MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting it's used to redirect users to potentially harmful websites. The presence of embedded URLs and the PDF structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://wastran.ru/uplcv?utm_term=battery+applications+for+android PDF link annotation
- http://musicpark-live.com/userfiles/file/dugotorowubatakalive.pdfIn PDF document text
- http://exdebt.bg/userfiles/file/23076152943.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/2798042290.pdfIn PDF document text
- https://traffictkt.com/viking1/uploads/files/kudub.pdfIn PDF document text
- http://wx-test.com/upload/ckimg/files/202109211237108102.pdfIn PDF document text
- http://only-svet.ru/upload/files/vorusexafugag.pdfIn PDF document text
- https://travelone.ae/userfiles/files/tiwepitowefo.pdfIn PDF document text
- http://minhnguyenvn.com/uploads/userfiles/file/66737984881.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161495722d0b5c---64917450511.pdfIn PDF document text
- http://utcsp2.rustyramone.com/uploads/files/fatabajabupedabokivaba.pdfIn PDF document text
- https://rockeit.com/userfiles/file/33770286306.pdfIn PDF document text
- http://transbur.ru/admin/ckfinder/userfiles/files/11916492481.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/zenoliketusutekizev.pdfIn PDF document text
- http://sooclose.eu/upload/File/bezumev.pdfIn PDF document text
- http://trendstyleimage.com/uploads/ckfinder/userfiles/files/41561331136.pdfIn PDF document text
- http://naturalmis.com/userfiles/file/pipagagifavabisusaxisi.pdfIn PDF document text
- http://ysenb.kr/board/file/editor/file/27352101272.pdfIn PDF document text
- http://www.macrolepidoptera.hu/userfiles/files/32789177026.pdfIn PDF document text
- https://floridahouselottery.com/test/userfiles/file/15264950056.pdfIn PDF document text
- https://ryokanclub.com/FileData/ckfinder/files/20210923_6C7BDDD2C01A4F50.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1614b3671733ae---16327750754.pdfIn PDF document text
- https://marwaautorepair.com/nbloom/fckuploads/file/65031843417.pdfIn PDF document text
- http://sbcnepal.com/images/file/gitukajimajif.pdfIn PDF document text
- http://aci-immobilier-douai.fr/userfiles/files/renilipiboxifasademisox.pdfIn PDF document text
- http://czytamzezrozumieniem.pl/userfiles/file/xetilezamewulesalonoz.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_off0000cba7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBA7 | 10780 bytes |
SHA-256: e056ef56d81785e1ad17da666d02733c4da7f459002f03614df5cfe2fa2e0928 |
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font_01_sfnt_off0000e4a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4A4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fcb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCB6 | 17388 bytes |
SHA-256: 38417eb7b5c5efae93f23feea4aa29a3847cb1e9bceecba104bff49da542ebab |
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