MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to external domains, many of which are likely part of a link farm designed to obscure the ultimate destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests these URLs are used to redirect users, a common tactic in phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://queure.ru/uplcv?utm_term=tok+presentation+sample PDF link annotation
- https://highlander-inn.com/assets/userfiles/files/kadomapigezotewal.pdfIn PDF document text
- http://geostudio.eu/userfiles/files/jonobimefeguxud.pdfIn PDF document text
- https://mimpishio1bet.net/contents/files/tofevomonivinibopo.pdfIn PDF document text
- http://af.ssla.ru/images/fornews/files/85039107379.pdfIn PDF document text
- https://k-barrierfree.com/FileData/ckfinder/files/20210909_2D3F3DB9ADBC038E.pdfIn PDF document text
- http://ijfbn.com/editor_up/laxubisawilijawikedujote.pdfIn PDF document text
- https://dreamscapes.ca/dream_scapes/userfiles/files/rivumaliwivedodaxar.pdfIn PDF document text
- http://okzawidow.pl/img/upload/files/80824697398.pdfIn PDF document text
- http://myucpb.com/userfiles/file/zazogoluj.pdfIn PDF document text
- https://auditorescr.com/ckfinder/userfiles/files/37992553863.pdfIn PDF document text
- http://iccjsc.com/images/uploads/files/3878503079.pdfIn PDF document text
- https://www.sherpachristain.org.np/ckfinder/userfiles/files/vebetixanu.pdfIn PDF document text
- http://mamnonsaokhue.vn/app/webroot/files/ckfinder/files/gumopagikoxowalof.pdfIn PDF document text
- http://trungtamdaykem.vn/Images_upload/files/37499542367.pdfIn PDF document text
- http://s-pack.kr/userfiles/file/20210907051116.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/86050249499.pdfIn PDF document text
- http://kondicionery-shodnya.ru/upload_picture/file/74619496472.pdfIn PDF document text
- http://elcampoeco.org/FCKeditor/file/pibezu.pdfIn PDF document text
- http://underbutter.cz/download/foto/jekitatuzupinirofino.pdfIn PDF document text
- http://abnigakgdsg.friendship-match.com/upload/files/94564135459.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131fc5ab103c---gabeketekafijowipitupu.pdfIn PDF document text
- https://gastrotest.co/ckfinder/userfiles/files/dalojiwovosekimazapijikap.pdfIn PDF document text
- http://rld-carbon.com/file/11696066383.pdfIn PDF document text
- http://www.nena-artspace.com/ckfinder/userfiles/files/vurazu.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_off0000e6f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6F6 | 18000 bytes |
SHA-256: b97e175c5311b66611536808e204747d13cf0b316796763ccc4e635004008ae7 |
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font_01_sfnt_off00011586.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11586 | 10468 bytes |
SHA-256: 16ebf8b34a1633acc22b6e88e11ebea297a32e2a63d2e7d3ebf8d808aa215e02 |
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font_02_sfnt_off00012d4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D4A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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