MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, a common technique for executing malicious code within PDFs. It also features a link farm pointing to multiple distinct hosts, many of which appear to be compromised WordPress sites, suggesting an attempt to distribute phishing lures or second-stage malware. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://garageanything.com/js/upload/files/minuraburipi.pdf In PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d270898d3---22724530023.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160701d35d6c97---41148700830.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093b71a0d6cf---70343200227.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/34a93640bdb07517b417699bf4fd0c27/4544939190.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d70037ebb46---66697533318.pdfIn PDF document text
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/65ea67a05813ae63cb9e6b07edf9ac86/ronupixivigikepezudar.pdfIn PDF document text
- http://www.gesas.it/media/mailinglist/file/38492654459.pdfIn PDF document text
- http://imbirimbir.ru/files/vobejukifasazudapudanep.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c94aa267109---vawozebiko.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/c465ac4cc43fbd43aef0d7c8f67c99f1/bewop.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/da428fbcdd3b8f449515d3df3d0a1e08/32496413908.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/09af90e48b24158993936d4af276cca5/23860601126.pdfIn PDF document text
- http://tuhs1970.com/clients/a/ac/acc339db084e87cdfae31a76a6c96f1c/File/13187951760.pdfIn PDF document text
- http://bhsclassof70.com/clients/a/ac/acf0241a72c9eb28a719a759cf8a4748/File/ravenuwunosa.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/lq025dg0bkqo6e8btf92c4d8c1/96552352596.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9867476c3---rudasageneturesox.pdfIn PDF document text
- https://okud-istra.hr/userfiles/file/nedugeban.pdfIn PDF document text
- http://thsport.dk/ckfinder/userfiles/files/zorukoluwa.pdfIn PDF document text
- http://rauvuonsach.com/images/uploads/files/14029074506.pdfIn PDF document text
- http://unesco-mediain.cz/fckfiles/file/84294676129.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e8a7e8120---raxakokotegilototopi.pdfIn PDF document text
- http://debandhelder.nl/ckfinder/userfiles/files/33043565714.pdfIn PDF document text
- http://uniqueaddress.in/crm/files/12770983515.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=auto+sound+solutionsPDF 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_off0000ec99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC99 | 17272 bytes |
SHA-256: 4810cead334a6364ab0b94dbbb6b112d5e8a5762736ab37cd6e8c45e3471cad1 |
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font_01_sfnt_off00011a0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A0A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013220.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13220 | 9928 bytes |
SHA-256: d58163576e9d5d80b046692ca42416e80e90b21f978abf0afa4e981a9d2b3cda |
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