MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or SEO poisoning attack. While no scripts were directly extracted, the nature of the links and the detection suggest it's designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://lesartsdansmonjardin.com/userfiles/file/20210518191904.pdf In PDF document text
- http://fitnessklub-impuls.pl/uploads/assets/file/vumipuzapebop.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3f5a8e008---gupixo.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/734f06332e092e0e5bdf6c7692ec0d52/radorunexoxodaj.pdfIn PDF document text
- https://aluminiosarla.com/userfiles_arla/files/79580275042.pdfIn PDF document text
- https://mannerfeltdesignteam.se/ckfinder/userfiles/files/tomawusagovar.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/514373a83e2f0d4ec78116964a1afd13/leribiludotepovi.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/2s4ha27bjaorsps8aq5a6jo422/zelabomavinulujalizaropa.pdfIn PDF document text
- http://www.ddu-hk.cz/ckfinder/userfiles/files/kizugewis.pdfIn PDF document text
- http://carneslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zegixiwivagutup.pdfIn PDF document text
- http://www.corazondelsol.es/ckfinder/userfiles/files/74412752118.pdfIn PDF document text
- http://ideviceplus.be/app/webroot/files/userfiles/files/8646670231.pdfIn PDF document text
- http://grupopiscis.com/upload/files/juxixanenipodogolu.pdfIn PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/e29d9194098a35bc403bcbf65d1550a1/37619200956.pdfIn PDF document text
- http://kingalbertltd.com/uploadedfiles/file/nikonofitewufajuwegose.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160909d67b4b72---26149374366.pdfIn PDF document text
- https://tepihtrava.rs//files/24528547713.pdfIn PDF document text
- http://videofilm-tv.ru/content/File/86324817469.pdfIn PDF document text
- https://myupfield.link/wp-content/plugins/super-forms/uploads/php/files/kmeucd4rlmc3eec8vqlsl5gog4/zanesavifabilab.pdfIn PDF document text
- https://jordanadams.com/ckfinder/userfiles/files/vomosalotidubudo.pdfIn PDF document text
- http://betaempire.com/uploads/userfiles/file/file/76001124404.pdfIn PDF document text
- https://butagallery.com/userfiles/files/tukiwavejidovedemazijadi.pdfIn PDF document text
- http://cimkezes.hu/uploads/ckfinder/userfiles/files/forenorasaguvok.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160bc1127cd9cd---38265685518.pdfIn PDF document text
- http://jandebruijn.com/uploadimages/files/jemusewemofibedekixape.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=collection+tongue+twister+english+pdfPDF 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_off0000b7de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7DE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cff0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFF0 | 15700 bytes |
SHA-256: 6e3376d92dd3899954df21b5f05d1bf6509a929dd0303ed3e81effc22d3800eb |
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font_02_sfnt_off0000f737.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF737 | 10952 bytes |
SHA-256: 8bed3d14e004ffa3195bd502060e5844234c29523a452b48061a5e27d47ab072 |
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