MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm designed for SEO manipulation, likely to distribute malicious content. The embedded JavaScript, though not fully analyzed due to obfuscation, is a common vector for further exploitation. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 7
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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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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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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://geriatriccarenewjersey.com/userfiles/files/70541425707.pdf In PDF document text
- http://newdimension.su/userfiles/file/27977535130.pdfIn PDF document text
- https://neksav.com/upload/ckfinder/files/44217566001.pdfIn PDF document text
- http://www.tsahimmongol.com/uploads/images/files/78514756247.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a468ec2da---65001986405.pdfIn PDF document text
- http://www.stsmcc.org/www/js/ckfinder/userfiles/files/bipuzifaguj.pdfIn PDF document text
- http://nsfeed.com/_UploadFile/Images/file/64678158930.pdfIn PDF document text
- https://mehreganimaging.com/images/upload/files/1080523836.pdfIn PDF document text
- http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/rilixaj.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/093362106eaae827329e06c0b9fceb20/lelupuwig.pdfIn PDF document text
- http://innotack.com/userfiles/files/bewurerefuxowezamimek.pdfIn PDF document text
- https://charterfori.ir/basefile/charterforiir/files/80837120524.pdfIn PDF document text
- http://bannhuaduong.net/upload/files/79288507205.pdfIn PDF document text
- http://toroisg.com/public/images/files/30606407244.pdfIn PDF document text
- https://o-dance.com/upload/files/39019819541.pdfIn PDF document text
- https://pasarantogel2.com/contents/files/4242897312.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1610424b9be6a7---jelaxemusefafalumomipokeb.pdfIn PDF document text
- http://sugarfree-gelato.com/upload/file/71064730012.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=nitro+pdf+editor+free+download+full+version+for+windows+7PDF 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_off0000d20d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD20D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA24 | 10768 bytes |
SHA-256: d3d6552539c89737070faf6625ea84627d06021b0890cd753bdbe86825875745 |
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font_02_sfnt_off0001032d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1032D | 16396 bytes |
SHA-256: 51674982187bfab5636e5de641adf8a73c851b104ea0bb50a8e93af27dec3123 |
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