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 ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Several heuristics point to the PDF acting as a link farm, directing users to potentially compromised or disposable hosting sites. The presence of numerous unknown URLs suggests a phishing or credential harvesting attempt, or a distribution point for further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://dep14kirov.ru/userfiles/file/15355064257.pdf In PDF document text
- https://miaousland.fr/ckfinder/userfiles/files/wipugipiw.pdfIn PDF document text
- https://krossi.ru/images/content/files/lutamagor.pdfIn PDF document text
- http://aibasavar.edu.bd/app/webroot/ckfinder/userfiles/files/mitekevekoworepalo.pdfIn PDF document text
- https://ljlconst.com/admin/images/file/rexixuzediwojenituxulofan.pdfIn PDF document text
- http://gesundimjob.at/images/content/files/nevij.pdfIn PDF document text
- http://hausdergesundheit.net/userfiles/files/85077568351.pdfIn PDF document text
- http://alefart.ru/admin/ckfinder/userfiles/files/fetukokukobor.pdfIn PDF document text
- http://bburago.info/admin/fckeditor/userfiles/file/55852814501.pdfIn PDF document text
- http://qqwandai.com/uploadfile/file/bagurozovofosuvifusulare.pdfIn PDF document text
- http://www.sosonomo.com/ckfinder/userfiles/files/52094361462.pdfIn PDF document text
- http://kmbb.at/userfiles/file/vagojomewusotawegovogam.pdfIn PDF document text
- http://tajesink.com/Uploadfiles/files/14120144374.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f44e44c053---vevirusakaxabig.pdfIn PDF document text
- http://beming.com/ressource/site-image/files/2128639442.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/1d3020daaf0e75ed89534192360dff70/33841714505.pdfIn PDF document text
- https://drbumbnursinghome.in/ckfinder/userfiles/files/samabuw.pdfIn PDF document text
- http://thegioituigiay.net/uploads/files/50259069970.pdfIn PDF document text
- https://drisraadentalcenter.com/userfiles/file/92343903457.pdfIn PDF document text
- http://jayeonrak.com/upfile_editor/2021/files/vavizujoserobonopa.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7ab8687cd---kusanadonavoperulabukos.pdfIn PDF document text
- http://bedrucken24.de/userfiles/file/fototoxox.pdfIn PDF document text
- https://barrier.exma.cl/ckfinder/userfiles/files/pevukaxomixuva.pdfIn PDF document text
- https://cet.sk/res/file/52400017106.pdfIn PDF document text
- http://nakamurasangyou.jp/app/webroot/uploads/files/jemevizoterupusososi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=piano+man+piano+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_off0000e9af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9AF | 22548 bytes |
SHA-256: 565b8245464df0a9736a2ede4dbbd880050562b96672c657aa8164439af05b48 |
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font_01_sfnt_off0001265e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1265E | 10116 bytes |
SHA-256: 0322a2f52d05df6dc44446850dd00675f0148668d7197bbce15702a9db516af1 |
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font_02_sfnt_off00013cce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CCE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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