MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many pointing to domains associated with compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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 https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/rr7kq0pvrvcp7oaaou46qpcalr/zedaguwosovubujimizolup.pdf In PDF document text
- http://landonintergroup.com/ckfinder/userfiles/files/71593137174.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/7c7a314456116beba3dcca2145514cd6/16583944205.pdfIn PDF document text
- https://egokituz.eus/files/galeria/files/vigatokefu.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/29668428767.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/9eee4f34e877405ed2d394a16252e075/xuvifulexomebuxejere.pdfIn PDF document text
- http://brooklynsmokeshops.com/admin/images/file/46747603227.pdfIn PDF document text
- https://anfauglir.com/images/file/kopuvo.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/56ddb37df9b2b5d72aafc7b95c7a57d9/norotutumakota.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/joduzagaxejixatuxoji.pdfIn PDF document text
- https://gobelsprofil.com/upload/files/kepadubilegadu.pdfIn PDF document text
- http://france-ex.com/images/blog//file/vefisimifovijoziw.pdfIn PDF document text
- http://permanentnimakeup-brno.cz/userfiles/files/pomabigufutir.pdfIn PDF document text
- http://flywings.sk/UserFiles/file/57941473799.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a42384ec261---18742698850.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba940036e3---modijasefanemixamom.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160911438090d1---gasota.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/7151b39e7289da140cb739db8aa9b71c/lopaworajifugejod.pdfIn PDF document text
- http://sherylrobphotos.com/clients/56056/File/givovawol.pdfIn PDF document text
- http://crisismobile.com/ckfinder/userfiles/files/kikusilevasapedoruniduxi.pdfIn PDF document text
- http://rapet.hu/files/xetusibobemuvirege.pdfIn PDF document text
- https://nhachoxebus.com/upload/fck/file/vumigijuvagu.pdfIn PDF document text
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/17182dcff4851fdd3457c707c82174e5/60581671484.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608921cde7c48---11942752105.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a390f313c79---metogizakan.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=chilling+adventures+of+sabrina+comic+wikiaPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fcef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011500.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11500 | 16936 bytes |
SHA-256: 3f6d64be0a9a5ee433916b63f91fb3d80bb5c695467ebf61851f38d6a8578b0e |
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font_02_sfnt_off00012da9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DA9 | 11436 bytes |
SHA-256: 6c93005d137ee685281e2e614862329f15a6f6fc184c25c821ae3edc59a73898 |
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font_03_sfnt_off00014860.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14860 | 20116 bytes |
SHA-256: 5c9c9a67ac260af09a67cd3a0ff6a2e1b65a89e8c2557a092d0c18afb306cb3c |
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