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. It contains numerous embedded URLs pointing to external sites, many of which are hosted on disposable domains and utilize UTM parameters, suggesting a link farm or phishing lure. The PDF structure and embedded content are consistent with attempts to redirect users to malicious websites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://crewmak.ru/uplcv?utm_term=cdma+450+android+phone PDF link annotation
- http://neoneofitou.com/ckfinder/userfiles/files/lowarewef.pdfIn PDF document text
- https://fortworthdental.net/cmsCart/upload/file/kigoli.pdfIn PDF document text
- http://gocep.org/data/userfiles/files/fegibe.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16141fe6077d9c---78139510022.pdfIn PDF document text
- http://inimtrento.it/userfiles/files/89910086324.pdfIn PDF document text
- http://stagegator.scorchmark.com/stagegator/ckfinder/userfiles/files/64340172784.pdfIn PDF document text
- http://etcpremium.com/userfiles/files/28263853383.pdfIn PDF document text
- http://travelport.pl/userfiles/file/61488921134.pdfIn PDF document text
- http://klubalfa.org/img/userfiles/file/dobexuwuzusuwefuk.pdfIn PDF document text
- http://abwnickersonplaza.com/uploads/files/babaxeruropivipuxad.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/gafatetulumexunusiwixibew.pdfIn PDF document text
- https://warsztatgdynia.pl/app/webroot/media/files/14730029627.pdfIn PDF document text
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/85572994298.pdfIn PDF document text
- https://getracemirates.com/userfiles/files/bujutovemorowefoxu.pdfIn PDF document text
- https://whitesal.com/data/images/file/7023_20210902150528.pdfIn PDF document text
- http://djk-winkel.de/images/uploads/file/72724068802.pdfIn PDF document text
- https://cooperadora.grupocreartel.com/documentos/archivos/80610255488.pdfIn PDF document text
- http://z-him.ru/userfiles/file/73301533954.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb7a38622a---58680456967.pdfIn PDF document text
- http://quangcaosms.org/media/ftp/file/nufedafup.pdfIn PDF document text
- http://sibaco.ru/ckfinder/userfiles/files/xiwuverovoso.pdfIn PDF document text
- http://basse-normandie.annuaire-regional.com/ckfinder/userfiles/files/18048392215.pdfIn PDF document text
- https://parvazyab.com/basefile/api203/files/34155710938.pdfIn PDF document text
- https://timavoshipsupply.it/userfiles/file/xejas.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_off0000aff1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFF1 | 15996 bytes |
SHA-256: 065ea9cf715e6b901d461322fa5ce2627657b2e21d9fddc3f1a4e2afce380060 |
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font_01_sfnt_off0000d884.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD884 | 10712 bytes |
SHA-256: 5f13d36c4f3d160bc5a3bf8a46b2631b26ea325a0bc542cd159007d922aaf201 |
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font_02_sfnt_off0000f0e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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