MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous URLs that point to various websites. Several of these URLs are hosted on compromised CMS platforms, indicating a potential distribution point for malicious content or phishing lures. The PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristic specifically highlights this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://dutchfansitenetwork.nl/ckfinder/userfiles/files/1042935732.pdf In PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086512e3d60c---55100787201.pdfIn PDF document text
- http://nfc.soo.jp/file/kinawifagapofonadivuwuzal.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc1a9be01a---sikekesu.pdfIn PDF document text
- https://tenfci.org/userfiles/file/327661750.pdfIn PDF document text
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/p1ku9eoljgn61421qvh8f29q2l/91337806257.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f12be33860---wewatedetibexafoke.pdfIn PDF document text
- http://brmxn.com/userfiles/file/20210524043306_t2lysk.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16087762409e01---dobefobiwexapuvifaga.pdfIn PDF document text
- http://ampletrekking.com/userfiles/file/87878278682.pdfIn PDF document text
- https://epiphanych.com/images/file/xazebagudifinob.pdfIn PDF document text
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/es0043eovvnlgivfpbia8v45ql/julisajapatijoronosipe.pdfIn PDF document text
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070c0f93f45b---zemopifelomejewatamepisej.pdfIn PDF document text
- http://aristosaigonhotel.vn/uploads/files/jasogazivozowav.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160940e64801f5---jubumalunuwasefefodijebi.pdfIn PDF document text
- http://meteosputnik.ru/userfiles/file/33732869984.pdfIn PDF document text
- http://efuturesthai.com/uploads/file/dorugolineripo.pdfIn PDF document text
- http://sahamit.net/userfiles/file/10491600048.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771953750b2---zipamomabiwemalujunotewa.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/a027f965e913fa238c1a160eabb9d750/guninematodofe.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077420206d8c---gifemekurutajakal.pdfIn PDF document text
- http://lideparts.com/userfiles/file/1620411493.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080bdd868c83---31975503925.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/b3499822cbfdd5398d7d319be8bc2578/lejimamugog.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=pdf+to+excel+for+freePDF 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_off0000f2c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C9 | 16952 bytes |
SHA-256: 7c4e63c1d3d8096da685f050d2f73d909e881e5a238e993e757484711456f0d1 |
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font_01_sfnt_off00011ef0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EF0 | 10048 bytes |
SHA-256: 2ad4598ac68f190ff9abb19add85665931b7f95356a8822f7926cc02a613b82a |
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font_02_sfnt_off0001356a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1356A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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