MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress sites. These links form a link farm, a common technique used to distribute malware or redirect users to phishing sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://kartinatv.org/uploads/files/1482168278.pdf In PDF document text
- https://bio-obst-und-gemuese.de/userfiles/file/raxag.pdfIn PDF document text
- http://www.cafeinca.com/img/public/contenido/file/69939778743.pdfIn PDF document text
- http://gymostrov.org/gymostrov/userfiles/file/79042303294.pdfIn PDF document text
- http://treeoflifetolfu.com/clients/0/07/07f122ebb3396bb3f917f2e62af81596/File/demoxu.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e41c3dce84e---71644696443.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/5df3a13339244b1cd0e37a1e431be479/makelosamanarifaruwozo.pdfIn PDF document text
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/f6ed33368361c7c57e2925e418ad5e7e/53979618134.pdfIn PDF document text
- http://thebrownsfamilyreunion2008.com/clients/81208/File/4348787330.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160e31b5bd8380---44846684365.pdfIn PDF document text
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/0tstmogco79qu9f5dntcdn792q/62454746451.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/sg98gff15j47imcusgpssj5epr/kabuzaleturewijita.pdfIn PDF document text
- http://grandrosso.com/js/upload/files/51891523729.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085292fd816e---nedotiwemusajudididimixow.pdfIn PDF document text
- http://www.aportecnica.com/imagenes/editor/file/54200927752.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa0e57c053---lijenuboxorudubibuzur.pdfIn PDF document text
- http://valleypainclinic.org/userfiles/file/3482886016.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/oqpq59qk9mdnn1k2s9q3b93mj2/rumuxinovesixe.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/e5smkkmova2p255s9h1uhkd92t/zojemenivokudefolusarup.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/63789838544.pdfIn PDF document text
- https://dynasty888.com/image/files/20210613_113340.pdfIn PDF document text
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/panakibilazude.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=letras+de+abecedario+minusculas+para+imprimir+y+recortarPDF 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_off0000ddb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB8 | 10984 bytes |
SHA-256: 5ffe4bc0e521b6fab34446878bb987f904d870d344d3becdf315b05665f74873 |
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font_01_sfnt_off0000f6fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6FC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010f0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F0E | 17988 bytes |
SHA-256: 984a57f77ec6fe92a191e0decf7b3b1eda56fbea166d67e46bd87aab3ee0d575 |
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