MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised WordPress upload directories and other disposable hosting sites, which in turn host other PDF files. This suggests a campaign to distribute malicious content, likely phishing lures or further malware, through a chain of compromised sites. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.5541
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://sherwoodchambergolf.com/ckfinder/userfiles/files/boxilodikilurufubewavaju.pdf In PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/161221c314d142---tijanakanamoxunurejam.pdfIn PDF document text
- http://irinka.org/ckfinder/userfiles/files/jumodomovokuk.pdfIn PDF document text
- https://fcimoveis.com/imgs/file/6971690836.pdfIn PDF document text
- http://irs-messtechnik.at/upload/xasilanuvulitetobudago.pdfIn PDF document text
- http://foto-klub.dk/userfiles/file/bipodijugigoke.pdfIn PDF document text
- http://columb-sklep.pl/userfiles/file/35778440828.pdfIn PDF document text
- https://al-wesam.com/userfiles/files/62181191776.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/27e7051879ea1d7f46a05e15123df1a6/lifewuzobexukeri.pdfIn PDF document text
- https://europartner2.pl/uploads/90374471002.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed033ef791---80875484628.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/5230fec68406308e166f92f3631af75b/vazalaravisupem.pdfIn PDF document text
- http://thedreams.cz/files/gujeramegepolegudowedoxu.pdfIn PDF document text
- https://emmaushuis.org/pages/68296422037.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/7060155e1d2ae39ec467ed658f9c4574/58952141088.pdfIn PDF document text
- https://istanajpdua.com/contents/files/tamasemijubifezev.pdfIn PDF document text
- http://tzoetemondje.be/uploads/files/vigexilurekuwanonawej.pdfIn PDF document text
- http://alexandersorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nofugoliselerexupafakef.pdfIn PDF document text
- https://podgoricki-klub.me/userfiles/file/vadutopikozi.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160794ce0aa1e6---xofemajewalalosokogipel.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/9jshbt99o1g42kamalq0ja98ih/tujilevolasefetonepa.pdfIn PDF document text
- http://qca.ch/userfiles/file/89830640912.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610e4159c1efe---luxuvosowarikerat.pdfIn PDF document text
- http://eperon-kochersberg.com/img_db/76562022540.pdfIn PDF document text
- https://careerroots.net/ckfinder/userfiles/files/33963752916.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=unable+to+do+sit+upsPDF 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_off0000b9c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9C8 | 16076 bytes |
SHA-256: 90ee836e535e35f79ebf790b81091ef58c443849eb21229d571fc1f838425f5e |
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font_01_sfnt_off0000e28d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE28D | 10532 bytes |
SHA-256: b23ac7428072959b936352f748e2b4aad1f768d2ef100786e5bcdbf298638a5b |
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