MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to multiple compromised WordPress upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of numerous external URIs and compromised CMS upload links points to a tactic of leveraging potentially malicious or compromised infrastructure to host or redirect to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://amadpich.com/userfiles/file/10325851619.pdf In PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b6f77115007---78897797990.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/8a9f4711f3454332aa6d4403b7554c58/93202998473.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085729e2450b---nozazol.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd9ab7b320---17315763489.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/228804e35887600d066d431debe11668/37130759428.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076781bf2b92---dokogibesidanovubos.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070a76ae4033---22825727210.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160941b273ca93---12699961416.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/dsjsop4f8j82h0elohhdnce1h3/33600372396.pdfIn PDF document text
- http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/71289294441.pdfIn PDF document text
- http://short-story.ru/upload/file/76880606883.pdfIn PDF document text
- http://beiks.info/public/file/56250446774.pdfIn PDF document text
- http://ebanksunited.com/clients/7/7d/7da19d52c1086e69e61582739ce98a0f/File/54915937591.pdfIn PDF document text
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/spuoo7jmih9k2l6oaa9jnffgpe/torajoxetorubetijurij.pdfIn PDF document text
- https://summit-christian-academy.org/scauserfiles/files/69185017758.pdfIn PDF document text
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813aae80251---kefij.pdfIn PDF document text
- https://propactionvehiclesuk.tv/userfiles/files/34523864676.pdfIn PDF document text
- http://jonkmp.nl/img/cms/file/zawesanumigitukinis.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4292f2d531458dd10347defb65f8abe5/kaxoteponorusimikukatewo.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d97edc76bef---tukakarofesaparul.pdfIn PDF document text
- http://alphasigmaoverseas.com/userfiles/file/17130101963.pdfIn PDF document text
- http://contextuae.com/resimler/files/dewixizapore.pdfIn PDF document text
- http://heritagecarletonplace.com/clients/c/c2/c23aa4fb54f25340752d20cfcff880b2/File/nedijubadasegoxipojajutag.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=nmap+linux+port+scan+examplePDF 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_off0000e7a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A6 | 10712 bytes |
SHA-256: 0e6be4476a0dc679d87f9fba01921c518c6058c7e82f5aba0f9dbc67abde6d1f |
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font_01_sfnt_off00010040.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10040 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011852.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11852 | 17292 bytes |
SHA-256: ea1f19e0703609914cc84c97f83ad0062ad6e9b86441ca8765ff92b6dc4cec2d |
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