MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains embedded JavaScript and numerous external links, many of which point to other PDF files hosted on various domains. The presence of a 'download button' heuristic and the ML classifier's high confidence score suggest a malicious intent, likely to trick users into downloading further malware. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 8
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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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.yemany.com/yemfiles/files/kubakedifevevunobitibov.pdf In PDF document text
- http://se-ty.com/uploads/userfiles/file/fatepafopeduxavosi.pdfIn PDF document text
- http://morebricks.com/ckfinder/userfiles/files/sulolitanegiput.pdfIn PDF document text
- http://goldmustang.ru/files/files/situj.pdfIn PDF document text
- http://tnslib.net/userfiles/files/84812174616.pdfIn PDF document text
- https://cakesandcupcakes.net/userfiles/files/loriri.pdfIn PDF document text
- http://inannamsao.com/uploads/files/pijitewoxes.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/pafewemiresowikuz.pdfIn PDF document text
- http://slxiang.com/v15/Upload/file/2021929748319693.pdfIn PDF document text
- http://kayapalinakliyat.com/file/nefudiruzesoj.pdfIn PDF document text
- https://aarushimukhwas.idealviews.com/userfiles/files/87076868014.pdfIn PDF document text
- http://shiinamotors.com/js/upload/files/25758898835.pdfIn PDF document text
- http://moscow-vernisage.com/files/files/18477673089.pdfIn PDF document text
- https://matricula.arendic.cl/files/9563158345.pdfIn PDF document text
- https://baigiangtoanhoc.com/upload/files/8811269420.pdfIn PDF document text
- http://abwingscolley.com/uploads/files/vavotazub.pdfIn PDF document text
- http://euromarkcreations.com/new/fck_img/file/38883449888.pdfIn PDF document text
- http://jarauwerdaenzn.nl/userfiles/file/zedagebojipovekakixetiro.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1615a8a0c874f2---jesonurukolugejaranug.pdfIn PDF document text
- http://worldnaturalfood.com/image/upload/File/65769971234.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141eec8a3fa1---japesogara.pdfIn PDF document text
- https://sportuna.be/ckfinder/userfiles/files/53311821950.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=sec+114+evidence+actPDF 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_off0000d1a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1A3 | 18452 bytes |
SHA-256: efd4c6fa38a9cd0a2905d3387b9d01403d0bcab984cf57167230cfeacd485396 |
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font_01_sfnt_off000101f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101F3 | 10200 bytes |
SHA-256: b7c1009182b6a29f4beb8ef1db7ef7181e0dde7bfdf71627800464439a4c08fc |
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font_02_sfnt_off00011913.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11913 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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