MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or phish users. The presence of multiple URLs hosted on potentially compromised infrastructure indicates a coordinated effort to lure victims.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/498ec36d69f611bb8ef39ef8aec8e11c/latewebizovugubagufitegot.pdf In PDF document text
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/2l87ki9ure6c3e0t87587v56qmgn9mda/dosojibatew.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/7a6126329666f3d997079e2eefb5e5ed/18968715914.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/12430177086.pdfIn PDF document text
- http://deauville.ru/files/file/94822519513.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b31476b78a---tipamiwukubibosizavesap.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/69b16f88f75b2a8d36b11703b59ca607/41090104068.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/f9c2f5fdcdabe2882fc21eeff652886f/57698715677.pdfIn PDF document text
- http://naturestuff.nl/siteimages/file/fimovotazojedavigabitiku.pdfIn PDF document text
- http://viethanit.vn/hinhanh/file/18199908702.pdfIn PDF document text
- http://self119.net/upload/userfiles/2021/08/files/210804053722.pdfIn PDF document text
- http://rigassprotes.lv/uploadz/file/lejakozojugazumipej.pdfIn PDF document text
- http://kme-kme.cz/files/file/54605797992.pdfIn PDF document text
- http://amoy-art.com/Upload/file/kuwukusezejuvaxales.pdfIn PDF document text
- https://biocoop.legreniervert.fr/ckfinder/userfiles/files/33606688585.pdfIn PDF document text
- http://sirmamedia.com/ckfinder/userfiles/files/64777936524.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/cde377bd34e8969149d6b4954096d223/pomotukujigewupegebimi.pdfIn PDF document text
- http://nadiadsa.org/userfiles/file/pebakogemon.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=nelson+mandela+long+walk+to+freedom+class+10+extra+question+answerPDF 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_off0001168e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1168E | 18364 bytes |
SHA-256: 68f57cab134eeb9ba65b2adbcd4e80e6654c8998fcfe6c418982408a38c0c12c |
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font_01_sfnt_off00014604.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14604 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015e1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15E1B | 11496 bytes |
SHA-256: 35ec2325661f76cc61ae093d803f32021b1f6d41389f63fe787de803efef2f85 |
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