MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an invoice-themed lure. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 8
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://allprintusa.com/admin/images/file/ravade.pdf In PDF document text
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/io7svuga857g3e59pulfn4222q/xupidanus.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/lasawidixamiwuxadaxaden.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099c1cabd043---83842259623.pdfIn PDF document text
- http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/watapibebabegudomuzob.pdfIn PDF document text
- https://lesura.net/userfiles/file/88593474085.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae011a1ab2---72420204708.pdfIn PDF document text
- http://libertyquad72.fr/userfiles/file/32646937205.pdfIn PDF document text
- http://ajivikafinance.com/userfiles/file/gugolokodifi.pdfIn PDF document text
- http://www.mostenpo.jp/userfiles/files/takuze.pdfIn PDF document text
- http://angelescare.com/userfiles/file/dojigujusuzobawenewevotox.pdfIn PDF document text
- http://bigband-ulm.de/userfiles/files/62669286534.pdfIn PDF document text
- http://111-orte.de/testarea/cwsCMSlight/media/files/zizajisejugozagure.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/160955123089.pdfIn PDF document text
- https://sinhadventure.com/uploads/file/zusutobigonubejatavisufub.pdfIn PDF document text
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/145ba102c1f947e1308e89b402e26e49/sapodedidojudes.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16098f8b7aeab3---wikokuviwizuvevodewux.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/ehiucb5u8165a77bd4287iahk6/77751863596.pdfIn PDF document text
- https://imagebeaute.fr/userfiles/file/woveriduzogoj.pdfIn PDF document text
- https://next-engineering.com/userfiles/files/witopulijalofudosi.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bd62d3636d1---25598157217.pdfIn PDF document text
- https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607348620c86c---51463698975.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=list+of+reverse+charge+under+gstPDF 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_off0000f407.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF407 | 10832 bytes |
SHA-256: ff30f3ae4d94a2158d588057099031c09e97767481230929307f342d9d13c4e2 |
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font_01_sfnt_off00010cd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CD0 | 17368 bytes |
SHA-256: 8d398d38a15e357d7baa5be7e35fbfdec1982c723d167f0cf1b7267d4b5f18bf |
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font_02_sfnt_off00013a73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A73 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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