MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of numerous external URIs, many pointing to disposable hosting and forming a link farm, suggests a tactic to manipulate search engine results or distribute further malicious content. The ML_NYX_PDF_MALICIOUS heuristic and ClamAV detection strongly support the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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 http://daehwa.info/uploaded/file/rozulagusagenomet.pdf In PDF document text
- https://safewatersolutions.in/ckfinder/userfiles/files/29984363857.pdfIn PDF document text
- http://www.fashiongale.ro/userfiles/files/sixewujoloke.pdfIn PDF document text
- http://casavacanzesanvito.eu/userfiles/files/45818206291.pdfIn PDF document text
- https://happyfun.tw/uploads/files/202109090320159757.pdfIn PDF document text
- https://luckyfood.itweald.com/uploads/files/613853c45ced8.pdfIn PDF document text
- http://rockefellersgold.hu/editor_up/21652349623.pdfIn PDF document text
- https://xn--72ca1bzcdf9cg5df4n5a8cei.com/userfiles/files/kisutep.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137e9a5b967b---kititevapik.pdfIn PDF document text
- https://poulinstrapscan.com/userfiles/file/tudus.pdfIn PDF document text
- http://stagegator.scorchmark.com/stagegator/ckfinder/userfiles/files/6533900966.pdfIn PDF document text
- https://asiantms.com/ckfinder/userfiles/files/11850829451.pdfIn PDF document text
- https://anfauglir.com/images/file/15303195052.pdfIn PDF document text
- http://ih-consultant.com/ckfinder/userfiles/files/93057446240.pdfIn PDF document text
- http://studiofranzoni.eu/userfiles/files/26409385270.pdfIn PDF document text
- https://yuanfuconstruction.com/ckfinder/upload/files/50178031974.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161320c48b497f---fusutudiwomenobefuxogatu.pdfIn PDF document text
- http://saatgaamkansarasamaj.com/admin/uploads/files/nokaxunepipokaji.pdfIn PDF document text
- http://turskazka.ru/ckfinder/userfiles/files/padowunitafanifivukusub.pdfIn PDF document text
- https://ibexquimica.com.br/ckfinder/userfiles/files/77887379704.pdfIn PDF document text
- http://shiokuda1.com/contents/files/92032555014.pdfIn PDF document text
- http://club-integra.ru/userfiles/file/jezuv.pdfIn PDF document text
- http://optykglowacki.pl/obrazki/files/82070968083.pdfIn PDF document text
- http://sz-nuoyi.com/Upload/file/2021090820205411822.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=pokemon+go+hack+for+iosPDF link annotation
- 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_off0000be8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE8F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d6a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6A6 | 10732 bytes |
SHA-256: a05b5228514d956f6722f5bf96a41106445653dd2397978a68fab11ae4a9fd4e |
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font_02_sfnt_off0000ef1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF1E | 16936 bytes |
SHA-256: 7468d673e5608899c6e57bd01054cbca05fea6032b43766138db44ef68651dca |
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