MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, with numerous URLs pointing to compromised CMS upload directories, likely to host malicious content. The presence of multiple distinct hosts and a high number of links per host suggests an attempt to distribute malicious payloads or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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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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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://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0392968a59---94882564740.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/1673ecfb6e9b953db7c8685418d3a22a/29038192682.pdf
- https://aakritidigitals.com/userfiles/files/88400069111.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160766b0de9871---64225274792.pdf
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/5dd33a021c1c59997a918d95163a0b23/rakujopadozegarewemo.pdf
- https://aulacvn.com/upload/fck/file/80199200726.pdf
- http://www.aportecnica.com/imagenes/editor/file/17690408381.pdf
- https://www.bistro-e.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf2e923249---21367123742.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/q7q1t67uu09c8g35bcisgkb3b8/resenorunerelirizoper.pdf
- http://kimbuunguyen.com/uploads/userfiles/file/49750096185.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609daea3ba792---84973807609.pdf
- http://maristaslardero.es/userfiles/file/59040376294.pdf
- https://drakbera.com/ckeditor/ckfinder/userfiles/files/6232655065.pdf
- http://akinmedikal.com/uploads/file/padabov.pdf
- http://haenuri.net/ckupload/files/79911808398.pdf
- http://parfumland.sk/upl/kefomuvixesek.pdf
- http://giasuthienphuc.com/Images_upload/files/1137249114.pdf
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/4185a72a9b6c7252f3a7070c15bc47cb/48789779670.pdf
- https://bharatbiodiesel.com/userfiles/file/bezusij.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160890562605f5---80123088413.pdf
- http://jogamiskolc.hu/ckfinder/userfiles/files/lexirasizuwazapabikakoxud.pdf
- https://baobihungphu.com/media/ftp/file/zubegirupagotipa.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=exponential+growth+and+decay+algebra+1+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ce87.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE87 | 16792 bytes |
font_01_sfnt_off0000e69e.bind078e1b29386e5f4ccfd622591bc15c74b7855f4489a0ee5f50e54fc6ed30a03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE69E | 11208 bytes |
font_02_sfnt_off00010074.bin74726d3a0995c5b10ccdad1d3afedffa1d9ced1b178b561d8ed2fcc24eda76b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10074 | 17876 bytes |
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