MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains a link farm with numerous embedded URLs pointing to other PDF files, suggesting a phishing or SEO manipulation scheme. No scripts were extracted, but the presence of multiple external URIs and the link farm structure indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
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 http://www.mbk-montage.nl/ckfinder/userfiles/files/kibimu.pdf In PDF document text
- http://caogenzhiben.com/filespath/files/20210915205112.pdfIn PDF document text
- https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/86929788982.pdfIn PDF document text
- http://littlepearlbooks.in/data/eimages/file/91397521060.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/ditebusawozawefivaka.pdfIn PDF document text
- https://speak82.com/_UploadFile/Images/file/gevonenefik.pdfIn PDF document text
- http://benthanhsgfarm.net/images/uploads/files/42205403149.pdfIn PDF document text
- http://backupcenters.com/userfiles/file/61393653066.pdfIn PDF document text
- https://booknowrentalimo.ch/userfiles/files/nuzefenonawepumamebibufa.pdfIn PDF document text
- http://zxpgw.com/userfiles/file/diwoboluxeleronuxixage.pdfIn PDF document text
- http://playitdirect.ca/ckfinder/uploadfiles/files/94797836916.pdfIn PDF document text
- https://artlabjo.com/userfiles/file/6937199530.pdfIn PDF document text
- http://buren-kompanie.de/userfiles/files/9633957522.pdfIn PDF document text
- http://tecniagua.es/uploads/ckfinder/files/sedekasaxagajij.pdfIn PDF document text
- http://owv-sad.de/userfiles/files/mopoxelixonitovavokulalis.pdfIn PDF document text
- http://quantri.thaisonpalacehotel.com/upload/files/4309119512.pdfIn PDF document text
- http://e-kva.ru/admin/ckfinder/userfiles/files/83244111555.pdfIn PDF document text
- http://kondicionery-lobnya.ru/upload_picture/file/gizeromo.pdfIn PDF document text
- http://ginzaoakland.com/uploads/files/podufoki.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/5787023340.pdfIn PDF document text
- https://glbtrader.com/userfiles/file/14428957654.pdfIn PDF document text
- https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/najugewar.pdfIn PDF document text
- http://dailythang.com/userfiles/files/4478447443.pdfIn PDF document text
- http://madinaboys.com/easydo%20v2.00/files/uploads/92415183393.pdfIn PDF document text
- https://b2b-intelligence.it/uploads/file/69196505870.pdfIn PDF document text
- https://misbahelmudii.org/ckfinder/userfiles/files/xurubupi.pdfIn PDF document text
- http://0985028898.kad.tw/kads/ckfinder/userfiles/files/wokowiweloxozerir.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=temple+run+4+apkPDF 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_off0000b388.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB388 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB9F | 10168 bytes |
SHA-256: a8c55483382635537601b15a4b2e82837094b67c0eb109aca247256c52e02695 |
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font_02_sfnt_off0000e255.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE255 | 15692 bytes |
SHA-256: ba8a48413c601e4ec4f5ba67e08b9e9187d98ff00be049c4aac07da13caaeec0 |
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