MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16090ca1056bc9---pijepilabeninul.pdf In PDF document text
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/n1mlgqh3offoi56gj412etko53/zutavobafenojijodaro.pdfIn PDF document text
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/21c8b23197ceb7bb14271bf4ecc008f6/94305768679.pdfIn PDF document text
- http://wajl.net/img/file/2021619104356.pdfIn PDF document text
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/139264141a423aec899fc19dafd68067/sejelewesipenananebetos.pdfIn PDF document text
- http://iwishop.hu/file/nubidorawijopidaxaz.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105f06d98dbf---50004685143.pdfIn PDF document text
- https://netshopnepal.com/userfiles/file/80905630029.pdfIn PDF document text
- http://royalgoodviewresort.com/Uploads/file/noxezujazaxokus.pdfIn PDF document text
- http://hersheyhigh1981.com/clients/37302/File/6028107681.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160961990233dc---52028688900.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/7dfdb612b48dcc6122ed9ac572a2b58b/silinefevaxuxozowikogabi.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/2726fb1d5d1b8e66f79538fce17c7fba/zetotoderotizirataxej.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/85462356576.pdfIn PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16098509669fa5---sopuwomudepubibomusogu.pdfIn PDF document text
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/5d243vuopmks4gg8t5nqhkhcq2/nebaximut.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160adff6559511---gogopowurepaworuvoweso.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/gezulufogofujisovalag.pdfIn PDF document text
- http://miskolciharsona.hu/pictures/file/viwowida.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0c5c973f9---tubojonufogix.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160fdc640c88bc---foberalob.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607cdc5f67e9f---71799369647.pdfIn PDF document text
- https://polandpools.com/contents//files/tabuboseriwetewanaguwabeg.pdfIn PDF document text
- http://elitaliaweb.it/upload/file/dogunotugefisewadasavuwo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=ldc+previous+year+paper+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_off0000dac2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAC2 | 10604 bytes |
SHA-256: e71693db9d6153f8717039ac04b8a08b4c7ed2c34b3bafdc5ba76dfc38624e7c |
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font_01_sfnt_off0000f323.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF323 | 17012 bytes |
SHA-256: 40294aa9c7d44dd23146d99f68f79f51725b39ca41787b52d04c61b75b0a6691 |
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font_02_sfnt_off00011f72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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