MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting it functions as a link farm to distribute malicious content. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, indicating it's not intended for human readability but rather as a container for these malicious 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://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aacdf459f34---fekutovatux.pdf In PDF document text
- http://glenbrooksouth1970.com/clients/1/17/17fc1bd13d5538a69f39d58c869d2fc5/File/82483696153.pdfIn PDF document text
- http://happypalettebnb.com/CKEdit/upload/files/rinupedudekifidabe.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160b3e77c5c3a5---vivubefebexin.pdfIn PDF document text
- http://capitaloffice.pl/fotki/file/xixaleveruvazugokufufazu.pdfIn PDF document text
- http://kondicionery-krasnogorsk.ru/upload_picture/file/fivagikudijukud.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/745884fcbeb76ab6fe8fc131e656d865/kenizatuzusinisojisate.pdfIn PDF document text
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/83b228ad78665219332aae8239f9c7df/lovozivuw.pdfIn PDF document text
- http://www.tomasjelinek.com/img/pub/file/32390149623.pdfIn PDF document text
- https://oklogistic.lv/upload/file/tukinuvokefulilogumigikif.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/19a7f192bcbd99e404922f8c6eada720/dududaboradi.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/bejurarefufalepagam.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/r5jo40ldn8o0k40l9ebfbfnjjr/22153358909.pdfIn PDF document text
- http://yuanjen.com/ckfinder/userfiles/files/begopividu.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4e522abfe4---zasob.pdfIn PDF document text
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/deff31b9932fefee22c35b07558e8363/63006522918.pdfIn PDF document text
- http://www.flamanville-76.fr/upload/file/javotezixe.pdfIn PDF document text
- https://diarch.in/WYSIWYGImage/file/57591085821.pdfIn PDF document text
- https://suksesunited.com/contents//files/77435913526.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/16154c8611b6de7b72220d10c2e0595f/pezegulugopamevose.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/5b1eadf604ef9394955544f588bbf759/xumefaludiwovobe.pdfIn PDF document text
- http://timeyear-v.com/userfiles/file/82582742628.pdfIn PDF document text
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/c2d3a79743c620d154b69e4b9c0c3ab4/23564167541.pdfIn PDF document text
- http://szyldkj.com/luodan/images/userfiles/file/jijatedop.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/1aqlkq96rjquo7mk0gervqa12b/23830139285.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=coughing+up+light+pink+mucusPDF 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_off00010307.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10307 | 17552 bytes |
SHA-256: 5002666309fd05f6f5659d3e036284881a8149817d9a6f90da1b5222e38ce5ce |
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font_01_sfnt_off00013129.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13129 | 10652 bytes |
SHA-256: bf3549efba49a770b0777636787d66a51f0b7b4186e039095ff998da6875edd3 |
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font_02_sfnt_off0001495c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1495C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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