MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains a link farm with numerous URLs pointing to compromised WordPress sites and other domains, suggesting a phishing or redirection scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/e5e852b4ab8257ca6b0e3afd68f63c53/78096690013.pdf In PDF document text
- http://mtegl.wsystem.sk/userfiles/files/8255063066.pdfIn PDF document text
- http://staples1981.com/clients/b/ba/ba027a536d51c1d997ee76cae6dc9017/File/83047081127.pdfIn PDF document text
- http://princeworldwide.com/multimedia/userfiles/file/maverirukulipapilumoju.pdfIn PDF document text
- http://blackivy.pl/userfiles/file/13381235692.pdfIn PDF document text
- http://beijinghuojia.cn/userfiles/file/sidodu.pdfIn PDF document text
- http://cpils.com/userfiles/file/85251311064.pdfIn PDF document text
- http://exito-opakowania.pl/userfiles/file/kevononobifexisi.pdfIn PDF document text
- http://archgeo-leszno.pl/uploads/userfiles/files/56108822092.pdfIn PDF document text
- https://reazfarah.com/ckfinder/userfiles/files/14580261048.pdfIn PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/fb7d0907c59704eefa13f840cd91b4f0/64094901883.pdfIn PDF document text
- https://prawobrzeze.info/userfiles/file/xekirejomaxokiwuraluxiv.pdfIn PDF document text
- http://stoewebdesign.no/userfiles/file/4348350673.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5c3830b18---41816047586.pdfIn PDF document text
- http://rc-modeller.se/images/file///18079193822.pdfIn PDF document text
- https://hrmconsulting.biz/upload/files/56927742834.pdfIn PDF document text
- http://anvlaw.com/userfiles/file/31326855993.pdfIn PDF document text
- http://www.contectrade.hu/fckfiles/file/85103542575.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d455a53d6---pogikivedategugaf.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609daf7e3cbab---kepimi.pdfIn PDF document text
- https://chuyennhakienvangvn.net/upload/files/34540263641.pdfIn PDF document text
- https://damiel.eu/userfiles/file/8320975795.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=icd+10+cm+guidelines+2019+pdf+downloadPDF 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_off0001225a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1225A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013a6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A6C | 18476 bytes |
SHA-256: 882c65a0b701da21cc7eec42e4b403120811f19d092abc62e8ab14fcec265384 |
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font_02_sfnt_off000169e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x169E7 | 11364 bytes |
SHA-256: 6377a7a042fe7182cbb9e96ada0b28729e803ced41669d2c61f391a4e32be613 |
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