MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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, presents a deceptive download button and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9944
Heuristics 8
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://614move.com/clients/4890/File/86315746762.pdf In PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a42d6cd3f6a---21606547216.pdfIn PDF document text
- http://targdenunti.ro/userfiles/file/sejasapexoguk.pdfIn PDF document text
- http://wahiclassof69.com/clients/874294/File/35300295127.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfcf76ce31---vakufalagonisatago.pdfIn PDF document text
- https://arabacioyunlar.com/calisma2/files/uploads/xasanizizedoja.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078e9d94fd5c---77622185546.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e120a0e0ad8---92519036027.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/e8878da3f1b13aae22c3afaba2dbd3dc/149513349.pdfIn PDF document text
- http://hoangduy.vn/vn/files/51669503464.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f05be91314---zagadimilewaxojijejir.pdfIn PDF document text
- http://dep14kirov.ru/userfiles/file/2750662898.pdfIn PDF document text
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/si7k25u4k2ab3hb2oecfup05q1/95975369489.pdfIn PDF document text
- https://myupfield.link/wp-content/plugins/super-forms/uploads/php/files/ts9eq73nheurfn8603v4gk6jfm/3586157516.pdfIn PDF document text
- https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/f17aee43408feebcc8534252b28f2358/molivagugavedow.pdfIn PDF document text
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/p7qf5eq7kk49fg2b9g620u4seu/punozesebolinadisoru.pdfIn PDF document text
- http://marcth.pl/media/fck/file/xekibovekubem.pdfIn PDF document text
- http://i-dron.cz/data/file/69685948833.pdfIn PDF document text
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160773c5fa6d7d---75643301985.pdfIn PDF document text
- http://poltinik.ru/userfiles/file/wezubajilobixin.pdfIn PDF document text
- http://globalcenterhotels.com/bot/ckfinder/uf/files/tujidomimejodaxurim.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f31cef2911---fuwigirosuwaximaxa.pdfIn PDF document text
- http://amon-syotengai.com/userfiles/file/vulirarowipizixu.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085841acb5a5---xopareverunole.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160e8574e9b60e---12499757939.pdfIn PDF document text
- http://paintmaster.hu/js/ckfinder/userfiles/files/74089514661.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=oceanhorn+2+apk+%2B+obb+download+androidPDF 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_off0000e129.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE129 | 17600 bytes |
SHA-256: 049bfd6ca8d073edaf88dcf361707ecfe2f2f056b78cb923f6082829f49b6b2e |
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font_01_sfnt_off00010ef6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EF6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001270d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1270D | 10808 bytes |
SHA-256: 64cfbafddc6c9aa722d22a6457e4e81d685e2513d84e72b40606e1ec5a883d54 |
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