MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating it likely contains a malicious payload. The document body is heavily obfuscated, but the presence of numerous links, many pointing to compromised WordPress sites and using UTM parameters, suggests a link farm designed to redirect users to malicious content. The primary attack pattern involves a phishing lure disguised as a document template, leading to the download of a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://skyline1968.com/clients/74864/File/40856689925.pdf
- https://campermagazine.tv/public/file/5250813570.pdf
- http://faradbox.pl/files/file/vokowevaxosamikokobad.pdf
- http://anthonyvienna.com/sites/default/files/file/38382521526.pdf
- https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/ef0d6e200dbb5cee3254ee269e45e31c/wepepetunubosabazazur.pdf
- http://lulanjina.net/upload/files/74606758904.pdf
- https://bakotech.at/uploads/ckeditor/files/dokoxemevuxab.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079d912c8bfa---53643513998.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16096c7b30d1ab---baluvisotibanemamo.pdf
- http://automsystem.com/UploadFile/file/20210504002738775.pdf
- http://gorisum.net/fckeditor/upload_file/file/27629833691.pdf
- https://cardion.dk/gfx/fckimages/file/betexeviwotadobejurorijo.pdf
- http://geodavidepini.it/userfiles/files/22115720796.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb8b7a077f---90104923838.pdf
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/dba8d96aa25fc9ad24dd80fe7f5c053d/gexilovivapuwafigifu.pdf
- http://s8radziejowice-paszkow.pl/userfiles/file/95519076771.pdf
- https://accesoriosalmayor.com/images/userfiles/file/32495075497.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c67bcbb2b2a---wijinuwokolonobe.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c5392dc0bc2---39284612895.pdf
- http://bualuang101.com/backoffice/upload/files/73288346955.pdf
- http://cainghienbinhduong.com/uploads/userfiles/file/24685175416.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160da70064d0fd---xezes.pdf
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/bvqnqg88katdkebr4eq1pmcql1/suwokelilusivos.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/kg7cn7qfpslk5t6d1rb2jjjdc5/dokumifevuferolo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=descargar+formato+de+hoja+de+vida+en+word+gratis
- 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_off0000dfac.bind28acf4a0cd6870fc7faad6f996715ac4d8bc03343999b055f779cd9aea0587c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFAC | 18228 bytes |
font_01_sfnt_off00010e5b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E5B | 16792 bytes |
font_02_sfnt_off00012672.bine6da5f0ef87e1f963d0499b60ac8387fe53002a044ce1a2d554f9a86a3767d30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12672 | 11160 bytes |
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