MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload directories, suggesting it's designed to lure users to malicious sites. The presence of multiple unknown URLs reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bde1b76fb7---busibaz.pdf In PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d8a0474b3---zolawejolekigazivesibe.pdfIn PDF document text
- https://p99.tw/pro_pic/files/93954601785.pdfIn PDF document text
- https://akapacha.com/userfiles/file/28611379821.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/d671cf8ca9f77755dc4ac1760b6cbc05/60824952692.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4716198fb---61931415179.pdfIn PDF document text
- http://www.trafikyaren.com/wp-content/plugins/super-forms/uploads/php/files/ub1ujndru33jcqirdue5v9km42/tofabebujelu.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/6b92cc78da60bd86eed7736aea8088c1/30791135201.pdfIn PDF document text
- http://xn--dlek-5qa.com/admin/UserFiles/file/94682309078.pdfIn PDF document text
- https://bd-sokolovska.eu/userfiles/file/tazutexulasol.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/uovj27nsneo0e544jdif2t7am4/7402071162.pdfIn PDF document text
- http://bigsvatcharasith.com/userfiles/file/rubozuzi.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7878cb7366---jivopogu.pdfIn PDF document text
- https://alternatifhirdavat.com/upload/ckfinder/files/35767772929.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/44320079980.pdfIn PDF document text
- http://thesprotia.gr/uploads/file/39386932975.pdfIn PDF document text
- https://arrayamed.com/userfiles/file/83176541888.pdfIn PDF document text
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/aafa589efcf2a589061fdd9d88f28522/3046879261.pdfIn PDF document text
- https://aimara-bg.com/userfiles/file/xobal.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/d3ced8c19e3aa46a10cd7194c1a48d2e/44854975728.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160876e3158a1a---zugemibusir.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c669499469---tevofi.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/9d69d61336b23bd6ff39f896b8b3ec20/vamabodukudijuk.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dedf7bb20f---nogukofasufa.pdfIn PDF document text
- http://pizzeria-millemiglia.de/app/webroot/img/editor/file/rekowepin.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16084d2e89ab60---15985052166.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+to+mod+in+fallout+4PDF 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_off0000f04d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF04D | 10368 bytes |
SHA-256: b612eb5a17c21d0b79d9f96c1f26572081c82922bc5b77264ede6a601840138f |
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font_01_sfnt_off000107b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FC7 | 16840 bytes |
SHA-256: af59bff8add6c274b13ed95d6c43b00cf2ac6595b5c26014199a795a7d31441a |
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