MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous disposable domains and compromised CMS upload storage, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document's structure and numerous external links are consistent with a spearphishing attachment designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://kligi.viart.lt/ckfinder/userfiles/files/14450308131.pdf In PDF document text
- https://lotusmarinevn.com/upload/files/raxotelobonuloxufodusuzo.pdfIn PDF document text
- http://paolacaone.eu/userfiles/files/rewarusogitiwudet.pdfIn PDF document text
- http://bellina.pl/userfiles/file/53574728928.pdfIn PDF document text
- http://lokalsport.no/userfiles/file/rafolovugavojinu.pdfIn PDF document text
- http://goteneplast.se/files/images/file/6857074907.pdfIn PDF document text
- https://karapinler.com/calisma2/files/uploads/jaxajusagefu.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c5aae9f95---91150121617.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a3611a8e8c---jojidasufi.pdfIn PDF document text
- http://k-sta.kr/FileData/ckfinder/files/20210917_CD69EC8B101494BD.pdfIn PDF document text
- http://maryalo.com/userData/board/file/kagidobidam.pdfIn PDF document text
- http://fuguchair.com/upfolder/e/files/20210913011402.pdfIn PDF document text
- https://deltarents.com/upload/ckfinder/files/wutupir.pdfIn PDF document text
- https://impeka.lt/components/com_mijoshop/opencart/image/data/files/8940478541.pdfIn PDF document text
- https://proetcontra.hu/userfiles/file/nemon.pdfIn PDF document text
- https://budgetparking.ca/admin/uploads/file/gatomevolopamu.pdfIn PDF document text
- https://fgcrubochi.com.ng/ckfinder/userfiles/files/1102634211.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161321cbed5d59---98781851897.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613180bbe8f75---kilegonisuru.pdfIn PDF document text
- http://aisne.proximeo.com/ckfinder/userfiles/files/tudotusuxawaruduvoloxaru.pdfIn PDF document text
- http://meditopthailand.com/file/73364520852.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/4dab80c9bf0dc477541379058b0a33da/7258176084.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+upload+pictures+from+android+to+laptopPDF 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_off0000d700.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD700 | 10956 bytes |
SHA-256: 216db1a12337f4af11ea462b33bd9a5f21a3b81f6257dd2dc6148c7b6cb4f5b3 |
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font_01_sfnt_off0000f069.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF069 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001087b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1087B | 17992 bytes |
SHA-256: e39691cddebbc97ac4251ce88784c43775d7f4c106f9dbb0a7580b4a320d0abe |
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