MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to compromised WordPress upload directories or disposable hosting, indicative of a link farm used for phishing or malware distribution. ClamAV detection and ML classification strongly suggest malicious intent. No scripts were extracted, but the structure and URL patterns are consistent with a malicious PDF dropper.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://hondasushi.com/uploads/files/14448050126.pdf In PDF document text
- http://chiari-web.com/ckfinder/optimist/files/dexakuxamudofefimujaje.pdfIn PDF document text
- https://www.leasing.net.in/ckfinder/userfiles/files/pafonif.pdfIn PDF document text
- http://lednotice.com/userData/board/file/40725166823.pdfIn PDF document text
- http://naszemotyle.natura2000.pl/imgturysta/files/21408582493.pdfIn PDF document text
- http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/daguvujivame.pdfIn PDF document text
- https://residenciasanamaro.es/userfiles/files/gukenabitelewebu.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161465027e9e4f---67889320055.pdfIn PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/66be4c2d13e1dd76baa369b4fae125d2/71717780796.pdfIn PDF document text
- http://puzynowska-kancelaria.com/userfiles/file/18586693701.pdfIn PDF document text
- http://balone.net/_upload/file///lawepuvozekotopala.pdfIn PDF document text
- https://currenwatch.myhost360.cn/file/upload/files/09-01-20-36-19-81.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143cdafaaf56---92794536146.pdfIn PDF document text
- http://087334211.kad.tw/kads/ckfinder/userfiles/files/12681155065.pdfIn PDF document text
- http://madmojo.com/fckupload/file/fukewe.pdfIn PDF document text
- http://wadsoda.com/UserFiles/File/94144698733.pdfIn PDF document text
- https://tennis-samara.ru/img/file/41607653090.pdfIn PDF document text
- http://ecme.site/2015/vat/upload/files/51790473218.pdfIn PDF document text
- http://gartenstadt-apotheke.com/userfiles/file/7344871163.pdfIn PDF document text
- http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jutipenutek.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16138e21a0c33f---36070495460.pdfIn PDF document text
- https://bodykneadstherapy.com.au/ckfinder/userfiles/files/lazobajufive.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=avatar+the+promise+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_off0000c9f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9F0 | 17768 bytes |
SHA-256: 264b438ce9c80ee96da25cff0c8500ed1c58cded1f0a423468f9271c5bc5fe98 |
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font_01_sfnt_off0000f86f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF86F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011086.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11086 | 10660 bytes |
SHA-256: 75004d99275155c2eb10c6d6ed7e32aadbacdc720f847d3b8f29103009691d30 |
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