MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a phishing or malware distribution campaign. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this, as these rules detect patterns associated with link farms designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://irlanc.ru/uplcv?utm_term=hd+ultra+4k+wallpapers PDF link annotation
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/5d0e95d71d9886f492e407b5686985ea/roberegabopa.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/vgccfa2kqubl17pptigd3o9cua/69497252532.pdfIn PDF document text
- https://pnp-studio.com/fckeditorfiles/file/zitanuwowarividozuravezu.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/24aef09b63dfaad163d508bf7919e994/wewobekufilora.pdfIn PDF document text
- https://alternativecarrepair.com/userfiles/file/mojizutamerodewagifop.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16075190fb357f---zipomobok.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1cd4bf1ea---bizegi.pdfIn PDF document text
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/df694bgr2qfgqlce3qlgp9k1dn/vuwabopetokewofedaru.pdfIn PDF document text
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608110896b223---92470583211.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/7f0ca0bbbca0765c4abdedd150564f73/ginugagotugujosazatu.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b60dcad8d05---37119290341.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/0e49962ba825b5914751d5e8f6a588c6/lujazitakupugogaguvevizod.pdfIn PDF document text
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160b46c8a54c4b---44103639703.pdfIn PDF document text
- http://pileshoppen.dk/userfiles/file/tilurilumalopane.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dfc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC1 | 5156 bytes |
SHA-256: db608d9db3eadccd9a32b7221a83ec168de23a3d8ae1d46fbed0d582134c55d0 |
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font_01_sfnt_off0000f16d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF16D | 10972 bytes |
SHA-256: 75c4c99b13d28f40c89afbe941257cd852290fcff979c16ab913b064051bfc0d |
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