MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and links to compromised CMS upload storage, suggesting it functions as a link farm to distribute further malicious content or phish users. The presence of multiple distinct hosts and the use of 'utm_term' in URLs further support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 https://huntic.ru/uplcv?utm_term=ecole+du+sabbat+en+francais+pdf PDF link annotation
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160fcf0e55065e---28287218072.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160735fc62b817.pdfIn PDF document text
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16070cd75cb2de---fenejafabiv.pdfIn PDF document text
- https://knoxvilleremembers.com/media/64585761466.pdfIn PDF document text
- http://vervesimuhub.com/userfiles/file/55243769594.pdfIn PDF document text
- http://mrs724.ir/basefile/drtiketcom/files/26314049950.pdfIn PDF document text
- https://binarbaidequipment.com/public_html/userfiles/file/2184406072.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/acdf8ae5511b58dde59441c803832c9b/finawanibojesijedabupin.pdfIn PDF document text
- http://sieuthivatlieuhoanthien.com/upload/files/nimelufulozonobeguf.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb265c2773---95715348654.pdfIn PDF document text
- https://galaxy-training.com/userfiles/file/muvabiberajadegodavufefoz.pdfIn PDF document text
- http://metafelix.it/userfiles/files/kolivikososupepifuxixa.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/510bf678b0f25ef5bf2268334cf358f3/pesulolawevanamoseriz.pdfIn PDF document text
- https://dodatnagarancija.com/userfiles/file/guzesujamurejegelixasetex.pdfIn PDF document text
- http://samuiluxurytravel.com/Uploads/file/kixigexede.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16081c5760232e---30807188189.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/161083ef8409ae---wemipotidawik.pdfIn PDF document text
- http://veoguidecostarica.com/ci/userfiles/files/2521811822.pdfIn PDF document text
- http://jamalcar.com/userfiles/file/xikupusovitog.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee434742c90---tafunuwovemi.pdfIn PDF document text
- http://www.malagatour.es/ckfinder/userfiles/files/gisofabufuti.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089be558db61---36510711264.pdfIn PDF document text
- http://jnafarms.com/clients/864068/File/duxulike.pdfIn PDF document text
- https://4cmedica.com/ficheiros_upload/file/43058380730.pdfIn PDF document text
- 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_off0000b887.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB887 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d09e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD09E | 10836 bytes |
SHA-256: 6e8c3ecbf26c4f587fd5c8cbdc86cfab8b0b7c975999d4b3f94173a57e86ec5f |
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font_02_sfnt_off0000e97b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE97B | 17832 bytes |
SHA-256: 5a086e1b3910f600c686261045b14796730f58c7a6c6b195f6b9a80bb43f8a35 |
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