MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a phishing or malware distribution scheme. The PDF structure itself appears to be a link farm, designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1609a73c9d9510---46738082379.pdf In PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/03f9fb0b9754b75951f1e60537ad5f0d/nelufakumose.pdfIn PDF document text
- http://bearings-home.com/userfiles/file/newumi.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/mv296u7952f99v0i1nphgdd5a4/12981838764.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c175b42f423---49989396032.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160849c4021817---1844212551.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/72c4ce147807c6da96fd54d8c475d5f1/fiwukejoradezupudutovuda.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3b80cb2c4c---xetov.pdfIn PDF document text
- https://heritagecambodiatravel.com/userfiles/file/poledesisigexebib.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/98675179050.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/eu9mb8ql8em087u9q76m8vst94/63907573365.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607be0f4d951e---24315500161.pdfIn PDF document text
- https://restavracia02.com/userfiles/file/63757899772.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/d519344803ff08432d9c19f7cd8de22c/farexinunus.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160859ad272516---15532356816.pdfIn PDF document text
- http://pinturasoltra.com/images/slider/files/35359056265.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609617c8a8422---30749674857.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/seejv7o9pdqm1e4mbg74u7qr35/75882940639.pdfIn PDF document text
- https://apsco.ly/userfiles/files/bodewujozalokibuzebuxa.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16092e8d3740a9---rijedasonaritokurexexaz.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a78ea669c57---8879204313.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/7cc62790d95a8bd5807f3bb0d6fae45d/zoxafalagujibeza.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869c65d2f38---8462045643.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+long+for+chive+seeds+to+sproutPDF 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_off0000f406.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF406 | 16888 bytes |
SHA-256: 2a582119b58099895e8ed52011f7e0ad5b7205639b94edd2c73c4d592aa53a58 |
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font_01_sfnt_off00012011.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12011 | 10980 bytes |
SHA-256: 7f36fc083a943e378634468ba824f196763d94b92489fb603170df9a32d0e094 |
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font_02_sfnt_off00013955.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13955 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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