MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier also indicated a high probability of maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.6330
Heuristics 5
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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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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://muszempilla.com/files/file/potobutaj.pdf In PDF document text
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/476qi2f3ahsa6ob4nch6ab6knr/61592725852.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/e66b7c69fd7317e1b8c74a9de042e78e/zisiketavumozexu.pdfIn PDF document text
- http://inncredel.com/uploads/47875580990.pdfIn PDF document text
- http://tokyoto.pl/UserFiles/file/76762951328.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9b9aec157b---40567421225.pdfIn PDF document text
- http://scpt.it/userfiles/files/lonepaladodovupejuxul.pdfIn PDF document text
- http://reinforcingourheritage.com/clients/0/08/0860c2a235168fe7e4a745c824023bdd/File/bupezisuvojejirij.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2aae4d3fe3---24021265892.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/b78b6c2b33682b805ee6505c07344613/pagipozitowebotijozivi.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/40459212503.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160863f0b3f320---nolirezojubujirelezadu.pdfIn PDF document text
- http://osheamaloneynylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dewulivunarazuzuguv.pdfIn PDF document text
- https://shibbirs.com/media/files/83631629965.pdfIn PDF document text
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/24417799262.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/95252015780.pdfIn PDF document text
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/afbad938d53e5ad6d055a9e41814fef8/sidebukiputami.pdfIn PDF document text
- https://clinic4lab.com/upload/ckfinder_temp/files/20210629061023.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/cq6533j4b8pdasjuknmb80m6o9/64879284076.pdfIn PDF document text
- http://katyababash.com/images/uploads/file/gudugidopuxo.pdfIn PDF document text
- https://beauty-full.ru/uploads/files/74522402130.pdfIn PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/a53a3ce1a6ad14f212acf8c10b42c083/84939926343.pdfIn PDF document text
- http://club-integra.ru/userfiles/file/55125112016.pdfIn PDF document text
- https://faprosid.com/file/vininubegapabojoviluse.pdfIn PDF document text
- https://cortopolis.ar/userfiles/file/47871781190.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099270bb5d3f---2176471619.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=difference+between+ddl+and+dclPDF link annotation
- 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_off0000f210.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF210 | 16944 bytes |
SHA-256: 86d68544f99c8eba40c63e2da5f4feefe4a63d91c8dbe25c6d34f395342a9ca6 |
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font_01_sfnt_off00011e91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E91 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001369e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1369E | 1760 bytes |
SHA-256: 4953a45f83db726594116984a318ed94a4d667dfd8bda3c323034cc2b629afb0 |
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