MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many pointing to disposable domains and configured as a link farm, a common tactic for phishing or distributing further malware. The presence of external URIs and the link farm heuristic strongly suggest an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 5
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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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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://coretry.ru/uplcv?utm_term=shower+thoughts+funny PDF link annotation
- http://urgentcarepb.net/userfiles/file/82867958027.pdfIn PDF document text
- http://penzionnakrizankach.cz/ckfinder/userfiles/files/noxofesuxakomuburaw.pdfIn PDF document text
- https://buffinvestment.com/upload/ckfinder/files/4657965116.pdfIn PDF document text
- https://asharfilalkulfi.com/ckfinder/userfiles/files/jikimuw.pdfIn PDF document text
- http://neoneofitou.com/ckfinder/userfiles/files/87366920276.pdfIn PDF document text
- http://carrozzeriardue.it/userfiles/files/65823520043.pdfIn PDF document text
- http://kastely-vacduka.hu/fileok/file/30416544199.pdfIn PDF document text
- http://pk.mo/userfiles/file/fidup.pdfIn PDF document text
- http://kbautotech.com/board/datafiles/imagefile/dojaketimojajorugivi.pdfIn PDF document text
- http://bonsite.nl/phpcmsys/file/wutovofutosuze.pdfIn PDF document text
- http://eg-connect.com/php_codes/Scott/VieauAssociates/code/userfiles/file/17749529738.pdfIn PDF document text
- https://www.larche-de-jules.fr/ckfinder/userfiles/files/tomotikux.pdfIn PDF document text
- http://yanartextil.com/firma/files/nokozir.pdfIn PDF document text
- http://barcabianca.eu/upload/file/69139855180.pdfIn PDF document text
- http://kehlux.lu/userfiles/files/kerewoditufeteka.pdfIn PDF document text
- https://www.luthier-auxerre.fr/ckfinder/userfiles/files/lobakotifuzabijalamegetu.pdfIn PDF document text
- http://border-collie.ru/sites/default/files/file/xakibunomow.pdfIn PDF document text
- https://thebottombillion.org/business_school/uploads/file/61145863544.pdfIn PDF document text
- http://npi-management.fr/ressource/site-image/files/nalakegadikekivodumanot.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfd4d7f3c8---papelijabe.pdfIn PDF document text
- http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/jifitupatavoxewevaban.pdfIn PDF document text
- https://www.rt9.rspo.org/ckfinder/userfiles/files/48620742765.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_off0000bfa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFA0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d7b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7B2 | 17016 bytes |
SHA-256: 70c81786126053e808e1c77a670921a2b31df1971b0416a0ad968d26b15ddae9 |
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font_02_sfnt_off000102b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102B1 | 10568 bytes |
SHA-256: 38a67d0a96e36aaf0c320ba80eb810bf062334fcac10a919e2342bb892306455 |
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