MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://iword.de/userfiles/file/16703181712.pdf In PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161352fb8a6a64---lebuzeginekunekasojikufav.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-9/file/93332707773.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/ef0fdccc8d9321c697f81ff5f95b165b/6382324664.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/r48b00igojjf34ln9nk39fnshk/23141577035.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/161393372e6b50---6375046262.pdfIn PDF document text
- http://thucphamchucnangmy.vn/uploads/files/repipuzesubo.pdfIn PDF document text
- http://jamesandsons.ca/userfiles/file/23925006786.pdfIn PDF document text
- https://www.autopsrus.com/ckfinder/userfiles/files/12491789094.pdfIn PDF document text
- http://prplus4u.com/ckupload/files/fijuzatimigagunujuzuso.pdfIn PDF document text
- http://quaretti.it/userfiles/files/lediwabituw.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16139d9c078270---wamakaxivaxezaperosin.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/s43lm358kobutkrq51gkm0vt7l/zijofa.pdfIn PDF document text
- http://midospa.com/upload/files/kukimopojusikanidifofe.pdfIn PDF document text
- http://kipia-nn.ru/userfiles/file/vevuxugasogufajowup.pdfIn PDF document text
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/zetudifoki.pdfIn PDF document text
- http://jjkxmy.com/upload/files/202109060036288208.pdfIn PDF document text
- https://fwstc.in/userfiles/file/womadumarovuziralolater.pdfIn PDF document text
- http://all-premium.com/user_file/files/zonubulejogemipa.pdfIn PDF document text
- http://vesimport.ru/userfiles/file/zonubusexewukekokona.pdfIn PDF document text
- http://oldmotorsclub.com/files/file/futozumokaxavojul.pdfIn PDF document text
- http://freetds.net/userfiles/file/torumarubepakumesetijafu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=pokemon+black+2+ap+patchPDF 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_off0000b440.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB440 | 10632 bytes |
SHA-256: 7c6b76d771ff54818f96b15fc606283ee491170732e5e3e9d035cb1df6916f78 |
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font_01_sfnt_off0000cc3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC3C | 15224 bytes |
SHA-256: f2e55add5d53eba117b4d9cd8a955b2b918258a3ebcf53d5d442a39480b86891 |
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font_02_sfnt_off0000f2f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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