MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to various domains, many of which are associated with link farms or disposable hosting, suggesting a phishing or redirection scheme. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards an attempt to redirect users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://residencelesaline.it/userfiles/files/40122762859.pdf In PDF document text
- http://bobas24.pl/Upload/file/5540071903.pdfIn PDF document text
- http://portamarioarchitetto.eu/userfiles/files/jegelunagemonajadoxil.pdfIn PDF document text
- http://korvet-sp.ru/userfiles/file/volakudazapuperozaxok.pdfIn PDF document text
- http://landroverbh.com/ckfinder/userfiles/files/xagarinaxibavutogozizaj.pdfIn PDF document text
- http://phulieumaymacbaoco.com/hinhanh_fckeditor/file/45127211307.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613402716fc6e---25077015682.pdfIn PDF document text
- https://denizlihorozu.com/resimler/files/68930549369.pdfIn PDF document text
- https://vzglavniki.net/data/file/20124754022.pdfIn PDF document text
- http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/gesufululov.pdfIn PDF document text
- http://nhac.ditimchanly.org/Images_upload/files/kejaxuzurexu.pdfIn PDF document text
- https://khachsan295doson.vn/namthuan/images/news/files/27340721380.pdfIn PDF document text
- http://hoanggiaphatstone.com/upload/files/xijogov.pdfIn PDF document text
- https://dcoderesearch.com/uploads/bizegiwigakaked.pdfIn PDF document text
- http://kxqcgs.com/filespath/files/20210913060235.pdfIn PDF document text
- http://dungcucaytrong.com/images/files/filirumegutelusuz.pdfIn PDF document text
- https://investincarpathians.eu/app/webroot/media/files/91202085806.pdfIn PDF document text
- http://heorungminhphat.com/luutru/files/zesusijukiwovuwivo.pdfIn PDF document text
- https://o2opr.co/userfiles/files/37634215657.pdfIn PDF document text
- https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/41125630762.pdfIn PDF document text
- https://bunianco.com/other_files/File/5937608640.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5568282e2---pafafixizex.pdfIn PDF document text
- https://bauarch.bg/files/xigov.pdfIn PDF document text
- http://55pluscommunityspecialist.com/userfiles/files/4892986978.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=john+rambo+mortal+kombatPDF 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_off0000e7fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010010.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10010 | 17820 bytes |
SHA-256: 92ba46be909e063503e4b953ecd1967d1d56e9b7b2930426fd2b0ea74aacf2f9 |
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font_02_sfnt_off00012e61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E61 | 10204 bytes |
SHA-256: dfaf7fd276f559a5c8adc74b27ec24426052267604065f1f571c37804f7525b5 |
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