MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to disposable hosting sites, many of which are hosted on compromised CMS platforms. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to download a password-protected archive, a common tactic to bypass gateway security. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9910
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://studiodrago.eu/userfiles/files/bazowogunota.pdf
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/n3kkpk3nh02oea1ti1ou5decer/17768220764.pdf
- https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/cd9fe92b5700af1512e566f2622a1766/kunowalo.pdf
- https://calmoinc.com/upload/editor/file/lupagakoxajutukanamel.pdf
- http://moje-stranky.eu/userfiles/file/89346451168.pdf
- http://mhspartan79.com/clients/9/97/97d0d0788ec4d6723ba7be3cd58769e3/File/rudozojuvigijovosozadupij.pdf
- https://prolocolidodisavio.org/ckfinder/userfiles/files/pexubakejoji.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d812766ca16---64789391404.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b247ade4110---1966243454.pdf
- http://nowyhotelik.pl/userfiles/file/leredumomoliwigi.pdf
- http://aristosaigonhotel.vn/uploads/files/xenomerijafike.pdf
- http://www.asslar.de/downloads/33246652588.pdf
- http://maihome.hu/admin1/file/13424752302.pdf
- http://chelseacarpet.com/ckfinder/userfiles/uploads/nejirutuvel.pdf
- http://karat-dobremiasto.pl/userfiles/file/53201007156.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/76be2dfe582dbcf9569cba0d6d3abe06/xabelegefevosugejavew.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/d20o4r2hvn7c0sbqiljf0kk3o2/10234281980.pdf
- http://karthikeyanjayaram.com/userfiles/file/mobepokuvumatimojes.pdf
- http://klinikoral.com/img/userfiles/files/97951718397.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717048d3664---78029007341.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160e9607a0091a---kujam.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160792a782737b---8731843379.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/f94bef115cac7f4a54282e8ce1f7ca0e/fomuwojiragujiw.pdf
- https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/fb6bfe7c4d4b3800b5af70addf394d5e/66989031619.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=can+i+eat+peanuts+on+hcg+phase+2
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001188a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1188A | 16792 bytes |
font_01_sfnt_off000130a1.binc815e4d8a0c154ebd0473fb2bbb7f1d2a8019d7ed6b8e31a45c7a4879773bd09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130A1 | 10760 bytes |
font_02_sfnt_off00014964.bin562d39cc93351683f3420870a5578826c1285db13c691c08f99be18f4980e560 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14964 | 1860 bytes |
font_03_sfnt_off00015216.bin7daef8117c3d28864fda85ffc2bc2e38291a8e67f17e5ce1969b29be886195e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15216 | 18088 bytes |
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