MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous links pointing to compromised WordPress upload storage, suggesting a phishing or malware distribution scheme. The presence of multiple external URIs and link farms on potentially disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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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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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://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160835d2d25dda---41664520096.pdf In PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdc2e95354---nanamubelajalawitixitom.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/adc79418b9ac3bac9b7136d6595b239b/pepafujigotunuvenarapap.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608642d9733d7---xebiwakija.pdfIn PDF document text
- http://pivotal-technologies.com/userfiles/file/memoluwugedipiwixejuv.pdfIn PDF document text
- https://deepex.hu/hirek/files/xogofusivi.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a15c5fd9b09---sikodoremizilugemum.pdfIn PDF document text
- https://seikico.net/img-tym/files/jifizatuzifunebovezev.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/xagifilipeja.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608816a7d0591---lasefimomisubopad.pdfIn PDF document text
- https://confidence-ist.com/ckfinder/userfiles/files/86286212459.pdfIn PDF document text
- http://intestinalfortitude.org/clients/0/0c/0cf504f131cb0201443a7bd449519f4a/File/jafevedezekutanetufu.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160cb2b73efa6a---pinapez.pdfIn PDF document text
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/b63add05222c15bf99117d253807e458/41164503963.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160798889b17bc---38318504139.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16075c7c7d3a35---89952598149.pdfIn PDF document text
- http://emotionpicturesfestival.gr/userfiles/file/52900428311.pdfIn PDF document text
- https://briljant-maleri.se/UserFiles/files/71167061745.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b28580667---26417511800.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16082149f8f43b---netesebibagajupufobemowu.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/nmvbqlktc7r9uuvl2qekn75rvb/95075649490.pdfIn PDF document text
- http://wingmanresearch.com/userfiles/files/bipelimis.pdfIn PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/dfe1bdc407afbdcc6974373fa5e72636/12605928556.pdfIn PDF document text
- http://a-kamen.com/userfiles/file/kipaxoz.pdfIn PDF document text
- http://hintzfamilyreunion.com/clients/1/12/12a2788c5de59b93c87e4eff35998d4f/File/80404662786.pdfIn PDF document text
- https://airshow-bg.com/file/sapimomasazo.pdfIn PDF document text
- http://sieuthibongda.net/ckfinder/userfiles/files/lalusune.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=secondary+storage+in+computer+organizationPDF 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_off0000f28a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF28A | 17216 bytes |
SHA-256: 328078733245223ddb9f2b4cc7caa88302ca21011f9f72213f878337b547e137 |
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font_01_sfnt_off00011fcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FCB | 11160 bytes |
SHA-256: a5853097c3afd43349d654d8be91d4956557fc44a208b210de2470d7b875c153 |
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font_02_sfnt_off000139c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139C3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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