MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by a machine learning classifier and ClamAV as a phishing trojan. It functions as a link farm, containing numerous URLs that point to compromised CMS uploads and disposable hosting, likely to redirect users to malicious content. The presence of embedded URLs and the 'Fake invoice / payment lure' heuristic further support its malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160983c2c17ff4---zomuxunomikez.pdf In PDF document text
- https://audreyheselmans.com/_files/file/remaxapu.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d50c5c3d72c---39430333875.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b087a736118---nuseguletazuti.pdfIn PDF document text
- https://beautydiction.com/ckfinder/userfiles/files/1207822283.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607b16653a105---jodexipubekanovazazo.pdfIn PDF document text
- http://inlygiaylynhua.com/upload/files/tavidijizumemamoliwedujaj.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/fb3dd4669929264b3f0022711b2b1fc4/woliribalo.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160945e10b2656---kokixugopepinavaxunafa.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6e0bf9f3fd---guvif.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160da9d409d739---dapavogobal.pdfIn PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/tgl7dakd41u0p1e4oqmkjh9ugs/xibob.pdfIn PDF document text
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/9b9a5ddd895671a6e52059c77abffe12/medelotuvoduz.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/bdf9a2dd25e37947fdc042d9407eab64/93999999707.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/9ca2d4f66606bf4b5921f7f4eba3941a/mobawanasesotujisezovivu.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/6kiglbp4vaeiju3aqqn3bbou2q/nalunegurojumovukasaw.pdfIn PDF document text
- http://sevoir.hu/uploads/file/gexamanonifadu.pdfIn PDF document text
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/7c127243cf88d0400bd989b512c79833/2137709564.pdfIn PDF document text
- http://champaigncursillo.com/userfiles/file/vusuzusove.pdfIn PDF document text
- http://eibich.de/layout/bilder/file/tenenidopo.pdfIn PDF document text
- http://backyardreleaf.ca/clients/6/6a/6a4eaaf8452764cb6fc14c9064ed0c71/File/19725183346.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=formulas+quimicas+de+productos+de+limpiezaPDF 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_off0001039e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1039E | 19984 bytes |
SHA-256: e912c1e8ccf9ce44822da26a9e1b32ba9233544339352768fc42eba6cc2dd8bf |
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font_01_sfnt_off0001377c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1377C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014f93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F93 | 10856 bytes |
SHA-256: 3a5ad9b64ea91e03b55cd6f2e348a7f1b39e017bbe59a2396a2928cf479c454d |
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