MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to potentially malicious PDF files hosted on various domains. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a pattern of using disposable hosting for link farms, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the overall structure and URL distribution strongly suggest a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 http://dalnoboy.org/data/filestorage/upload/files/zexum.pdf In PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5f336241e---13398677575.pdfIn PDF document text
- https://egyseg.eu/ckfinder/userfiles/files/zitufun.pdfIn PDF document text
- https://angkortaxiservice.com/userfiles/file/75096692766.pdfIn PDF document text
- https://floraplant.gr/FCKeditor/userimages/file/wibewirenanetotala.pdfIn PDF document text
- https://chilegastronomia.cl/uploads/userfiles/files/letesavifezuvem.pdfIn PDF document text
- http://rockycheng.com/ckfinder/userfiles/files/pabuduwasizorunoxu.pdfIn PDF document text
- http://thenikharvconsultancy.com/userfiles/file/40665028270.pdfIn PDF document text
- https://nhaccugiare24h.com/uploads/userfiles/file/zipuzegise.pdfIn PDF document text
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/80537366887.pdfIn PDF document text
- http://coeb.eu/userfiles/files/5793958651.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.info/upload/files/48942475783.pdfIn PDF document text
- http://yarpb.ru/pic/userfile/bapekevisuwamika.pdfIn PDF document text
- http://holidayservicemarsala.it/userfiles/files/65310431241.pdfIn PDF document text
- http://saiprogetti.net/userfiles/files/memaloriwavusesofikixeg.pdfIn PDF document text
- http://magyaringatlanadatbazis.hu/dev/_user/file/25691430106.pdfIn PDF document text
- http://vps73.juicy-group.com/editor_upload_image/file/11227712679.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/rcmh2m1bnel2i07ophak7ifb5n/54289028314.pdfIn PDF document text
- http://ohadalegistrocbarter.com/ckeditor/uploads/files/pisajajupuri.pdfIn PDF document text
- http://nenayu.com/filespath/files/20210915160614.pdfIn PDF document text
- http://erictex.com/ufiles/files/27842301231.pdfIn PDF document text
- http://vitalchurchesinstitute.com/files/file/58405183664.pdfIn PDF document text
- https://fruitssupplier.com/app/webroot/img/files/gowonijudaxugax.pdfIn PDF document text
- https://alamansyria.com/userfiles/file/56093701626.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+make+your+snapchat+dark+mode+on+androidPDF 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_off0000d9b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1CB | 11116 bytes |
SHA-256: 73e25fb49013eae37db5c266e4cd879cf7cbbd674dd9bad356afb8fa521690c6 |
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font_02_sfnt_off00010b92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B92 | 17144 bytes |
SHA-256: 3ef8245428f237657c8e65e708869f64bf097b737a5afb3151722f57860111b1 |
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