MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://propellerclubsandiego.org/uploads/files/86812999015.pdf In PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/sunatogewiferefisup.pdfIn PDF document text
- https://dursunguney.com/userfiles/files/zuloxedidufapa.pdfIn PDF document text
- http://chinhlytailieuluutru.com/media/ftp/file/2853710501.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6ab36f2f9---xujovape.pdfIn PDF document text
- http://www.radiooro.com.mx/media/images/uploads/files/guvirufamezavorozokepu.pdfIn PDF document text
- http://grupophi.es/uploads/files/87570874220.pdfIn PDF document text
- http://inwallendorf.de/userfiles/file/digajavirejukexixamaz.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/am9klv6perfnte38tb45gtcmj3/25212056656.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/90f68d878d4759faef8740251054163c/29767253386.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc9a5122d1---2154146624.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3e54e8058---jokigilar.pdfIn PDF document text
- http://www.lugashotel.com/data/editorfile/93826689887.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/52337af8ecd9283c47fbe9c6b0a5ca72/66046361676.pdfIn PDF document text
- http://prosquash.by/data/narurazebetivabelom.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/n8urij3aeag4i7tncldc76drtc/66687860019.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=toxicwap+net+moviesPDF 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://scripts.sil.org/OFLIn PDF document text
- http://sinhala.sourceforge.net/In PDF document text
- http://sinhala.cvs.sourceforge.net/viewvc/*checkout*/sinhala/sinhala/fonts/CREDITSIn PDF document text
- http://www.gnu.org/licenses/gpl-2.0.htmlIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e2f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2F3 | 4908 bytes |
SHA-256: 73e82f3172969882737ff5e2b5924d35042a8b411f51db1603ac5e5a70aa579a |
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font_01_sfnt_off0000f35b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF35B | 4896 bytes |
SHA-256: 9697c2fe3293b141ff7fbbe9f48273ec8d1b4b6b91a859f49bc8902c4e817cb1 |
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font_02_sfnt_off000104b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104B1 | 12312 bytes |
SHA-256: 6e739739ff6a43860f81d0090c7a5c6e418e30439773465675a7455ceab3c55b |
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font_03_sfnt_off00012d04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D04 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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