MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content or phishing sites. The presence of external URI heuristics and link farm indicators further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://crewmak.ru/uplcv?utm_term=which+file+contains+entire+configuration+information+of+the+application+in+android PDF link annotation
- http://bangiyaparishadtoronto.ca/bpt/editor/uploadfiles/78362880468.pdfIn PDF document text
- http://philipwillettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/41799385672.pdfIn PDF document text
- https://rougezenekar.hu/files/file/vagomudanerofabemeniva.pdfIn PDF document text
- http://uzks.hr/upload/datoteke/32525938837.pdfIn PDF document text
- http://www.cerel.eu/images/wyswig_images/file/ramasipememotafi.pdfIn PDF document text
- https://charterfori.ir/basefile/charterforiir/files/megalejorazilixixixoruwa.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/9d9288904b81ec322c7ab41b7f0f2990/99818949228.pdfIn PDF document text
- http://eegbiofeedback-leszno.pl/userfiles/file/wereruvudet.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161325459b37c3---lilezuwed.pdfIn PDF document text
- http://fcgo.tw/uploadpic/files/64397264350.pdfIn PDF document text
- https://rizecanreklam.com/images/file/61010348506.pdfIn PDF document text
- https://preciseenergygroup.com/media/80271579578.pdfIn PDF document text
- http://bebsulmare.com/userfiles/files/mexajoraxagaxu.pdfIn PDF document text
- http://tasarimak.com/ckfinder/userfiles/files/22529585723.pdfIn PDF document text
- https://anmoul.com/userfiles/file/99529065615.pdfIn PDF document text
- http://frutapac.es/ckfinder/userfiles/files/73358067627.pdfIn PDF document text
- https://drakbera.com/ckeditor/ckfinder/userfiles/files/45939777038.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613691caf1444---xukibitaleporozulugu.pdfIn PDF document text
- https://mosconi.net/userfiles/file/46743220941.pdfIn PDF document text
- http://liluby.com/upload/file/15441369007.pdfIn PDF document text
- http://sz-nuoyi.com/Upload/file/2021090913314722345.pdfIn PDF document text
- https://takitech.hu/userfiles/file/puratukosiva.pdfIn PDF document text
- http://usefchina.com/uploadfile/file///2021090515075761.pdfIn PDF document text
- 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_off00010240.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10240 | 18264 bytes |
SHA-256: 0ff67b29faff5ed702e8b83a81e7ce4379b44ad69820edbeb34dbea444448ae8 |
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font_01_sfnt_off00013226.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13226 | 11160 bytes |
SHA-256: ebcb76de000663d06e54d4f2380411e5b19b928fd252b506ec27c6674e8b7040 |
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font_02_sfnt_off00014be1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BE1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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