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 0.9990
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 https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c42a5e356cb---sakijeraju.pdf In PDF document text
- https://zlatartopalovic.rs//files/komumotusijulimofadulezi.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b5924911797---52136910469.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b38a9354375---fedep.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075fa881b5ae---45864234296.pdfIn PDF document text
- http://tipsclubcr.com/campannas/file/37628564820.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771cc363df9---66099094953.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ff81f6e85ed---lirizuzomorikelujiwu.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e0c45b1340---duzoruvujow.pdfIn PDF document text
- https://nulifeus.com/~nulife/userfiles/file/81336315524.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee0269db29---99717454806.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/deae9afdec4801db228a78f0d0e5d7cf/nusami.pdfIn PDF document text
- https://mumegram.com/userfiles/file/bixufajeka.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16074ac76dd49e---85441093556.pdfIn PDF document text
- http://vladjurnalist.ru/archive/file/vupalobivirujipavex.pdfIn PDF document text
- http://cokhisah.com/webroot/img/files/15685143362.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16075e945c5f36---24815152236.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/fisibi.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/psv7ovflk6bt8in0tir1f78hir/19896238388.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/sapedamarodego.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160711c09c60fb---biferawo.pdfIn PDF document text
- http://przychodnia-felinskiego.pl/uploads/editor/file/kamebivodajep.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/1apob9k1ds4rqr6rjvpldurr22/16799169218.pdfIn PDF document text
- http://bvsaigonbinhduong.vn/uploads/files/18472728303.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=ok.ru+1080p+video+indirmePDF 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_off0000f8dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000110f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110F4 | 10812 bytes |
SHA-256: 70defc8e85f5c4910820548c1c71bfd6d8452be655d547b0244818ca1c94797a |
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font_02_sfnt_off000129df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129DF | 18784 bytes |
SHA-256: 00d780f777ce84e7fe03edf065c70ee782779b26b567e8fcd605b6431c0d8c10 |
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