MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV specifically identifying it as a phishing trojan. The document contains a link farm pointing to numerous compromised WordPress sites and disposable hosting, likely intended to redirect users to malicious content. The presence of these links and the overall structure suggest a phishing or social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160c974e61e362---89604079438.pdf In PDF document text
- http://yogo110.com/userfiles/file/kudef.pdfIn PDF document text
- https://alienaquatics.com/home/gb/public_html/ckfinder/userfiles/files/32804514692.pdfIn PDF document text
- http://architettobotteonpierpaolostudioabacus.it/userfiles/files/37415564523.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161131ed0149dd---1953712834.pdfIn PDF document text
- http://quincy.pl/ckfinder/userfiles/files/67526484257.pdfIn PDF document text
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/b5bf01f74ecebb6a409a61bdc3707905/62748910344.pdfIn PDF document text
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/1b88qhdgf0fon83a6c9vr8thi4/duvuperudusi.pdfIn PDF document text
- http://insightonafrica.in/userfiles/file/wovapepujonalutuminagerel.pdfIn PDF document text
- https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/80b8fce5a1e59f1b31e8a9147202b278/vimalubebobo.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd483f72520---83919211791.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a04d0e62e55---19246132490.pdfIn PDF document text
- http://jumpinfit.it/userfiles/files/wewexupumuso.pdfIn PDF document text
- https://biocoils.com/img/file/jivazepotaralexaliv.pdfIn PDF document text
- http://bienbao.net/uploads/files/44136472266.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16104afb638042---lalakoxowezuju.pdfIn PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/399e3eca0397fb01e02e6cbb3bdb1d6c/68036601213.pdfIn PDF document text
- http://akcompany.vn/uploads/userfiles/file/27385669452.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16076479a0f0c6---libuva.pdfIn PDF document text
- http://chinasoftcore.com/userfiles/file///75644359094.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160909322c9428---60590747024.pdfIn PDF document text
- http://dobrejaja.com/Upload/file/lugalaroboxedim.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160792db82b2f8---78499636639.pdfIn PDF document text
- http://biosafety.biz/ckfinder/userfiles/files/potosotisad.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=sample+of+contract+between+contractor+and+clientPDF 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_off0000e0f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0F4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f906.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF906 | 17164 bytes |
SHA-256: 7c190a9b2bda0247f25f441928492eb998d1e8b8796217b190ac8d2256025f7b |
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font_02_sfnt_off00012562.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12562 | 10916 bytes |
SHA-256: 53915438f206f932ae8aa7a3e0dd8b66e205c476163de79705cf1189f953b179 |
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