MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many of which point to compromised WordPress sites. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate this is likely a link farm for SEO manipulation or to distribute malicious content. The ML classifier also flagged the PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.5661
Heuristics 4
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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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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://fotoprint.lv/downloads/file/gojimuliverexojuna.pdf In PDF document text
- http://kronikarp.pl/ckfinder/userfiles/files/zopuvemamowej.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/kk7hieo5jaslum50gmb9e3kih6/dawajodedoti.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/3j41enb2un07a1mmgmtfhabab2/kanemok.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/38364387161.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/qn6lr5i7jkkp29ktjddd4lkf7q/79339049816.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d4faec9f54f---84333610635.pdfIn PDF document text
- http://arndt-fahrschule.de/userfiles/file/winadegekedeka.pdfIn PDF document text
- http://paliukenas.lt/i/File/vumerikivokogalevovexuro.pdfIn PDF document text
- http://bilmatbasim.com/userfiles/file/77097344397.pdfIn PDF document text
- http://phutungquanghieu.com/app/webroot/files/ckfinder/files/70053508054.pdfIn PDF document text
- https://vcubusinesssolutions.com/userfiles/file/13719168129.pdfIn PDF document text
- https://iword.de/userfiles/file/67428580523.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/9hr0lopf83dmai208v6bhe12oh/4296571690.pdfIn PDF document text
- http://2m-m.eu/userfiles/files/natosezozavu.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a986461fae---nivutawavema.pdfIn PDF document text
- http://gimnazjum-krasiczyn.pl/img/userfiles/file/71951323134.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/3de8be32394a33428cd75f6d9fa01618/7367505624.pdfIn PDF document text
- http://dwhs79.com/clients/15834/File/48035320184.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/evaof7ngju4hf6l23014eorvd1/dugafigumileloxudego.pdfIn PDF document text
- http://jiendurancecoaching.com/ckfinder/userfiles/files/zolofu.pdfIn PDF document text
- http://personal.sut.ac.th/chantira/port/ckfinder/userfiles/files/13852433825.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/c3eda3b4704a2af67e8ed88eeec68b45/loronukibiri.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070a58e3482b---13871009069.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8aa6beb50d---jusuvinejesidanojumi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=stochastic+analysis+on+manifolds+hsu+pdfPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c41d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC41D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC34 | 10944 bytes |
SHA-256: a35bab9f755a6f6a8510413f31afe024208f5f7f519028e5ba4d57943f4aa0b1 |
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