MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to disposable hosting and are part of a link farm, indicating a phishing or malicious redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to a phishing site or download further malware. No scripts were extracted, but the PDF structure and embedded URIs are sufficient to infer a malicious redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://irlanc.ru/uplcv?utm_term=photo+editor+for+pc+offline PDF link annotation
- http://secohthailand.com/file_media/file_image/file/musesaguligebudi.pdfIn PDF document text
- http://tavio.su/files/file/4902609864.pdfIn PDF document text
- http://enewind.com/pliki/file/laxareforarovekiwinule.pdfIn PDF document text
- http://jwconsult2005.com/file_media/file_image/file/40974071085.pdfIn PDF document text
- http://alcantara.cz/data/file/80715571646.pdfIn PDF document text
- http://burmeseburmilla-allevamento.com/userfiles/files/sojafega.pdfIn PDF document text
- http://abwpetersburg.com/uploads/files/fofepirumidejikopi.pdfIn PDF document text
- https://strategieb2b.ca/userfiles/file/juzilironumumeperi.pdfIn PDF document text
- https://grupo-bahia-real-estate.com/ckfinder/userfiles/files/kisabeguzozogixozevifixij.pdfIn PDF document text
- http://gidromall.ru/img/uploads/file/85083840316.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b400f00dc---fijenipapof.pdfIn PDF document text
- http://przedszkolenisko.pl/userfiles/file/fukivoji.pdfIn PDF document text
- http://dalboncostruzioni.it/userfiles/files/zasalo.pdfIn PDF document text
- http://lifebeachvilla.com/uploads/image/files/34764950137.pdfIn PDF document text
- https://saksisan.com/upload/ckfinder/files/xixakinutekigiradukugi.pdfIn PDF document text
- http://manavpublicschool.org/manav/userfiles/file/fafifewisukozomubikugus.pdfIn PDF document text
- https://fontan-montag.ru/img/upload/12202089750.pdfIn PDF document text
- https://www.prshots.com/ckfinder/userfiles/files/fowinidotunujafaxofik.pdfIn PDF document text
- http://amuseonline.com/absite/userfiles/file/xepegesel.pdfIn PDF document text
- http://daydreamspin.com/userfiles/file/8037718757.pdfIn PDF document text
- http://ohadalegistrocbarter.com/ckeditor/uploads/files/temozadejuzowusikikokowap.pdfIn PDF document text
- https://semut73.com/contents/files/23990738196.pdfIn PDF document text
- http://fluorescent-training.com/file/27955041819.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_off00010a31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A31 | 18408 bytes |
SHA-256: aad82cf5c5766f1ad81d40e60f3988ef764c323b72163f23871ef5ef0476501b |
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font_01_sfnt_off000139f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139F2 | 10388 bytes |
SHA-256: 9f088328df63dbfef8aa4f45e03f12b1c46865130c6fb9b91d1278f275d12faf |
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font_02_sfnt_off0001514f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1514F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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