MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous embedded URLs, many on disposable hosting and using UTM parameters, strongly suggests a phishing or malware distribution campaign. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://nomylo.ru/uplcv?utm_term=a+to+z+mp3+webmusic PDF link annotation
- http://tantex.org/tantex/tantexuserfiles/file/witizuxuzuxelegidoz.pdfIn PDF document text
- http://khachsanmyngoc.com/upload/files/5073592732.pdfIn PDF document text
- https://satyawatioverseas.com/userfiles/file/9272299871.pdfIn PDF document text
- http://gzbaosui.com/uploadfile/files/50754951853.pdfIn PDF document text
- https://dodatnagarancija.com/userfiles/file/lixanopalufer.pdfIn PDF document text
- https://andhimazhai.com/images/files/nuputapukuder.pdfIn PDF document text
- https://traveletrust.com/basefile/traveletrustcom/files/bujabebumo.pdfIn PDF document text
- http://campbellelectronics.com/uploads/rizajunufobug.pdfIn PDF document text
- http://nhungbaithuocnam.com/img-tvdl/files/gusebazagirepajenolutizow.pdfIn PDF document text
- http://robalton.es/Albums/images/file///reporazutejitemu.pdfIn PDF document text
- https://enilubricant.hoakhanh.vn/uploads/image/files/8998142980.pdfIn PDF document text
- http://saconsultancy.com/userfiles/file/42965566900.pdfIn PDF document text
- https://happen.webasl.com/userfiles/file/59932352927.pdfIn PDF document text
- http://dmkert.hu/files/file/vopifolulop.pdfIn PDF document text
- https://smartech.lv/sites/smartech/uploads/documents/files/30138728617.pdfIn PDF document text
- http://osteriadelcampanile.com/userfiles/files/64796217422.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8426999d2---minumoluzijuvilig.pdfIn PDF document text
- http://chinatriage.com/ckfinder/userfiles/files/vedasimufales.pdfIn PDF document text
- http://ylpcl.com/ckfinder/userfiles/files/48361185435.pdfIn PDF document text
- https://stef-nancy.fr/upload/document/fowizoz.pdfIn PDF document text
- http://vibrobeton.by/pics/files/37205238846.pdfIn PDF document text
- https://ultralloy.net/upload/files/nezaragugilusabusi.pdfIn PDF document text
- https://marblobath.com/app/webroot/img/files/tufevibazufef.pdfIn PDF document text
- http://gajagotour.com/UserFiles/file/gujutuxexomozo.pdfIn PDF document text
- http://resumesfromabove.com/userfiles/file/50072797058.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c013bc409e---84589040939.pdfIn PDF document text
- http://mkbeauty.vn/luutru/files/13159693785.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_off0000dfbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7D0 | 20000 bytes |
SHA-256: cd7c07b58424aef1f68a5f9b5d16e33f47719d604a631123e5268bf3989d6ec4 |
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font_02_sfnt_off00012c73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C73 | 10664 bytes |
SHA-256: 134b1479a5f25235c6869647f1db535022f7bc026405a1dea4fca8e1b17b2513 |
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