MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised websites, identified by heuristics as a link farm on disposable hosting. ClamAV and ML classifiers also flagged this file as malicious, specifically as a phishing trojan. The presence of these links suggests the primary goal is to redirect users to potentially malicious content, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085fd37b92d0---patewadubulabidezexovow.pdf In PDF document text
- http://belst.by/upload/file/tinatugovugesop.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/6ac3fec5902511709eb28f925820ec75/naliselof.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608173c749b19---38061814889.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/furadanov.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/d24d941e67df73ec460cc3c2c4bb7cbf/82501902547.pdfIn PDF document text
- https://equantumconsulting.com/files/files/86478745476.pdfIn PDF document text
- http://nw-line.ru/generic/uploaded/60309510413.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608be73eebf7a---nolipazogemabofutum.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c85530d1be---vajevuwafe.pdfIn PDF document text
- https://penal-garazh.ru/files/kogiti.pdfIn PDF document text
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/40400430419.pdfIn PDF document text
- http://truhlarstvisollner.cz/data/file/82781302650.pdfIn PDF document text
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a23b395e6d2---57087383650.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/396db1cfa059edb28a23fc9c4413cdd0/74836764782.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/tjahr6kni2e97l93j813v0ck56/16949029770.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/f7e68fd3bf602b59c60ca7391a361b19/59334131584.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/3464314365.pdfIn PDF document text
- http://meadescafe.com/userfiles/file/3878893196.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/6i2qq9hii89rfkq0a6884rrpa3/torig.pdfIn PDF document text
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/92b78b9a2146daafb0327b7971e774d6/67287703536.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/d33d186f10b68f578807bab468c3ca61/tudividigedafevopawokani.pdfIn PDF document text
- http://sushikyototogo.com/uploads/files/9025540751.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/8bb2a0d92d4be01237173285f664bb14/85154511126.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+find+atomic+mass+with+protons+neutrons+and+electronsPDF 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_off00011143.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11143 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001295a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1295A | 11064 bytes |
SHA-256: e00431a13a45ceea6e0a1a6654068951c1b87aca4d31d72fc6a92fa9c89e67ac |
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font_02_sfnt_off000142e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142E4 | 17756 bytes |
SHA-256: ed4dabfadb23e4920851fbbdc93f0d7b357ecb434e65e43cb631c43342cf9523 |
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