MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier. It contains a large number of external links, many pointing to disposable domains, indicating a link farm designed to obscure the true destination. One of the URLs, https://synerhu.ru/uplcv?utm_term=samsung+s9+vs+iphone+se+2020, suggests a potential lure related to mobile device comparisons, possibly for phishing or directing users to further malicious content. No scripts were extracted, but the PDF structure and numerous URLs strongly suggest a phishing or content-luring attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://synerhu.ru/uplcv?utm_term=samsung+s9+vs+iphone+se+2020 PDF link annotation
- http://seoulsquare.com/userfiles/file/28714879948.pdfIn PDF document text
- http://hanyangsteel.com/files/fckeditor/file/28833530061424106cfead.pdfIn PDF document text
- http://formpart.com/upload/ckfinder/files/kawijamukogamuzexidizow.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/d78e90bafe4f3e5c7b2a612e46cdcf38/semudub.pdfIn PDF document text
- http://datacomsystems.cz/userfiles/file/6905864474.pdfIn PDF document text
- http://shinaval.ru/userfiles/file/84870775485.pdfIn PDF document text
- http://cowmoo.org/ckfinder/userfiles/files/bewadu.pdfIn PDF document text
- https://anbc31.iscriptscloud.com/app/webroot/files/file/79227929748.pdfIn PDF document text
- http://kppzp.pl/userfiles/file/fawalomisawuwokanu.pdfIn PDF document text
- http://studiofelician.com/userfiles/files/jonokanezipakapetabinimuk.pdfIn PDF document text
- http://manhchenang.vn/webroot/img/files/guxozikepatewu.pdfIn PDF document text
- http://interface-referencement.com/userfiles/file/33226231620.pdfIn PDF document text
- https://mar3ol.com/Files/files/jodumedetoxox.pdfIn PDF document text
- https://zoldlaptop.hu/ckfinder/userfiles/files/31529881061.pdfIn PDF document text
- http://twfindia.in/userfiles/files/gigurirawaxubaserixinuvit.pdfIn PDF document text
- http://namadagaskare.ru/ckfinder/userfiles/files/56183663155.pdfIn PDF document text
- https://datawire.gr/files/files/menesepikonow.pdfIn PDF document text
- http://eastcity.hu/ufiles/file/14292894267.pdfIn PDF document text
- http://www.petersonassoc.com/emailimages/file/tivixavegi.pdfIn PDF document text
- http://boldogelet.hu/media/sowopof.pdfIn PDF document text
- https://premium-house.uz/images/file/10287055118.pdfIn PDF document text
- http://petrduchek.com/files/27594488706.pdfIn PDF document text
- http://ebd.su/UFD/7623/files/susuzajoribizu.pdfIn PDF document text
- https://jgranit.pl/userfiles/file/poxuzuneregunikejaruzo.pdfIn PDF document text
- http://pabxlg.com/userfiles/file/16582847047.pdfIn PDF document text
- http://eatoceanic.iorderfoods.com/uploads/files/loponimidumimugumebore.pdfIn PDF document text
- http://profstil.az/userfiles/file/30872351538.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_off0000e2f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2F4 | 18344 bytes |
SHA-256: 75d1828886b209836fbbfe607c806de2fc475ecebdae3e98b9dd20c5d7739870 |
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font_01_sfnt_off0001129c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1129C | 11108 bytes |
SHA-256: 91456221433bc33cbd2c932839ae051e5a6bf2c99a7018ba5344b78a545a80c8 |
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font_02_sfnt_off00012c5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C5B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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