MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier strongly indicates this PDF is malicious. It contains a large number of embedded URLs, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to distribute or obscure malicious content. The document body is heavily obfuscated and unreadable, preventing a more detailed analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
Heuristics 5
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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://goodslib.com/userfiles/files/27754654685.pdf
- https://aadhaarretail.com/administrator/imagetemp/file/30944777019.pdf
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/ib5vhmv6mctrf4l5gt48l4q033/69928337913.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16092e0fef12ca---jujomi.pdf
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/gem92ph5lh0dan6tsc3uud9r35/42272774771.pdf
- http://agataklimowska.pl/userfiles/file/geguzuginukibuwad.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cfb7247ac1---kimemiwefumababe.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160823c83b8a95---varurizexug.pdf
- https://ukmalayalamnews.com/userfiles/file/20012831702.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2ebcb6e8e---32449549767.pdf
- http://emrc.ie/upload/imagecontent/file/23065696338.pdf
- http://aarogyamedico.com/userfiles/file/8989561716.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/p0679qvg54rso9a67tc08acth1/14556586761.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/5611b58e3224710fadac97e71c1fed34/59656325813.pdf
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/ej005ma753prmtb5l7asf0osvb/sinek.pdf
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/6nvig2pe4bomjf3vtvp560k7t5/wuwijev.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074366be140b.pdf
- http://notariocprietoa.com/notaria/documentos/files/nurababededufu.pdf
- https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/25ro7dgksttrrrf19baic42vlb/tuvobetu.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/0f10f445ea820418daab0fb2e09cf948/wuvenobinafuzevi.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2fa54d80a---boridesukizorivokajovu.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/bafc950af4234d2901257078c1377e1b/xavepodudunisi.pdf
- http://mid-europe-ex.com/images/blog//file/sujufixulapu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=incoterms+2020+ppt
- 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_off00015ea1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15EA1 | 16792 bytes |
font_01_sfnt_off000176b8.bin1dceece514122c2066cb5d5dc79fc3139f33175b73e34dc8d042f3161b67c2ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x176B8 | 10428 bytes |
font_02_sfnt_off00018e63.bin911d2c22cdf516d4f07613825845f435b8694deb782bbeaf450f3cd5c84fdfb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18E63 | 37240 bytes |
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