MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs pointing to various domains, suggesting an attempt to redirect users to potentially malicious websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for multiple links, further supporting a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 https://philabc.ru/uplcv?utm_term=videoder+app+download+new+version PDF link annotation
- http://yourtruck.be/upload/ckeditor/file/getezonobukokurubomi.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/685ses9t1an1re9pilrjfjqul1/borotobuwibezikonofulolo.pdfIn PDF document text
- https://kapokcmassage.com/uploads/files/202109061611303303.pdfIn PDF document text
- http://autoneza.cz/UserFiles/File/wejiwewilazivetew.pdfIn PDF document text
- https://willes-gb.com/uploads/files/202109071238223063.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/34891856433.pdfIn PDF document text
- http://jakpaisanestate.com/images/upload/files/gijomegewod.pdfIn PDF document text
- http://uniquecharacters.com/upload/files/50323569998.pdfIn PDF document text
- https://kmkmekanik.com/upload/ckfinder/files/bogigajonolagoju.pdfIn PDF document text
- http://namuvaldymas.lt/userfiles/file/mizaka.pdfIn PDF document text
- http://terminsk.by/pics/files/70006153022.pdfIn PDF document text
- https://cheesykeju.com/contents/files/26882383629.pdfIn PDF document text
- http://lishasurgical.in/ckeditor/ckfinder/userfiles/files/bexezosudiwaguwubilun.pdfIn PDF document text
- http://worshipedia.net/sites/default/files/file/48894222071.pdfIn PDF document text
- http://3gr-group-com.gbintl.com/ci/userfiles/files/gotebomisefo.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613ecec06a649---zaguvemukizopuwiwax.pdfIn PDF document text
- http://thuduchouse.vn/pics/file/vixuvakoxolivef.pdfIn PDF document text
- https://sakura-bashi.com/uploads/files/202109071901112575.pdfIn PDF document text
- https://komunalno-vrgorac.hr/files/vulizenasetupebevusev.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/46611434906.pdfIn PDF document text
- http://ptk-tent.ru/userfiles/file/39875536269.pdfIn PDF document text
- http://atreve.eu/ubezpiecz/obrazy/file/goxuvutowetej.pdfIn PDF document text
- http://trungtamsangloc.vn/uploads/ck_upload/files/86942579155.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_off0000db03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB03 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f315.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF315 | 18080 bytes |
SHA-256: 639b94972bd4a791c8f017aa3903bbf2589af6117ca0126d3124a805697eabac |
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font_02_sfnt_off00012187.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12187 | 10408 bytes |
SHA-256: 1b3d8eea5172d6736876c666409335a29ad88be61b882d31a328db8215fa8e76 |
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