MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous links to compromised WordPress upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608717e978581---semokilodu.pdf In PDF document text
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/1l6pem2pcp40chgjo8cabke5g2/16431558678.pdfIn PDF document text
- http://longarmacademy.net/fckeditor/userfiles/file/vaxogedebekixawizarabiram.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/juvqnulgs0jc566knasf8fr521/36638832487.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16092b2c41603c---mijawulavuxiwazigabavike.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/5nr69bfc3vlivf7qar93srnin4/gaxirinezid.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f91dc8a1b4---31493488570.pdfIn PDF document text
- http://extracam.es/app/webroot/arxius/file/82911167881.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b56223c235---47835305993.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/vflkvpmht94jfabc1qb6vkru2g/61830518029.pdfIn PDF document text
- http://dentherapia.hu/files/file/kejozotuwepotumi.pdfIn PDF document text
- https://twr1115.net/files/fckeditor/file/lavetakirodumedak.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/da6dcd436808f744050e7264fc85e929/43615633163.pdfIn PDF document text
- http://archerelectricsupply.com/userfiles/file/59089207104.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/fapug.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/96a3f2da5bdbd2487bf87146850192bc/jakapafixafarugepon.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=espiritu+de+lujuria+segun+la+bibliaPDF 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://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_off0000e985.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE985 | 5300 bytes |
SHA-256: 597bbd5afb1adb13861f03346c7a10017d9ed0b5ff161a254e6e17c3be185d8b |
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font_01_sfnt_off0000fb98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB98 | 11920 bytes |
SHA-256: 86faa008d9a0dfa81b28e1d49a557289856f1859ec370b42617268ac3a003580 |
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