MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, indicating a link farm for SEO manipulation or malicious redirection. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent. No scripts were extracted, but the structure and URL patterns are indicative of a phishing or redirection campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://nano-vip.com/ckfinder/userfiles/files/5738459330.pdf In PDF document text
- http://gtlmarinefuel.com/userfiles/file/65131754631.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6ca358428233919841a3800ab26af3a0/98696909216.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/5c9c6da8a405c9eaa3d00fc532123cd1/tenelegasate.pdfIn PDF document text
- https://polandpools.com/contents//files/21495689836.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c999661512b---83670335235.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a220d5736---ribojukowovaw.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/07013996134c0185f5c1c6e5202afdfa/10744388027.pdfIn PDF document text
- http://associazionemillesogni.it/userfiles/files/73540732482.pdfIn PDF document text
- http://cnpair.com/userfiles/file/juwudetapefolen.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///11211679110.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/68ijrldfvgialbkg79uvj4tclr/54495929102.pdfIn PDF document text
- https://gamasteel.net/userfiles/file/lufane.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087630a51474---7393336604.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc11275067---82925383465.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16079304a272e8---lanaroduremi.pdfIn PDF document text
- http://trendstyleimage.com/uploads/ckfinder/userfiles/files/66207337734.pdfIn PDF document text
- http://ilturismoinitalia.it/userfiles/files/pezudolo.pdfIn PDF document text
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/2ff34baf12ecd4f969ebe903940a36e3/bumaludajabu.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608c06200591b---5420561483.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/ffdee844a31d4ff3e771c322f92482c4/xubeg.pdfIn PDF document text
- http://kotolantopeni.cz/file/62407531990.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc698bedb8---32418547072.pdfIn PDF document text
- http://www.anjhimayath.com/upload/file/potirepodogupetimisov.pdfIn PDF document text
- http://fygl.net/uploads/file/240007433329.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=hypernatremic+dehydration+signs+and+symptomsPDF 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_off0000f6a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A3 | 11020 bytes |
SHA-256: 1f49c55be83eafdc9f8cd678ee927bb9a0cf0dc80978c714080208ca2ffab3a5 |
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font_01_sfnt_off00010fdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FDC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000127ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127EE | 16264 bytes |
SHA-256: ad7fb2bfa2edc5508bada9353b3c64382b1f1d67d724cd257e4cdced977f923d |
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