MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, with one specifically identified as a potential download link. The 'SE_CALLBACK_LURE' heuristic suggests a phishing or tech-support scam pretext. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://queure.ru/uplcv?utm_term=mcb+app+download+apk PDF link annotation
- http://parfumland.sk/upl/jenuxodezenofonuvi.pdfIn PDF document text
- https://www.la-melodie-des-saveurs.fr/ckfinder/userfiles/files/gidizoxodagopotogimaj.pdfIn PDF document text
- https://tranthachcaodanang.com/uploads/image/files/zekinuz.pdfIn PDF document text
- http://clubmaniacr.com/campannas/file/tokinumekelewomakenej.pdfIn PDF document text
- http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/masadonaxeri.pdfIn PDF document text
- http://maekalocal.com/Maeka/UserFiles/File/dokifuduf.pdfIn PDF document text
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137158a2f9cd---44748007733.pdfIn PDF document text
- http://kcntanduc.vn/img_duhoc/files/4470765683.pdfIn PDF document text
- http://lukinserv.hu/file/62588558271.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613d04e447064---81142740469.pdfIn PDF document text
- http://saiprogetti.net/userfiles/files/79868616312.pdfIn PDF document text
- http://easyreturn.store/userfiles/file/1015630518.pdfIn PDF document text
- http://webminmax.com/userfiles/file/69373368891.pdfIn PDF document text
- http://www.og2c.com/images/file/79212371932.pdfIn PDF document text
- http://t-cso.com/upload/file_folder/file/472420195.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/73592234387.pdfIn PDF document text
- http://russia-ex.com/images/blog/file/48379902699.pdfIn PDF document text
- https://senarathgroup.lk/assets/media/file/xikomojovuwajuzigaj.pdfIn PDF document text
- https://datenglagi.com/contents/files/72420455356.pdfIn PDF document text
- http://kerekesvillszer.hu/UserFiles/file/29611438784.pdfIn PDF document text
- http://archpiudue.com/userfiles/files/mapefuxigaf.pdfIn PDF document text
- https://cbdc.co/uploads/ckfinder/userfiles/files/59246351180.pdfIn PDF document text
- http://namadagaskare.ru/ckfinder/userfiles/files/zorezubu.pdfIn PDF document text
- http://yavuzselimvakfi.org/resimler/site/files/bamexowigifira.pdfIn PDF document text
- http://parfumland.sk/upl/97368835559.pdfIn PDF document text
- http://ducthanggroup.com/webroot/img/files/42026572908.pdfIn PDF document text
- http://administratieindex.nl/images/uploads/96814712303.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_off0000cf48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF48 | 10228 bytes |
SHA-256: 4f5f0bda6598f96e390dd3890e7bc80e382b146a9b14888315be1ffd6647d1ec |
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font_01_sfnt_off0000e62e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE62E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fe40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE40 | 19288 bytes |
SHA-256: f75776475afe4d6e001bc0d272c33bdb2097d247a59714658b3f9a258356c5f9 |
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