MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The file contains numerous links, many pointing to compromised WordPress upload directories, suggesting it functions as a lure to download further malicious content. The presence of external URIs and link farms on disposable hosting further supports its role as a distribution mechanism for malware, likely disguised as a document related to ISO 31000 standards.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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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://studiovizia.com/webroot/img/content/files/25532316001.pdf In PDF document text
- http://cobbpaynefamilyreunion.com/clients/862770/File/lizupejad.pdfIn PDF document text
- http://ash-graphy.com/userfiles/file/saleniwesede.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5396a2d65d---7609547718.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160702d821700e---zonerawelixukogazavori.pdfIn PDF document text
- http://xn--80aadq3ae7aa5k.xn--p1ai/upload/file/vorupipane.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608632bcdcc37---woradikavefu.pdfIn PDF document text
- http://influences-vegetales.eu/assets/Image//files/91754065007.pdfIn PDF document text
- https://nsck-cykelmotion.dk/userfiles/file/xabufonajeti.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/65292300974.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16076582b3961c---51391431560.pdfIn PDF document text
- https://collegemahan.ir/basefile/collegemahanir/files/fipevur.pdfIn PDF document text
- http://hytechcommunications.com/userfiles/file/maxak.pdfIn PDF document text
- http://kolesnikov.pro/ckfinder/userfiles/files/numetigo.pdfIn PDF document text
- https://gregor-biffiger.ch/userfiles/file/jolez.pdfIn PDF document text
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/30425927060.pdfIn PDF document text
- http://stalmost.pl/userfiles/file/38019416618.pdfIn PDF document text
- https://alihuata.com/userfiles/file/6392892409.pdfIn PDF document text
- https://amadesafar.ir/basefile/amadesafarir/files/5799352716.pdfIn PDF document text
- http://tropo-design.com/ckfinder/userfiles/files/69757221498.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8bc59bfb9b---litexebawefugedegirefa.pdfIn PDF document text
- https://doina.md/fckeditorfiles/file/20951715271.pdfIn PDF document text
- http://zatuchlina.cz/upload/file/vazudasewamologulap.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1610619c502f28---94210025293.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=iso+31000+pdf+download+freePDF 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_off0000cef3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEF3 | 17528 bytes |
SHA-256: 0d20196f82b7966ef4007578d08502c0bb029de4996886ba8735fde576d90b59 |
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font_01_sfnt_off0000fc93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC93 | 10684 bytes |
SHA-256: 345a9831a88e888776cc59fd5918fb331df962b3ad040d9c31707f6b1565b8e0 |
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font_02_sfnt_off00011556.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11556 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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