki.pdfIn PDF document text
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607284923a679---43219513072.pdfIn PDF document text
- http://earthtalismanjewelry.com/clients/b/b2/b27d4d76c51cd35ccef873a204118430/File/20691408328.pdfIn PDF document text
- http://roxburyhs1987.com/clients/63080/File/mogilesa.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_off0000be02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE02 | 10656 bytes |
SHA-256: 9eb3003669520ba0e722b7dc025b332b99c966006514d7ce0314618c7c30e4e8 |
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font_01_sfnt_off0000d67f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD67F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ee91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE91 | 16312 bytes |
SHA-256: f4c092edbe651738db789b9b9bc62e2b919d27ebf4e43916261aac71e55fbcfa |
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