MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and unreadable, preventing a more detailed analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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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://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/593fb0b53c403bd1c08a4802d6da841c/bunutozul.pdf In PDF document text
- http://aucoindeshalles.fr/menu/file/34255163572.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/66755157271.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ab112c3ece2---68991926509.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608236941806c---siguroke.pdfIn PDF document text
- https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/d61420f649e92e470a13ef9924f5bc71/zonoxirojoxi.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080b14e41578---sipinapavaguziz.pdfIn PDF document text
- https://foundryindia.org/userfiles/file/35804638526.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160cbf75615deb---rasediwulajopatik.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/330fca50cbe99edef3763b1007111d5b/40651427711.pdfIn PDF document text
- https://sitpchemcieszyn.pl/_sitpchem/file/vojojodew.pdfIn PDF document text
- http://markone-tools.com/upload/files/28941244028.pdfIn PDF document text
- https://rijst.nu/userfiles/file/11721943983.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/868c0f9bdc44b9ba56a768d5416e33fb/loruweviwibovogutuje.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/a38546d78676d63affbb9e352ae691d9/16011685923.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/b017ead013dbc718fbfeae03507adfd9/jivuziz.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/ba1be53b99f94ccccb8b2293916408da/61238093230.pdfIn PDF document text
- http://tutaylamhet.com/storage/ckfinder/files/pigakiromogamubum.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/7ae3740bddb5fdc2ad46eeb05e05291d/jafakuliduwugaxaz.pdfIn PDF document text
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/kk2a9n2lh6p4qepakn8te8ggrt/60564502037.pdfIn PDF document text
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/d73b5564d80b76d1c81a49c2a917aa45/zasaboluligatudezeg.pdfIn PDF document text
- http://drive4smilesquebec.ca/clients/f/f5/f58105ca183540932673f5bf18e62671/File/fipasazetowasi.pdfIn PDF document text
- http://pajurioverslas.lt/ckfinder/userfiles/files/wowerajuneduxu.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/77224078d2b9ab78ed94aa7db0a535b8/61200144064.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079fd3e67f03---19062187774.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9fd3e2599---56842200272.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=water+scarcity+in+india+2020PDF 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_off000104bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011cd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CD6 | 10544 bytes |
SHA-256: 8ddaf3e4e386221f5c134e51f5081e75526bb9727900b5a2ec2cb8e151f8f192 |
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font_02_sfnt_off0001351e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1351E | 17356 bytes |
SHA-256: 9664c3ef09ba1e1d8ff2306d95c5bd8cd5655e6ed676da0872c85ea78af7a51e |
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