MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The document contains a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution lure. Although no scripts were directly extracted, the presence of embedded URLs and the 'SE_INVOICE_LURE' heuristic indicate the document is designed to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://getem.pl/files/file/zudewijojar.pdf
- http://thermogroup.ru/uploads/files/zivog.pdf
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/ckia16airk7u283unn5moccdf8/99944563824.pdf
- http://urgentcarepb.net/userfiles/file/1747505374.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/aec35b0e19d73a1eca7620b51195624b/tololebetuxo.pdf
- http://allprintusa.com/admin/images/file/dulafitizomademalitasom.pdf
- http://a-mega.ua/images/uploads/file/26130611349.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/699df58ac62d3fff328975ed62473cba/buwivopilameluwe.pdf
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aaea319dcce---kovatenufikikitirivop.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075895bebbee---61098922331.pdf
- https://audit-advisers.com/userfiles/file/33312423169.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d46028466---refodixus.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16070abc4e9488---35095238921.pdf
- https://inoxquochoang.com/app/webroot/files/images/pages/files/73992469375.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160962f5e09332---wodilulununokoxuzigug.pdf
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/22d0aa81a95bd435b5d34a62e0364658/kinanuser.pdf
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c253ae508f5---25874845435.pdf
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcebe2d064---78964133744.pdf
- http://fouladsazanco.com/Upload/file/wagimonavegi.pdf
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728ee462b91---puladuwipafekamupuz.pdf
- http://contactconfiance.com/files/files/72813303791.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b44a37684db---zutapiweruguj.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=request+letter+to+hr+manager+for+visa+extension
- 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_off0000f5c0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5C0 | 16792 bytes |
font_01_sfnt_off00010dd7.bin87ede07975efda6b8f998f9d85e27c22999fe9f2d1f3361e6e518a06204f7168 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DD7 | 11120 bytes |
font_02_sfnt_off00012759.bin2a031a5dc4ef04f5fad52c41da2fc05541cd90b81029f7b0ef0ffde6563a8141 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12759 | 16908 bytes |
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