MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm designed to redirect users to malicious content. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs points towards a phishing or malware distribution attempt. The document body's garbled nature and the authoring application (wkhtmltopdf) suggest it's not a legitimate document but rather a container for malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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://cructi.ru/uplcv?utm_term=i+love+my+pdf+to+word PDF link annotation
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/f7526c532d2dd50bcf0c970cb22c5224/3503132062.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/d26b2167ce84d51e50bf9cca2ee127e9/zufuxejiviwa.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e77cdcb82e---88216448478.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608f8aa914df3---mimebe.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f42f639c03---89066246410.pdfIn PDF document text
- http://mu-rrrc.com/userfiles/file/sixaxuwifefixawuzutozel.pdfIn PDF document text
- https://shen-su.eu/gfx/userfiles/files/90224445650.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077fa18f1dc6---solanevej.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/2a5d77082e755cb074c58132de87d9f6/90792557350.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16078bf0785fc9---53850469716.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/73bb5931abab0c365fd8ca5181bf0024/mujexub.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a6dceda176b---japasemupaburapisap.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/846ae63b33dfcf9806235a030249094b/lobutufizaxebosuxokuge.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/61f50faf5d4233545deb807b73845bad/lukuvobu.pdfIn PDF document text
- http://cesishotel.lv/res/wysiwyg/file/timizogowarifudogujaxuduj.pdfIn PDF document text
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a168d61fd4b---2442329101.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_off0000ff63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF63 | 4988 bytes |
SHA-256: 26d9f7a57c490e41a63420c41b8f9270e9572a2f640533081b8a95b1dcc7f0fc |
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font_01_sfnt_off00011069.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11069 | 10748 bytes |
SHA-256: c2117de3b1dadd8d81068fed6db9fb145ae8cabd63e6b102fb4977c8359c95fa |
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