MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs that point to other PDF files hosted on various domains, suggesting a link farm designed to distribute malicious content or phish for information. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior. While no scripts were explicitly extracted, the nature of the embedded URLs and the overall structure points towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://jongauger.com/ckfinder/userfiles/files/63718083621.pdf In PDF document text
- http://solmoda.it/userfiles/files/finigimenokotezujizudinun.pdfIn PDF document text
- http://franzoesischebulldoggen.eu/userfiles/file/44370247067.pdfIn PDF document text
- https://santaclara.com/wysiwygfiles/file/50426794505.pdfIn PDF document text
- http://mama-care.com/UserFiles/file/zujowaxixojasejafixux.pdfIn PDF document text
- http://originalbau.hu/imagesfiles/14271088992.pdfIn PDF document text
- https://www.hkha.org/ckfinder/userfiles/files/93693479151.pdfIn PDF document text
- https://sagarexpress.com/userfiles/file/78319428839.pdfIn PDF document text
- https://interno-kazan.ru/upload/files/11539957237.pdfIn PDF document text
- http://officegate.biz/admin/fck_upload/file/fajajenanofet.pdfIn PDF document text
- http://rszm88.com/upfolder/e/files/20210904235219.pdfIn PDF document text
- http://dolphinegypt.net/userfiles/file/mabelulowata.pdfIn PDF document text
- http://hgbs.de/userfiles/file/20045765901.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcca75c29c---47875703645.pdfIn PDF document text
- http://cs-web-design.de/ablage/userfiles/files/79097111433.pdfIn PDF document text
- http://alpinist.store/sribati/editor/uploadfiles/ganofesenijojomatu.pdfIn PDF document text
- https://almuhja.net/ckfinder/userfiles/files/kasusigematol.pdfIn PDF document text
- http://interroadholland.nl/userfiles/file/tapogukaxuxuxipikigeta.pdfIn PDF document text
- http://pogotowienaukowe.com/Upload/file/55605747823.pdfIn PDF document text
- https://teater77.nl/userfiles/file/6807245944.pdfIn PDF document text
- http://freetourscadiz.com/ckfinder/userfiles/files/97167594253.pdfIn PDF document text
- http://sinostandards.net/upload/files/4104648665.pdfIn PDF document text
- http://orenprom.com/img/account/file/90571236600.pdfIn PDF document text
- http://taispacedesign.com/upload/files/garigilemokelomariwupa.pdfIn PDF document text
- https://rts-wm.com/ckfinder/userfiles/files/mujuz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=the+chimp+paradox+book+pdf+free+downloadPDF 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_off0000d246.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD246 | 11004 bytes |
SHA-256: e9d83ac570861a808c4b12a9b7a21102dd1e6d1e38f719207d89227a710cfc6a |
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font_01_sfnt_off0000eb6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB6B | 18336 bytes |
SHA-256: f438aa2a6bc3eb64cfaba859529220af9ff913c6be63561ac58e9a1da664fa51 |
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font_02_sfnt_off00011abd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ABD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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