MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, indicating it is designed to redirect users to malicious websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests a large number of links hosted on disposable domains, reinforcing the phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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 https://infrive.ru/uplcv?utm_term=instagram%2B%2B+view+private PDF link annotation
- http://anpharma.net/upload/files/10046614504.pdfIn PDF document text
- http://lawyermo.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/75784009276.pdfIn PDF document text
- https://sitpchemcieszyn.pl/_sitpchem/file/27557490619.pdfIn PDF document text
- https://easresidence.ro/app/webroot/files/userfiles/files/zuker.pdfIn PDF document text
- http://enjoyisagenix.com/ckfinder/userfiles/files/gubonurobiva.pdfIn PDF document text
- http://debsecond.net/UserFiles/File/kizokad.pdfIn PDF document text
- http://nwatchonline.com/userfiles/file/14029510376.pdfIn PDF document text
- https://soudurelauziere.ca/upload/editor/file/sarota.pdfIn PDF document text
- http://phongkhamthienhoa.vn/images/files/13858629917.pdfIn PDF document text
- https://chatham-ebenezer.ckdomain.com/uploads/userfiles/files/wanaridijegok.pdfIn PDF document text
- https://ryokanclub.com/FileData/ckfinder/files/20210918_64113DA06FF1F10A.pdfIn PDF document text
- http://beamstraffic.ae/amb/userfiles/file/82322549748.pdfIn PDF document text
- https://demetraproject.eu/ckfinder/userfiles/files/kupirirubokuxaval.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bb1eca2e7---fugikobi.pdfIn PDF document text
- https://abbma.in/admin/uploads/file/23870302302.pdfIn PDF document text
- http://35ct1.com/images/ckImageFiles/files/finezukolumi.pdfIn PDF document text
- https://rentcar888.com/uploads/files/202109051801026829.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210906194920551.pdfIn PDF document text
- https://weilmclainboiler.ca/fck_upload/file/4528347790.pdfIn PDF document text
- http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/zibibiwomox.pdfIn PDF document text
- http://dharmapuridiocese.com/svnprojects/DHD/Source/images/files/86152525818.pdfIn PDF document text
- https://a-1commercialkitchenservices.com/ckfinder/userfiles/files/3184631385.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613139c503746---nefarisumedunub.pdfIn PDF document text
- http://kiko168.com/UploadFile/file/20210903092924118.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_off0000dc7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC7B | 10532 bytes |
SHA-256: 293b3d461c998d5056689c590fdbaf8d0cec85a505bc0f8a8f6617ca218680ec |
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font_01_sfnt_off0000f47c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF47C | 18788 bytes |
SHA-256: 1e2b7b2277b651fe06cfcfd65682110ac29f60c5d8b4114a6d656df59dab2aac |
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font_02_sfnt_off0001248b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1248B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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