MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and numerous external links are consistent with a malicious PDF designed to lure users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/8b25c44f4f7330aeb6fb9468ddaa9200/jelobodagalixakerunafen.pdf
- http://doktor-okonski.pl/uploadimg/file/debolukowobuxapijawokuxa.pdf
- http://www.klimavill.com//data/editorfile/xizajig.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e34c740a2f---misotogutejatimeviruraje.pdf
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/f2f4093013585d0296a506c615050e62/bipisobojusogalaxexujobu.pdf
- https://altonika.pro/files/fck/file/19998702407.pdf
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/3b844848d53af4617596fe522d527e3f/29827375735.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/d0fe763c671ef68ccf8c74b55ec24c4b/88862260303.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/204b78f304f2e241b0d325f9fa2c2006/barawutirerawaruguzub.pdf
- http://whalesart.com/uploadfile/file///2021051806273635.pdf
- http://kxnjl.com/userfiles/files/15298963666.pdf
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/b6b55b51c25a3da0ecaf1a3b5bc15d87/lijowisuxonototifimigi.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/dduhd9lb3pgh364a3v0ndocbm6/zorodepezojivifikubegote.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/ebd4fa16eafc22e0bc0b6ea509687444/jiduderiguz.pdf
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160788d1b60174---pakekajunu.pdf
- https://pui-vital.ro/msg_media/file/xigufutenopilefakok.pdf
- http://acril.ru/ufiles/files/karezujibujejus.pdf
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/ba6856ca5468caabcc6b3069e02e3ddc/rodoripot.pdf
- https://totounited.com/contents//files/80712416644.pdf
- http://insidethedigitaltrend.biz/userfiles/file/76369930934.pdf
- http://vangphugia.com/userfiles/file/37986206406.pdf
- http://metabolit-plus.ru/files/file/wudojerugenot.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/fa426694ff5192bd8a6ef13ea0d59b98/19919481951.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=can+vegetables+be+refrozen
- 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_off0000e528.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE528 | 16792 bytes |
font_01_sfnt_off0000fd3f.binaa320cf6b06bcf327ce7955aa2fa55aad46a569fc26004a56cdace002e138394 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD3F | 10596 bytes |
font_02_sfnt_off000115b6.bin47bff5641ac19467b7226165ee45ff5f4a4d6a40d86d6d1b465bbb2e9564e464 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115B6 | 17248 bytes |
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