MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was identified as malicious by a ML classifier and ClamAV, flagging it as a phishing trojan. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to compromised WordPress sites. These links likely serve to distribute malware or engage in phishing activities, aligning with the 'Pdf.Phishing.Trojan' detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708cb574c45---gonojusijamipevet.pdf In PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cafca37780---jafaxitiposozaxux.pdfIn PDF document text
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2e1455cd7919a57a276438fc0e504843/97662883192.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160a0c0b6bb949---jobagesajubonemavof.pdfIn PDF document text
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/d42fad76f3e3feea7314d90dc20dc2fa/judabilonavibo.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160784b667524f---79591796280.pdfIn PDF document text
- http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e248bb3f35---rolusanaguvif.pdfIn PDF document text
- https://espaciocultivarte.com/ckfinder/userfiles/files/88428020639.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a7144a6f5e5---23215429000.pdfIn PDF document text
- https://debcopharma.com/userfiles/file/78278418681.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/kdcp5e8io3gs6a79c8r9tjuao4/85263466384.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/67df98ea8e87bb1c98be7b0a6a65e116/27381763067.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608028761ceaa---wegenamakeg.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5b3a767a9---39889650917.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c380dd44166---zofarenojofugi.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/4stsi4uh5jt89gui4v2ijln9n3/mejemikaribovoj.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0ebc12349---57105401052.pdfIn PDF document text
- http://tvoirostov.ru/ckfinder/userfiles/files/wixukepurosisetisebijun.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16092c5ab93c17---82473644272.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/ba3ef1e6720b5af438465f57de57bbd9/baxerifenedodadofixi.pdfIn PDF document text
- http://joesservicecenternj.com/userfiles/files/76345539322.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/40e3f8614c08d1bf7a951948bc806969/59173919763.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/0f6d49ea53038244b4883787c3bee2c0/32450159481.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=ibps+clerk+mains+quantitative+aptitude+questionsPDF 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_off0000eecb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEECB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000106dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106DD | 17400 bytes |
SHA-256: b756882a8703f5d1db7c2bd1e18edfdd63aac522b8c4659dda0db572ccfb7b71 |
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font_02_sfnt_off000134c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134C3 | 11168 bytes |
SHA-256: e671e8746eabd24bb714bd7f3421fe5d9e3cabcff46695a19b66f4a5b335e5fd |
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