MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also contains numerous links to external websites, many of which are hosted on compromised WordPress sites, suggesting a link farm designed to distribute further payloads or conduct phishing. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9915
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://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a048f33a6c---dipurelixafedabivamaluraf.pdf In PDF document text
- https://andana.us/files/files/zipawawuzuzelejazix.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/0471414431cb26e3d98f13f016e71687/52481781529.pdfIn PDF document text
- http://train-in-japan.com/images/blog//file/21663646742.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/vd67a65touaadt3681j7kcee34/99567558974.pdfIn PDF document text
- http://www.truca-taoules.com//ckfinder/userfiles/files/96560661046.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091abd76be6e---86806715146.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/tmk0fbqsvsgutt4mm6jhk0lb03/xapogilomapajekopek.pdfIn PDF document text
- http://hourinkan.net/js/upload/files/maxireroxef.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/ca58ec36566073d88d871f4c6fef92a5/zinokibibope.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091c8d34913c---54302849860.pdfIn PDF document text
- http://bhavalaya.org/ckfinder/userfiles/files/pibadaw.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/2a248c12c16dbb0c26717afdd6074520/buwonesozoge.pdfIn PDF document text
- https://ipic.vn/userfiles/file/tepiwuxuruzavijaluv.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0c4161538458e5d9e892e294bb7a5e82/96729815347.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f48bca25fb---83034859408.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5aab6c3b3---nesugosigex.pdfIn PDF document text
- https://baongochoa.com/upload/file/bosamutijigega.pdfIn PDF document text
- https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/21010902788.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/t2qim7fr0dorhrq7n56mt0eoon/vorakokijulivudunulo.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8a6a1783814e3593c33c168c0931d5da/71688142374.pdfIn PDF document text
- http://atdawnwelift.com/userfiles/file/fodijulazawokibikozu.pdfIn PDF document text
- https://mumegram.com/userfiles/file/12874321760.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=lausd+report+card+templatePDF 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_off000244a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x244A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00025cb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x25CB7 | 18252 bytes |
SHA-256: a068a35744fb4e147e92d421b11cefd1c7a3f06acb843e096f711a3c32b4cc2c |
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font_02_sfnt_off00028d02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x28D02 | 10536 bytes |
SHA-256: 40017a71367cd625c3ddb4fa6c5ce8d3ff2250c7bda6f3c4183e22fba46ee4f2 |
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