MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The document contains numerous links to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or conduct phishing attacks. No scripts were extracted, but the structure and URL patterns indicate a likely attempt to exploit users through deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4168c56ff1---kutilubo.pdf In PDF document text
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/63c160c80abdc3c2b09426504550b8e8/25098386245.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c03634c04852c50e1145794d98118f5b/70344112436.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606d840997c68---86430194321.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be2762a6899---33415183357.pdfIn PDF document text
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/c9a2bcf84418fbd1d8bd5f6e2330d95b/93778264864.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bd4d4da837d---72675781964.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160787e2ee04aa---92051725069.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/564003744.pdfIn PDF document text
- https://ancoraeducacion.com/images/tegukovamurek.pdfIn PDF document text
- http://wooshin.kr/uploaded/file/113018879660aafabac7c8c.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/480f31404278ea363ae04cb56e0cdf79/jigoroliguxidixire.pdfIn PDF document text
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/ma4qbk0nl8eoph9gtscari6kmv/datuxivaloxapis.pdfIn PDF document text
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/tm0g0iivpu8h77kq0troorhca2/6364868885.pdfIn PDF document text
- http://wallsfamilyreunion.com/clients/876683/File/winujonirinumisufurasatod.pdfIn PDF document text
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/b7nasve1mu6lpvmgcnavm2rucj/30972923081.pdfIn PDF document text
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717ff59ec09---pobipesejetopemi.pdfIn PDF document text
- http://champagne-marc-chauvet.com/images/files/78827302568.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/sulomoniridene.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a05b5aa398c---81449513354.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b91301bdd54---wotuzikekenudobijibexejaf.pdfIn PDF document text
- https://ctapigroup3.com/contents//files/dolomiwisojoburetulujuxim.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/7b3mje78gbh6i85k1ca98j27ha/24071590687.pdfIn PDF document text
- http://tktravel.shop/FileData/ckfinder/files/20210608_EDE3BB3A6F25102A.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=yrkkh+song+downloadPDF 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_off0000ee33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE33 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010645.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10645 | 16808 bytes |
SHA-256: 2b3360249c06659ce2b3cc37122e3fa5ceacecf6ce67b05ab0da2e530eb2767a |
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font_02_sfnt_off00013253.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13253 | 10368 bytes |
SHA-256: 5f334aa2a5ff1d83ecbedbf513f9c4765cc77adfe2c10b762eb48a478ed2c5f3 |
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