MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised CMS uploads and disposable hosting. This suggests the document's primary purpose is to act as a link farm, redirecting users to external sites. The ML classifier strongly indicated maliciousness, and the presence of numerous unknown reputation URLs supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104d76116256---jomul.pdf In PDF document text
- http://belhavenhighschoolalumni.com/clients/13962/File/fuzid.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1610ec406e1401---dodaxudufexiveve.pdfIn PDF document text
- http://english-life.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc88367290---56473329359.pdfIn PDF document text
- http://macabrey-luthier.fr/data/Files/20463247575.pdfIn PDF document text
- https://mimpiindah2.com/contents//files/18283374966.pdfIn PDF document text
- http://universalestetic.com/userfiles/file/58933994068.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070f4b555022---turukipelax.pdfIn PDF document text
- https://cuisinescartier.ca/upload/editor/file/nolefetemomo.pdfIn PDF document text
- http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/lujubotatalokozuf.pdfIn PDF document text
- http://centrlita.ru/archive/image/file/47739240852.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/doralovejo.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/3f5795a74ec45d6ea940901f0355aa49/nejilulapewuneliso.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-6/file/34657898517.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/n2qglsp23j2hj70mpb4qnm62i7/govepuludafizo.pdfIn PDF document text
- https://comillaspostgrado.es/userfiles/file/zoxutokejilubirox.pdfIn PDF document text
- http://exosportsante.fr/ckfinder/userfiles/files/rumipebelazelexo.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad019c5a6e---76044090629.pdfIn PDF document text
- https://indirimlipin.com/calisma2/files/uploads/jerebiwiriwosowawelo.pdfIn PDF document text
- http://kcpsystem.com/userData/board/file/17518271086.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6bc966680---47454538253.pdfIn PDF document text
- https://drsubhashawale.com/ckfinder/userfiles/files/96314632402.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=c+klein+mineralogia+zanichelli+2004+pdfPDF 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_off00010c91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C91 | 11304 bytes |
SHA-256: 6d50af4698cc237588d1bee0c12a9184dd7965036f11ff8a0ca681f97f826801 |
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font_01_sfnt_off000126be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126BE | 20232 bytes |
SHA-256: 813e4701670401ea441ce2f415c9c4a9440c89a7b2485cef479700b3003535a2 |
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font_02_sfnt_off00015bbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15BBF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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