MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to compromised websites or disposable hosting, indicating a link farm designed to lead users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely a phishing lure or a distribution point for further malware. No scripts were extracted, but the structure and URL analysis point to a phishing or content-distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://cl-pub.com/files/files/81316073840.pdf In PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a85dd2507d2---85490432471.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1611e487b11006---janega.pdfIn PDF document text
- https://canevastoilestjean.com/upload/editor/file/saxukogifokekukawo.pdfIn PDF document text
- http://skybuildinfraprojects.com/uploads/wafur.pdfIn PDF document text
- https://sportcity.bg/webroot/img/content/files/29502783104.pdfIn PDF document text
- http://sdds.be/userfiles/file/bugasoxagedizotukojir.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c530c6b3bdb---17544454113.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1aef966f4---34914008643.pdfIn PDF document text
- https://lesura.net/userfiles/file/7025161553.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/futojupezegevewon.pdfIn PDF document text
- https://laflammerouge.ch/userfiles/files/12501474324.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160befa927743e---96563014306.pdfIn PDF document text
- http://ekolojikweb.net/upld/userfiles/file/8246212623.pdfIn PDF document text
- http://homearcky.nl/userfiles/file/16432253771.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f344b62880f---31073916795.pdfIn PDF document text
- https://nhadatonline24h.com/Images_upload/files/57242619675.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5774ca6cb---17419475854.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/eedsibiiu391kqa6efn6oavdqt/welukefexumikot.pdfIn PDF document text
- http://digifast.cz/userfiles/2162437541.pdfIn PDF document text
- https://people11people.com/uploads/File/lisabiluzunisukinil.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/c17b0c0fd04e86839ead6f85c65515a6/8705171706.pdfIn PDF document text
- https://sy-tech.eu/file/39332770880.pdfIn PDF document text
- http://nsdadventist.org/FCKData/file/47147173484.pdfIn PDF document text
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/0787a0f3103490621303eed4118b3bbb/mimigu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=8th+grade+science+reading+comprehension+worksheets+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_off0000e56e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE56E | 11312 bytes |
SHA-256: 6dd21840791c5c4b5320e85bd910eb23334da1f3566e19453e3b860a7afeca69 |
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font_01_sfnt_off0000ffc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000117d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117D3 | 17088 bytes |
SHA-256: fe43b02100109a36c49915dfdd2f9748b35ad90ee43af7b52f335d7a93cfce76 |
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