MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF identified as malicious by ML classifiers and ClamAV. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to obscure the ultimate destination. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates these links are on disposable hosting, further supporting a malicious intent to distribute harmful content or phish users. No scripts were extracted, but the structure and heuristics strongly suggest a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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 http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160923e6ccab05---2983823355.pdf In PDF document text
- http://rauvuonsach.com/images/uploads/files/24413064048.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c240caa5cc1---medubogutufepalakaxo.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc747b4c84a---lujudogopupazor.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b0828667b---rijinilop.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160725904ec3ad---11485812942.pdfIn PDF document text
- http://penzionklara.cz/userfiles/file/nusabekavagekanefonezulot.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/sk6e76032eajitnr51clq2q0fl/raresamomujud.pdfIn PDF document text
- http://msamericapageant.com/clients/873634/File/72051730308.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a435656281f---tejanogutunapuvakube.pdfIn PDF document text
- http://flexa.cz/docs/file/sutede.pdfIn PDF document text
- http://sobinco.cz/ckfinder/userfiles/files/81317059469.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5fc3ae14a---58833136257.pdfIn PDF document text
- https://hizlipin.com/calisma2/files/uploads/18799917933.pdfIn PDF document text
- http://yuha.be/_files/file/32438491994.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/130334581360dce6bc9633e.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160f3443b43b1b---simojajelugavigetetalev.pdfIn PDF document text
- http://urgentcarepb.net/userfiles/file/51614416288.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160768f6eca59a---84819078376.pdfIn PDF document text
- http://sooclose.eu/upload/File/35346046354.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f7b8d3d6f2e---vodojotanu.pdfIn PDF document text
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/25d0037c5a3e8dfcac32e988b9142170/pivodoserugepor.pdfIn PDF document text
- http://stroisvias.ru/userfiles/file/11343775826.pdfIn PDF document text
- http://www.halpellet.hu/userfiles/files/78545080944.pdfIn PDF document text
- http://xn----dtbsgbucafmmaf.xn--p1ai/servimages/editor/files/fidefazezetefolib.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=historia+del+cristianismo+obra+completa+justo+l+gonzalez+pdfPDF 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_off0001c32c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C32C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001db43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DB43 | 11384 bytes |
SHA-256: 5d2ec65f4c72a5178ab4a2eb81d7df639e02cdf30615db6fc5ac3a3fd67efec6 |
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font_02_sfnt_off0001f59e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F59E | 18768 bytes |
SHA-256: 26cc04b82dbd00293d9fcb919751a8df51c29b19767ae7bf128617007b746b82 |
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