MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The file functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites, suggesting an attempt to distribute phishing content or further malware. The presence of compromised CMS upload links indicates a deliberate effort to host malicious content on seemingly legitimate but compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/cgg5gii5df8qlinkboroemrg88/zokanipokijatudokalupod.pdf In PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/alrrplgca0q8t1rth4t9lks695/wutatulitekeri.pdfIn PDF document text
- http://gistfamilyreunion.com/clients/8/8c/8cbf0a40baaab9dd4734ff2cdbb1e120/File/72507336690.pdfIn PDF document text
- https://ivanda-commerce.hr/userfiles/file/89695139202.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/89621b09fc60ecf879342dadfb415dcb/timam.pdfIn PDF document text
- http://lakes77.com/clients/47041/File/bezufujikibojawen.pdfIn PDF document text
- https://jodhpurtravels.com/nbloom/fckuploads/file/bajonisosorofu.pdfIn PDF document text
- http://impressivetravelvietnam.com/upload/files/rasudanatosizarisogu.pdfIn PDF document text
- http://longarmquiltacademy.net/fckeditor/userfiles/file/29906517787.pdfIn PDF document text
- http://jkbprivateiti.com/userfiles/file/12081482639.pdfIn PDF document text
- http://amesonsofallen.org/clients/53156/File/10228305227.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160d7f67d1d5d8---62897125153.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160849975b997e---fugemodilurubabitaga.pdfIn PDF document text
- http://haiphongcontest.com/images/files/sajonirutoxabegaxo.pdfIn PDF document text
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/6bb4a79b6596b57ac608ef5150d58600/guwobasoxoje.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077e2c811738---27864215312.pdfIn PDF document text
- https://pinkrali.com/calisma2/files/uploads/61185665082.pdfIn PDF document text
- https://lacecinella.com/writable/public/userfiles/file/91720220450.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607824e691697---madulixesus.pdfIn PDF document text
- http://fotografiafrancescosomma.com/userfiles/files/87452603312.pdfIn PDF document text
- http://1night2daytour.com/ckupload/files/70377776760.pdfIn PDF document text
- http://xn--12cmi2byac9cdhd0hra6d7bxkwbgj1gch.com/user_img/files/75491484120.pdfIn PDF document text
- http://aep-tc.com/cache/fck_files/file/girodifura.pdfIn PDF document text
- https://aradovan.com/userfiles/file/fuxiji.pdfIn PDF document text
- https://soudurelauziere.com/upload/editor/file/sifodakekuzo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+play+your+music+on+tiles+hopPDF 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_off0000f08c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF08C | 10928 bytes |
SHA-256: f3333864c93e3ce22388c9239d28f1c34461bcc17f2cd89036a6d27c20811785 |
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font_01_sfnt_off000109bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109BD | 17160 bytes |
SHA-256: e62ad88afaaccfc60c736aab2472ee2d691b86b3bf8549a0dea54a770367daba |
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font_02_sfnt_off00013659.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13659 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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