MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a large number of external URIs, many of which point to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution attempt. The embedded JavaScript is likely responsible for initiating malicious actions, such as redirecting the user or downloading further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
Heuristics 8
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://capitalsyndic.com/userfiles/file/dijejunujimuj.pdf In PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a44a5f1d289---46587918399.pdfIn PDF document text
- https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/gadorixawokanux.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/e283ab1bfc93f90245a3baa732547e43/zeruzesirukokepabawi.pdfIn PDF document text
- http://maszyny.pl/userfiles/file/96392255142.pdfIn PDF document text
- http://chinalabware.es/d/files/nogirajuvevajowezotu.pdfIn PDF document text
- http://mobilenmr.com/files/files/kifirinigilujidomujavovu.pdfIn PDF document text
- http://rocb-ap.org/file_media/file_image/file/vigujekufiposig.pdfIn PDF document text
- http://teusz.pl/UserFiles/file/33657945147.pdfIn PDF document text
- https://firsatpin.com/calisma2/files/uploads/36314982900.pdfIn PDF document text
- https://makiriaszto.hu/ckfinder/userfiles/files/fogotenabepibitagutebujiz.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/ad9geu8g06gojpauptfdrb80b1/94970404946.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/dlfj6tlhutt2g8rf428s0kl06i/pedavuko.pdfIn PDF document text
- http://stylekd.ru/files/nuralawofapivaviboxi.pdfIn PDF document text
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/cd4812885ff2edb1d3718f4e275ca19f/veletivez.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/d57a6c22dcadc7d8f2f373f133b46526/koxidajinagavufuveze.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1606f13510e956---ruvabalajeke.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/04ce2fb828f73ca3aaecdec4654bb3b1/javafajotafixepaxuvinu.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc426447a3---sulisumusigenirinodi.pdfPDF link annotation
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e4d41594e3---povuzalunoferomuv.pdfIn PDF document text
- http://busanpc1.com/upload/fckeditor/file/15113784927.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160887444b98c0---39732943531.pdfIn PDF document text
- https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/fae03e0ae8ef5e94f54dc73f1d49cb03/marezelabidelusiwiboxup.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb66ef2116---fesov.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e408d7378a---13191070046.pdfIn PDF document text
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd1d661e51---9090231956.pdfIn PDF document text
- http://duepassidalcentro.it/userfiles/files/malapadizuzepixebejiro.pdfIn PDF document text
- http://clairvoyantinfotech.com/demo/images/18355556640.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=through+the+legs+dribble+in+basketballPDF 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_off000101e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101E6 | 16780 bytes |
SHA-256: 573a733d46258be76cdda595574ddfba98656c73f0a5d7bfb15f34306e189984 |
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font_01_sfnt_off00012d91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D91 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000145a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145A8 | 10824 bytes |
SHA-256: 968a4d85c1161181fcb615df3ce2618a077f3dcb4d6ddc38afce2d291a086237 |
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