MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The presence of external URI heuristics and the PDF_SEO_DISPOSABLE_LINK_FARM rule further support this, indicating the document's purpose is to redirect users to potentially harmful external sites, likely for phishing or SEO abuse.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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 https://coretry.ru/uplcv?utm_term=watts+to+horsepower+equation
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/9g1erltgl85vsqu8od7l7l3832/jelawojozata.pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/vhr32dvofeb3334s329r7f0idp/lugogejusolu.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/40bb3f0a6131ed522491499932042353/32530906540.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a1feaba1ba4---3163065555.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160ba90a333850---399461905.pdf
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/3894a726e087cd0f9ccd920ad43f67d8/48736820989.pdf
- https://swalaya.in/userfiles/file/39343648464.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab89e38be8c---13813069096.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/134b7c1ee33870e46d6cc34b5311fbe6/30964819914.pdf
- http://katheran.com/clients/55933/File/tolefogezuwukozeradat.pdf
- http://coinproject.com/userfiles/image/file/9575054020.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609d78c57c246---75125107316.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/c2ba9702e741d90c9ad75154fbce5f46/duxupaxenok.pdf
- http://project-st.ru/userfiles/file/39066213536.pdf
- http://saltokisport.com/uploads/files/korafojujaxowakozowusiter.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070a40ad356a---24673021506.pdf
- https://gizaviation.com/uploads/files/60765089241.pdf
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/0onbinero59p4mvbah5jkkpuhs/29456889758.pdf
- http://asupuro.com/upload/save_image/files/12574984334.pdf
- http://texmet.pl/userimages/file/gugakuxotajonikuv.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1606d02158ca29---4897359478.pdf
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/tbt4lt6stbmqo8a8r98j00ukkd/jumimumig.pdf
- https://adlinefor.com/home/webagen/public_html/korn/data/file/sawixasamilinuviguji.pdf
- http://shinex-auto.com/userfiles/file/1624215732.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b399.bind8f324a81877f986b9fa6ea2c98e306f2d909a660d7af7786d416970a7769a85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB399 | 15456 bytes |
font_01_sfnt_off0000d9d4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D4 | 16792 bytes |
font_02_sfnt_off0000f1eb.bina981309e3e2fe4d45645105e3fafca3a7c69a0efacf5a8280d8e093652ab5d02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1EB | 10628 bytes |
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