MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier as malicious. Heuristics indicate it functions as a link farm and a callback phishing lure, prompting users to call a number in a billing or security context. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it is designed to exploit vulnerabilities or trick users into executing a malicious payload, consistent with a phishing or tech-support scam.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://zhuoxinlaw.com/userfiles/file/20210906171032_1446183763.pdf In PDF document text
- http://cluboutletmoto.net/campannas/file/16088097423.pdfIn PDF document text
- http://dishandspoonproductions.com/ckfinder/userfiles/files/32978756076.pdfIn PDF document text
- https://atasuorganiktarim.com/upload/ckfinder/files/57456808616.pdfIn PDF document text
- http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/30397956650.pdfIn PDF document text
- http://szigmetal.hu/editor_up/rupekapi.pdfIn PDF document text
- http://creatinglifeoptions.com/userfiles/files/todekuresol.pdfIn PDF document text
- https://kristaldicarlo.com/userfiles/file/xuvepapifado.pdfIn PDF document text
- https://seikai.jp/free_images/files/jufesuwovefunuxar.pdfIn PDF document text
- http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/41943397966.pdfIn PDF document text
- http://e-sheremet.com/img/26424915724.pdfIn PDF document text
- https://drproperty.in/userfiles/file/31983758844.pdfIn PDF document text
- https://sesconbs.org.br/ckfinder/userfiles/files/98111780676.pdfIn PDF document text
- http://ros.by/ckfinder/userfiles/files/gusogolukigexol.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/5787023340.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161343164272a7---lunexoxebozonevug.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/49122122035bd2d831a3b043a4a3d9f8/30085402850.pdfIn PDF document text
- https://cheeselicious.net/UserFiles/file/zuvejoborul.pdfIn PDF document text
- http://markasib.ru/ckfinder/userfiles/files/govigipaz.pdfIn PDF document text
- http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/81595885166.pdfIn PDF document text
- http://wingmanplanningdemo.com/userfiles/files/77231528651.pdfIn PDF document text
- https://luminex.pl/upload/file/zawudotisot.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=narnia+the+magician%27s+nephew+pdfPDF 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_off00010647.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10647 | 10996 bytes |
SHA-256: 034fbf4e1e9fc934d399e6cbc711dbc99783449f8f77f017d1a995af3fda5c84 |
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font_01_sfnt_off00011f8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F8C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001379e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1379E | 17396 bytes |
SHA-256: c286764072eafb730247de35d676afdc8774ea415be14538a909c1502be049f0 |
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