MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The presence of multiple distinct hosts and the use of 'utm_term' parameters indicate an attempt to direct users to potentially malicious or phishing websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ff7d20640---gewadavo.pdf In PDF document text
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/kck2hkj612akih6nhqtaco8ce4/46901837640.pdfIn PDF document text
- http://tokyoto.pl/UserFiles/file/23849453645.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16094ddac5171a---90479143360.pdfIn PDF document text
- https://rabudiagnostic.com/userfiles/files/xudekadupipopanelowom.pdfIn PDF document text
- http://elskenecologie.nl/files/sekop.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/16075e9deae0d3---wotoxoka.pdfIn PDF document text
- https://africanresearchcenter.com/userfiles/file/94589984298.pdfIn PDF document text
- http://ckrestaurantgroup.com/ckfinder/userfiles/files/61763094345.pdfIn PDF document text
- http://hyundai-dongdo.vn/images/files/9896675797.pdfIn PDF document text
- http://forter.vn/hinhanh/file/magajuzozan.pdfIn PDF document text
- https://fiberglasssupplydepot.com/userfiles/file/kasiwoji.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3d172f2e3---zapuxuwapiposulakenib.pdfIn PDF document text
- http://andrenickels.de/ckfinder/userfiles/files/77915192294.pdfIn PDF document text
- http://quick-thailand.com/images/uploads/file/nesejilogomazomov.pdfIn PDF document text
- http://fusen-es.info/yamituki-n/uploads/files/pefonibuvuxagi.pdfIn PDF document text
- http://kstarsmall.net/userfiles/file///xilabixi.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/76858b3ac178ac164924771adf9a8fb8/53617468537.pdfIn PDF document text
- http://apexhealthnutrition.com/newerac2c/userfiles/file/nafozepokotatikapolez.pdfIn PDF document text
- http://termocity.by/pics/files/88171273286.pdfIn PDF document text
- https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/11358374017.pdfIn PDF document text
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f71dc1e027---34624481807.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=epsa+brazilian+blowout+instructionsPDF 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_off0000dc0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC0D | 10604 bytes |
SHA-256: fed1a1673fb7279607807977985bfe6816c3e98fecdfaff3187900a75f2508d2 |
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font_01_sfnt_off0000f444.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF444 | 17044 bytes |
SHA-256: fa0a3becb13f04e5d8bca2889034c40037755cf09c4b404edcc8c441b0d35e0a |
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font_02_sfnt_off000120fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120FA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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