MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is a common technique for executing malicious code within PDFs. It also features a link farm pointing to numerous URLs, many hosted on compromised WordPress sites or disposable domains, suggesting an attempt to obscure the final destination. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4539
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://philabc.ru/uplcv?utm_term=2016+toyota+sequoia+repair+manual PDF link annotation
- http://paroissedementon.fr/upload/files/lizokenuzegozuvajowenas.pdfIn PDF document text
- http://arniestribu.com/campannas/file/falofemigixeje.pdfIn PDF document text
- http://rallyteamwalraven.nl/file/mudimofezarotawuketipa.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0172a109f---jiminexesidetub.pdfIn PDF document text
- https://verandapattaya.com/userfiles/files/30134953182.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/dejinuxefa.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbaf20ece7---929710133.pdfIn PDF document text
- http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/44532933584.pdfIn PDF document text
- http://sinorarechem.com/upload/files/40940908359.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c55c6fc3b71---konukerap.pdfIn PDF document text
- https://mpksieradz.pl/upload/file/46103099737.pdfIn PDF document text
- http://bukharaatlanta.com/sites/default/files/file/71636343042.pdfIn PDF document text
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ed8f434ad8---69467704395.pdfIn PDF document text
- https://feldmann-spedition.de/pics/userfiles/file/14572579395.pdfIn PDF document text
- https://pacantioquia.org/aym_image/files/nuvexil.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/20fd668bb3e63a423b9137e67681fd5b/66612318007.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607eac3e452fe---87710088156.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1cda76ac7a---77071591288.pdfIn PDF document text
- http://k2plusinterior.com/userfiles/monatadaguru.pdfIn PDF document text
- https://lapalettedesarts.fr/gestion/file/47040155170.pdfIn PDF document text
- http://avanti.pl/userfiles/file/zifebizodedomoruz.pdfIn PDF document text
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/20928b1ffdb685f6d2367fe38097f232/kususifuvajuwawanorevuzo.pdfIn PDF document text
- https://flardochform.se/userfiles/file/64169396201.pdfIn PDF document text
- http://ccspatti.org/userfiles/file/vurosedebadabuniwuxojupe.pdfIn PDF document text
- 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_off0000d72f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD72F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF46 | 11140 bytes |
SHA-256: 360dd0428f20f7427226ca491a1157eed6a61c4450168f1c64de29a9039304e7 |
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