MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and multiple URLs pointing to compromised websites, indicating a phishing or malware distribution attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest the document is designed to host a collection of links leading to malicious content. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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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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://harringtonassociateslaw.com/Test/JabzMedicalBillingService/userfiles/file/nibefimulovopakopewumemux.pdf In PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b82382e6fe6---35379999564.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160800dc032515---minamo.pdfIn PDF document text
- http://gaskinfamilyreunion.com/clients/b/b7/b798c9f9e2af69c3a5b950a06e4ade8e/File/xemusiri.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/c684d9d6c77db84524d25cce5957cc74/23533485780.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/m9ma31ue8krh8ib8jivod4fujl/55210135253.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a95a0cced8d---76521642993.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608613dbc9171---50865448016.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-1/20210501155654279118.pdfIn PDF document text
- http://mundori.com/js/ckfinder/userfiles/files/baganufozilawoxazuzotagaj.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/d46db3561d983694d5387c620c592e3b/18708319097.pdfIn PDF document text
- https://osikovo.eu/webroot/img/content/files/49479434333.pdfIn PDF document text
- http://asiancfea.org/userfiles/file/kunododidugalesuzupivadip.pdfIn PDF document text
- http://madonnina.info/userfiles/files/7499449784.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/1baa671afaed61f3b50f7aa41eab238c/63333940773.pdfIn PDF document text
- http://cabini.it/userfiles/files/24099023974.pdfIn PDF document text
- https://nnkcreations.com/userfiles/file/78327941552.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/cc594c54f6a0a92f7b6ad513b85281a6/ruban.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad0ad2978a4---dekoxakagujixut.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/37659c22cfe46caf4618dcd71b2df1fa/lotiminul.pdfIn PDF document text
- http://phayaotechno.com/UserFiles/File/vikeboremupagejuxunetuw.pdfIn PDF document text
- http://vita24h.com/uploads/userfiles/file/kasetagup.pdfIn PDF document text
- https://vrrc.heart.net.tw/ckfinder/ckfiles/files/buxog.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=aceptacion+positiva+incondicional+rogers+pdfPDF 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_off0000eed7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED7 | 10844 bytes |
SHA-256: 8c50d85d28fdae85a6f3f8b817bba537eaace0c2c78fe6684dccca2c3780d2ef |
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font_01_sfnt_off000107d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fe7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FE7 | 17628 bytes |
SHA-256: d3ad815515e6c78b457631b76640ed53dd4ef37dfc08331afbce8ad10910475a |
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