MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute further malicious content. The document body is heavily obfuscated and unreadable, but the presence of link farms and the overall detection profile strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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 https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/53c96a7a291e8104be9f7c7972bcdabf/73276298735.pdf In PDF document text
- https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/68979153475.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16083a65d09a1d---99408002595.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/hg37c0n26p7i8bio59jj6u85on/1695952322.pdfIn PDF document text
- https://angkagenap.com/contents//files/2069677531.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/29e32e46a6574fa529d74f258c72d39f/11851426530.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160856bdb50221---dutedarupe.pdfIn PDF document text
- http://9meclinic.com/ckfinder/userfiles/files/20079440226.pdfIn PDF document text
- http://unseretochter.ch/images/file/bazuxuzuradejapujerugule.pdfIn PDF document text
- http://mindatpeace.us/uploads/files/91655510831.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/83eff3642022bf5203a638e5770ff9a5/29637002295.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/mj1emmsjdrjjdo559gkoqf041d/46747753705.pdfIn PDF document text
- http://ladyqueen.it/userfiles/files/sonakaxa.pdfIn PDF document text
- http://illinoislivestock.org/userfiles/file/bikif.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0767cd6e12---nunotetefadadabebetiveruf.pdfIn PDF document text
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/506f1a9faabb88d5ea788fcb28d8dd13/vizotuvipenekerud.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/4b844566c70caa95968a667e982b7578/41831922072.pdfIn PDF document text
- http://sharon-barron.com/userfiles/files/ribipivekunuzevetivawuvi.pdfIn PDF document text
- http://sanruou.com/app/webroot/uploads/files/38085166482.pdfIn PDF document text
- http://ajtoablakcentrum.com/_user/file/73737944849.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/3238eee0ca0bdfa486150b73ae46b5d8/tonaxaxagudosigimezarowa.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e3762257753---54659297597.pdfIn PDF document text
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090ffffa516f---sorosojoxebimutedarigale.pdfIn PDF document text
- http://stalmont.eu/userfiles/file/narezi.pdfIn PDF document text
- http://c-amc.com/upload/files/25120994920.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=school+administration+guidePDF 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_off0000fcb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCB4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000114cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114CB | 10992 bytes |
SHA-256: a38aedd9f8cbc284413eb7426e6c6b54efbce1f4f9a25e8540690566218000f7 |
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font_02_sfnt_off00012dea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DEA | 16940 bytes |
SHA-256: 6769254394efbb3f5155515b846259c0b696c9e44a93d3d987f4b50e58e15c89 |
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