MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it likely serves as a phishing or malware distribution vector. The file contains numerous links, many pointing to compromised WordPress upload directories, suggesting it's designed to lure users to malicious sites. The presence of a link farm on disposable hosting further supports its role in a phishing campaign.
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 http://polymer-optix.de/userfiles/file/58092557192.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160daa21567b9e---38862112745.pdf
- http://allnatureint.com/userfiles/file/mojupoboguvudupama.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2df90c02e---vazudineretekigunenuga.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160740c917738d---revidefapumiwunu.pdf
- https://bnbcostaverde.it/userfiles/file/jerugozutivexuxofufex.pdf
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16096f496a25bd---fudexakafijalegaludup.pdf
- http://granite1962.com/clients/869125/File/bujol.pdf
- https://ewdel.cz/ckfinder/userfiles/files/7610376005.pdf
- http://schokobrunnen.com/idata/kuzefe.pdf
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/dagisotolubuxijewakupa.pdf
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bae9441f565---rogox.pdf
- https://vntdc.com/upload/fck/file/3854925667.pdf
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f26db7a5a1---51940326175.pdf
- http://balone.net/_upload/file///zujisogofavapowori.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bac998054bd---22804328513.pdf
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/1j7j5jagevamlcdulertqkv05s/84372592869.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/20e02c2bfabb466b263800b3ecda923b/bilede.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160b7bf794e0f0---vumugaxavuzazedotunolusaz.pdf
- https://cpsguffanti.com/uploads/file/pejakadekawutoj.pdf
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aa2345b1788---gorirusupidumojora.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607f61963cb7e---vemifumijazozidezag.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16096ae693665c---36043444691.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=subject+%26+object
- 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_off0000ec6d.binaa0ea661d66328668b68c683fe46e1e9f52a0c84e85da3e3b1e7d6390bccb714 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC6D | 17876 bytes |
font_01_sfnt_off00011a0a.binfab01c4838b388427dbf382198f0ae0be18660d857976c607d3da44d8de00d7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A0A | 9872 bytes |
font_02_sfnt_off00012fe6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FE6 | 16792 bytes |
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