MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded links are consistent with phishing or malware distribution lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://www.de.ruben.pl/ckfinder/userfiles/files/47067660036.pdf In PDF document text
- https://sinarwaja.com/account/files/kaketowemakosapuloded.pdfIn PDF document text
- https://tempatpasang.com/contents/files/99535174492.pdfIn PDF document text
- https://spyboarcams.com/files/kibuxiwesij.pdfIn PDF document text
- http://daimarconstrucciones.com/images/admin/file/34240789729.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/5mokg7e53r7mc0brab8u25id4d/rupowujesonabebosesarelef.pdfIn PDF document text
- http://sirindhorn.net/upload/File/moximit.pdfIn PDF document text
- https://weboonline.com/ckfinder/userfiles/files/tejamakezez.pdfIn PDF document text
- http://ozgu-yapi.com/firma/files/14019393726.pdfIn PDF document text
- http://dunajecbiala.pl/upload/File/kabuxozawokafudaz.pdfIn PDF document text
- http://decamiones.com/userfiles/file/mitatewofuvosaxudexigub.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5bfe5b5ee---jukifuwatorodifupobureg.pdfIn PDF document text
- http://plafondchauffant.fr/img/user/file/rebaxikupegotil.pdfIn PDF document text
- http://myxroad.net/upload/userfiles/file///pemip.pdfIn PDF document text
- http://harrodsrentacar.com/public_html/userfiles/file/zutufeke.pdfIn PDF document text
- https://a2designbg.com/userfiles/file/pafamino.pdfIn PDF document text
- https://vetamblj.si/ckfinder/userfiles/files/nutebiralelesesaw.pdfIn PDF document text
- http://sewakendragroup.com/userfiles/file/61716281952.pdfIn PDF document text
- http://sspvjd.com/FileData/ckfinder/files/20210909_FCAD4AC4B1BA81B3.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9a5e5600e---52043180334.pdfIn PDF document text
- http://huntland.hu/upload/file/famez.pdfIn PDF document text
- http://webbyshoe.com/fckeditor/userfiles/file/funapuguxapalugamew.pdfIn PDF document text
- http://aow.infogestnet.it/ckfinder/userfiles/files/tasevomaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=imou+app+for+android+tvPDF 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_off0000c627.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC627 | 10428 bytes |
SHA-256: a65fa17c7df4f442c391d618e17e13b9eb19bc03fda85e361b24dd49659720b0 |
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font_01_sfnt_off0000ddb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB8 | 17112 bytes |
SHA-256: c75d383a5745829482a743b6550c2857665f04b190ef705cfd3e7bc5902ee3c8 |
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font_02_sfnt_off000109ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109AD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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