MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites, likely intended to lure users into downloading malicious files. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The document body is heavily obfuscated and unreadable, providing no direct clues to its purpose beyond the embedded links.
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 http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/g75f384iq4pj7rfatc987a78j2/42418974018.pdf In PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/kipewup.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/3617092be08089ee2dd510c425f03bef/90142350612.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee4457beef7---41009853286.pdfIn PDF document text
- http://amadpich.com/userfiles/file/83506143026.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/33712a032dd90d3baeb78d20fc26fe0a/80147171196.pdfIn PDF document text
- http://kondicionery-dolgoprudny.ru/upload_picture/file/77248133629.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1611d14c07c61a---55221436877.pdfIn PDF document text
- http://nepodoshlo.kz/ckfinder/userfiles/files/16714027220.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc7736b6ab---7641553590.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/66bc6c90ed593ad29c1e40fa7ad3acba/dofikezope.pdfIn PDF document text
- https://dichocungtoi.com/userfiles/file/jilik.pdfIn PDF document text
- http://186086.com/upload/files/defegem.pdfIn PDF document text
- https://global-product.org/CKEdit/upload/files/rabawajazafixafarevevutuv.pdfIn PDF document text
- https://hkbca.org/UploadFiles/file/20210705084753114.pdfIn PDF document text
- http://thanuyentea.com/ckfinder/userfiles/files/18794793201.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078da6e21ed9---xaribixojagas.pdfIn PDF document text
- https://www.champagne-cornevin.fr/ckfinder/userfiles/files/litunifimabubiregazaja.pdfIn PDF document text
- http://dietaltop.com/userfiles/files/42083519041.pdfIn PDF document text
- https://renault-service.com/userfiles/85153581074.pdfIn PDF document text
- http://jfe.hk/userfiles/2492821543.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/202177126433979.pdfIn PDF document text
- https://www.hkha.org/ckfinder/userfiles/files/muxodosafob.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=tuberculosis+pdf+2018+mexicoPDF 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_off0000dac1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAC1 | 21480 bytes |
SHA-256: 706eb677939f30d3cf04575c8b778014687c50231208a493585ea06ab90b5812 |
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font_01_sfnt_off000110f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12908 | 11224 bytes |
SHA-256: 1f27339529a7975de697c9c6ba18167ca3ec5e98172b3888747efc760e215035 |
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