MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting domains, indicative of a link farm used for phishing or distributing further malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
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://crysiq.ru/uplcv?utm_term=love+kisses+and+hugs PDF link annotation
- https://gbagencement.fr/uploads/file/48637280951.pdfIn PDF document text
- http://zamdq.com/filespath/files/20210927150743.pdfIn PDF document text
- https://kompaspt2.com/contents/files/xumizafubel.pdfIn PDF document text
- http://cgl.lu/userfiles/files/33730346476.pdfIn PDF document text
- http://www.insight-assessment.com/ckfinder/userfiles/files/vurugusivewemodilijovo.pdfIn PDF document text
- http://karpatskiles.ru/store/files/57958586684.pdfIn PDF document text
- http://unitec-egypt.net/userfiles/file/18425874117.pdfIn PDF document text
- http://christmaslandint.com/userfiles/80196053168.pdfIn PDF document text
- http://thuonghieutoancau.vn/uploads/files/dokirabasigaluxenewob.pdfIn PDF document text
- http://bilcafe.it/userfiles/file/56893903923.pdfIn PDF document text
- http://duhochoangthanh.com/upload/files/nuresarimemujikejezetobog.pdfIn PDF document text
- https://www.acta-mobilier.fr/ckfinder/userfiles/files/73880089343.pdfIn PDF document text
- http://www.mariabeckmann.com/fotos/uploads/files/gibikiwomiwaboruguk.pdfIn PDF document text
- https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/zibituti.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/8a78344548e2ed2fd693da715840b9c1/88866623176.pdfIn PDF document text
- https://nikosdimos.gr/userfiles/file/69658026327.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/g59g53hntpeegku4ovloan8g4h/geladitude.pdfIn PDF document text
- https://dycmc.com/DATA/upload/files/202109020358506930.pdfIn PDF document text
- https://www.sistemkabin.com/ckfinder/userfiles/files/dixozupiliwurejifonasagab.pdfIn PDF document text
- https://tonitomov.com/picture/file/86311059249.pdfIn PDF document text
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140efa3a2c3a---xuzukazi.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_off0000f07a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF07A | 10496 bytes |
SHA-256: 2d73fa5d1d0dd94435956fe1332263df3d5baaea3d146c4e5aa02db93c059349 |
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font_01_sfnt_off00010811.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10811 | 18616 bytes |
SHA-256: 60a8d425ba9a8e393d73167f0158d9854c5640a50d61256308b05ced81ca9230 |
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font_02_sfnt_off00013898.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13898 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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