MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to numerous websites, many of which are hosted on compromised CMS platforms or disposable domains. This structure is indicative of a phishing or malware distribution campaign, where users are lured to click on links that lead to malicious content. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.5466
Heuristics 5
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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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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://szjglaw.com/uploadfile/file/2021090323304573499.pdf In PDF document text
- http://www.verneteco.com/ckfinder/userfiles/files/44732304712.pdfIn PDF document text
- http://www.anjhimayath.com/upload/file/82306346598.pdfIn PDF document text
- http://cyuansheng.com/userfiles/file/zibupekusolofukivijudoj.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613132b569863---30799268014.pdfIn PDF document text
- https://reklama71.ru/upload_picture/82065877744.pdfIn PDF document text
- https://harteron.ee/userfiles/file/wolasosexap.pdfIn PDF document text
- http://ozhelalikram.de/resimler/files/fetijifonowigutopikotifub.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143a865e1a60---86294654993.pdfIn PDF document text
- http://preiswerte-unterkunft-papenburg.de/mediapool/rafelavajejet.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140fc5e26dff---4088884395.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141b910a7c4e---67232833168.pdfIn PDF document text
- https://brod-plovdiv.com/images/28560679722.pdfIn PDF document text
- http://malerbetrieb-malanders.de/Webseite/pics/fotos/1/file/22163620576.pdfIn PDF document text
- http://phuwangnam.com/user_file/file/faxetaxokuga.pdfIn PDF document text
- http://generaltubi.com/container/ckfiles/files/vurexokinos.pdfIn PDF document text
- http://residencelesaline.it/userfiles/files/18508356637.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/1pqib5bjr3jtsh0ra3hav511dp/309675465.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/61396608514.pdfIn PDF document text
- http://itkaufmann.com/images/fckimages/file/10554287923.pdfIn PDF document text
- https://eastmanllc.com/ckfinder/userfiles/files/22508214413.pdfIn PDF document text
- https://bdata.vn/upload/files/xupedilozegakadusiwugosoz.pdfIn PDF document text
- http://worldofpacifiers.com/editor_uploads/system/files/42823143522.pdfIn PDF document text
- https://loffoxfitness.mvwebsolution.com/userfiles/files/32571880355.pdfIn PDF document text
- http://archgeo-leszno.pl/uploads/userfiles/files/35813755776.pdfIn PDF document text
- http://sm.ac.th/ckfinder/userfiles/files/88037123197.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=super+mario+world+ending+theme+piano+sheet+musicPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f932.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF932 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011144.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11144 | 20400 bytes |
SHA-256: bc79a973d9ed3247847194afe86d5f608a8a2b844b3c1ffddf1ccd31199bb0bd |
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