MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV and an ML classifier as malicious. It contains numerous embedded URLs, many pointing to compromised websites or link farms, suggesting a phishing or malware distribution attempt. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a pattern of using disposable hosting for link farms, further supporting malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://inwebjor.ru/uplcv?utm_term=how+to+print+selected+pages+in+pdf+mac PDF link annotation
- http://ogledalata.bg/uploads/pages/files/torupisogosufejisonitakax.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/dc528254db84d9acd992374d3e7747ea/livizofezuzives.pdfIn PDF document text
- http://lonniestireandauto.com/nbloom/fckuploads/file/vinitunetufilibekogava.pdfIn PDF document text
- http://chatyzvule.cz/uploads/tusum.pdfIn PDF document text
- http://baove247.org/upload/files/9439466238.pdfIn PDF document text
- http://skazka76.ru/pic/userfile/66741622760.pdfIn PDF document text
- http://nhatngungoisaoxanh.com/upload/files/dijepibuvewovogeweto.pdfIn PDF document text
- http://suaups.net/userfiles/file/miwukutoj.pdfIn PDF document text
- http://ccsl.asia/files/xeruxewufixorabix.pdfIn PDF document text
- http://isystemlab.com/admin/ckfinder/userfiles/files/roluzitusavakexatodar.pdfIn PDF document text
- http://kstarsmall.net/userfiles/file///jenodatejibav.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614338f3dc6aa---42770130285.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2cb75973e---wexeziporub.pdfIn PDF document text
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/17460700313.pdfIn PDF document text
- https://cargotavio.ru/files/file/97297995577.pdfIn PDF document text
- https://palcev.ru/userfiles/file/54209402020.pdfIn PDF document text
- http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/68150845911.pdfIn PDF document text
- https://oferta.lt/i/File/bivinexepolerikudowoxapi.pdfIn PDF document text
- http://synthecinter.com/userfiles/files/31609813314.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614555faebd24---41426400775.pdfIn PDF document text
- https://blokhol.com/upload/files/wigosatasof.pdfIn PDF document text
- http://bdsps.org/slbdavbatala/userfiles/file/30542813179.pdfIn PDF document text
- https://chuyennhakienvangvn.net/upload/files/4971774956.pdfIn PDF document text
- http://neoneofitou.com/ckfinder/userfiles/files/zipatajuxefuxiwemakiv.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_off0000da4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA4F | 18632 bytes |
SHA-256: cab0dacdb20b0280bce44aa3326843f3418baacc8cb61260fcfd03dc30a35847 |
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font_01_sfnt_off00010a92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A92 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000122a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122A9 | 11040 bytes |
SHA-256: cf221cf2eadcb33306f183a9cffcd8b3683c41e54d81cee123a75a520fc28a32 |
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