MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, hosting numerous links on compromised websites, likely to facilitate the download of a second-stage payload. The presence of a 'download button' lure further supports a phishing or social engineering attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 7
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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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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://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/a9ddd74be437476c002c415d0b6b9d36/89243897354.pdf In PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c72be646660---94916874879.pdfIn PDF document text
- http://turagent007.ru/userfiles/file/pokulelenuravu.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/c198li33fu29r34b3k2g1ucgl0/bejinoneka.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c48240a6e51---59794983766.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607740709f448---31169569175.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/b2977553b8e9a5355ec52565e7784139/88326610584.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/bq4mske8ra6gmm8iqtuch7ctdh/nafifosisilodebijanukir.pdfIn PDF document text
- http://bettaletroom.com/file_media/file_image/file/12495607747.pdfIn PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/hq5i0gb2ifvsmro3v5ca7athap/sijakigamadut.pdfIn PDF document text
- http://maekuangudomthara.com/ckfinder/userfiles/files/41480678340.pdfIn PDF document text
- http://chromoink.com/updates/file/fifapabawi.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/gimufurogujaratokun.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/9bdeea6565c445fff041447b8a17b12a/67753664264.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094d9644d058---sazudelu.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/aa368fdf5f1133feec93668639cb2e9f/kolirej.pdfIn PDF document text
- http://dfh-consulting.com/userfiles/file/nefupenofuwezenelanubuti.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088efdcf3005---fidevisenanimuzufojegave.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160820fe3eb728---fasumukikuwuxasiza.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/75506718433.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/roxurusekabuwudowuguxuget.pdfIn PDF document text
- http://www.aadhar-interior.com/userfiles/file/78555870958.pdfIn PDF document text
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/avu3ro2ke067s4mc3vokhtsla3/zagezufusinusuzobeta.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/46675695770.pdfIn PDF document text
- http://pratiklinik.com/img/userfiles/files/73841319039.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094745de7aba---96548538060.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=chemistry+pdf+notes+downloadPDF 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_off0000e5a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5A1 | 17592 bytes |
SHA-256: 11e6209fbfd02e56d01e022d153753da5e0d7c63a303c4deb8c015fd897172e5 |
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font_01_sfnt_off000113fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012c12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C12 | 10992 bytes |
SHA-256: 8597c384f375acbbd8b021ab7d7ed510c28dd32ac4c5984a16a61814b4849ed1 |
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