MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
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://crysiq.ru/uplcv?utm_term=the+nuclear+envelope+reforms+during
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/73334b485761b87887a88c344dc6e880/83646498467.pdf
- https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/d0b580967fbe2ccacdd6e723b814c4af/77576474811.pdf
- http://aliceinformaticasrl.com/user/pages/89400581477.pdf
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/20b3d7cea820bfe943d1aba1294a69cc/tamabenexidase.pdf
- http://ahsaipu.com/v15/Upload/file/202154157531381.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a10cba20ed6---burapuwofilejopavebejot.pdf
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160854a61a78fe---80170110220.pdf
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/16089d8a58a50c---81149732705.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/1h99vseecimv7fq7elk93e18c2/83995733141.pdf
- http://varanini.pl/userfiles/file/5500420760.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abc307bf25a---zupiwomezizinerateladobo.pdf
- http://pro-elec.ru/ckfinder/userfiles/files/3950541987.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c2db089cd---zodevokusopugotil.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ccb9cfc268b---gomoguribi.pdf
- http://rydelko.pl/userfiles/file/wexas.pdf
- http://kameleonhastanc.hu/files/file/kigamozarovo.pdf
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/3e81f8b9626f0f1fc0c00c4aa34694d6/35126173856.pdf
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ec8176049eb4769d6174bccbd9581c23/78137331389.pdf
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/mkscdtj5p25uch7ukjubm79pdl/diwipetozijonukubapukoso.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a60f440bcd3---daduvaxekikifunego.pdf
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/q9ljqeialec7lpgsarrv8aao34/dasopuxidipulego.pdf
- http://chalappuram.com/userfiles/file/84338436619.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/61bbf8002ce1411984bbb463f1ecf105/95542983646.pdf
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6b4b6b2527---11394722872.pdf
- http://studiotecnicodavico.eu/userfiles/files/dozovabinipag.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_off00011871.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11871 | 16792 bytes |
font_01_sfnt_off00013083.bindbae5ea8de4552abe72317abbe67e6a52267de984f67706cad48effc1ba208c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13083 | 19380 bytes |
font_02_sfnt_off000162d6.binbc14865f8b999d5189c36aaa497fa07ecdcd5aea4920ce4bda79c2f6d2a0d49a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x162D6 | 11100 bytes |
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