MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to lure users to potentially malicious sites. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM specifically highlights the nature of the links as a non-clustered link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://benetworkingpro.com/ckfinder/userfiles/files/16547571217.pdf In PDF document text
- http://pop-around.com/file_media/file_image/file/pimesomijowirefujeroj.pdfIn PDF document text
- https://mmgrowersg.com/ckfinder/userfiles/files/garamepivererefetufap.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161413df981a77---wipalofubajaxasijizexejo.pdfIn PDF document text
- http://abnicum.com/files/file/55964008076.pdfIn PDF document text
- http://camberwelltaxi.com/survey/userfiles/files/40831959148.pdfIn PDF document text
- https://gea99.com/ckfinder/userfiles/files/basujezoked.pdfIn PDF document text
- https://manuscripthandler.com/userfiles/file/10899110192.pdfIn PDF document text
- https://mmeasar.com/mmeasarfiles/file/45957239005.pdfIn PDF document text
- http://reklama-v-sochi.com/ckfinder/userfiles/files/40010438691.pdfIn PDF document text
- https://pkmoscow.ru/ckfinder/userfiles/files/jitofopevutop.pdfIn PDF document text
- https://lasanisports.com/files/29868114377.pdfIn PDF document text
- https://ymvii.com/admin/upload/files/90181694178.pdfIn PDF document text
- https://ddnepal.com/assets/userfiles/files/suwonujazur.pdfIn PDF document text
- http://etenindex.nl/images/uploads/37060129371.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/8c3f28ad24f4d857a8fbbfa1b238365f/ruwatekiw.pdfIn PDF document text
- http://fratellibeninca.com/images/file/nopodore.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/c97f66aa134100f037725f3062e95487/zuxagu.pdfIn PDF document text
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/novinibukazixo.pdfIn PDF document text
- http://slsnn.ru/content/file/77424473355.pdfIn PDF document text
- http://csa.china-led.net/static/editor/ckeditor/ckfinder/upfile/files/xabagavarosizumeja.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=best+rom+for+redmi+3sPDF 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_off00011c81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C81 | 18120 bytes |
SHA-256: 5a575cb34c0df52c706db84d986e69cb074fd34751c93a7e7ec5c73d0eb2e30e |
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font_01_sfnt_off00014c1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C1C | 10428 bytes |
SHA-256: c632c4e10480fe889c6069de83e11fb2c608fc059624a9c64c7cec72c0f1b458 |
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font_02_sfnt_off000163dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x163DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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