MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of numerous embedded URLs, many pointing to disposable domains and configured as a link farm, suggests a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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.rafaellucenaehijos.com/ckfinder/userfiles/files/82510004884.pdf In PDF document text
- http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kibefogebofud.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/161369543e66e0---19949063393.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137ffa83fe0d---xabujiminuberoz.pdfIn PDF document text
- http://whatifitspossible.com/ckfinder/userfiles/files/67862786369.pdfIn PDF document text
- http://topoint.cc/userfiles/fckFile/20210909190449.pdfIn PDF document text
- http://kemnhapkhau.com/upload/files/91443646982.pdfIn PDF document text
- http://bestapp4u.com/admin/uploadedfiles/file/jomoriwarazakufokewuginow.pdfIn PDF document text
- http://chia4kids.ru/ckfinder/userfiles/files/kuwagagoxo.pdfIn PDF document text
- http://notariocprietoa.com/notaria/documentos/files/89995194461.pdfIn PDF document text
- https://learnrkbin.jugalbandiresearch.com/ckfinder/userfiles/files/nuvigotufixowu.pdfIn PDF document text
- http://imdmotors.com/uploadfile/file/2021090721482455.pdfIn PDF document text
- http://mprime.net/ckfinder/userfiles/files/58506900400.pdfIn PDF document text
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/gowujotakomojafu.pdfIn PDF document text
- https://miltonmattox.com/userfiles/file/figug.pdfIn PDF document text
- https://namkhoasaigon.vn/web/images/files/13655785023.pdfIn PDF document text
- https://ambalatender.com/upload/files/96625178935.pdfIn PDF document text
- https://visualmotion.nl/uploads/file/62843958493.pdfIn PDF document text
- http://medtravel.pro/images/hand_uploaded/files/96795654334.pdfIn PDF document text
- http://1000projects.ru/upload_picture/file/fosutinodizasumizute.pdfIn PDF document text
- http://tachikawa-derma.biz/ckfinder/userfiles/files/58169115865.pdfIn PDF document text
- https://www.agcontraincendios.es/ckfinder/userfiles/files/detisogemekiv.pdfIn PDF document text
- http://mawaevents.com/uploads/file/73775714364.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=pes+2018+game+download+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_off0000bc99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC99 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d4b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4B0 | 11124 bytes |
SHA-256: 163d07fdb4c13bc1fd10e73a28fca467a6d9e9f78fbd2fa9d0d52821b7542744 |
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font_02_sfnt_off0000ee9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE9A | 17044 bytes |
SHA-256: 333a5598a3f6298c3218a79f705c9b5b20b5d9dd40b370e675d624da87dd3ffe |
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