MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with many URLs pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution attempt. The presence of numerous external URIs and the nature of the detected heuristics strongly indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a766b9b4b2---14188513830.pdf In PDF document text
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e49f2e95aec---89518631654.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160758c617e3f7---10843444037.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c547b236c78---rupadisoluzebamivib.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16092d2656f529---93726375464.pdfIn PDF document text
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/nsvsoim0fm63at8p8qhcjlcq4a/sivowowutatapu.pdfIn PDF document text
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/n1ouvh5u5jg5vhl3jd5jiast4n/junawifozufurazomolupi.pdfIn PDF document text
- https://hitourkorea.com/FileData/ckfinder/files/20210621_CF81958192E3FFBE.pdfIn PDF document text
- http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/sezawovuxoxatuj.pdfIn PDF document text
- http://sashtraayurveda.com/ckfinder/userfiles/files/dovobotime.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/0f80d4c83d5b7456210778679062d720/30179753410.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b00e4d8a0f---sukamozis.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/4b917db413f8d5837a733417a03cc6ee/12382453293.pdfIn PDF document text
- https://dm288.com/slicice/file/josalepadaxefaxepuzo.pdfIn PDF document text
- http://gramercy-grand.ru/files/file/divurawosujubipadak.pdfIn PDF document text
- http://kojeneckezbozi.eu/userfiles/file/febikagodox.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b85da21703c---51057252163.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2c3024a36---26550738003.pdfIn PDF document text
- http://kayamedbursa.com/userfiles/file/difofifazogawakojupup.pdfIn PDF document text
- http://quatanggiabao.com/images/uploads/files/1641276303.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607864b1c2ce2---6996977573.pdfIn PDF document text
- http://kolaykanal.com/userfiles/files/xelatemuluvila.pdfIn PDF document text
- https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/66204777833.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=chadd+support+groupPDF 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_off0000ec71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC71 | 17288 bytes |
SHA-256: 268e51dee439e2e16f4c36d9bd66a034dbc74b2ef291456d03b3afbf8c14f0d8 |
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font_01_sfnt_off000119a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119A9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000131c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131C0 | 10428 bytes |
SHA-256: 166750a109067d637d66656238469c6ce18563e665a6aa3fb3ad3360fea160e4 |
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