MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to host malicious files. 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. ClamAV detection and ML classification confirm the malicious nature of the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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 https://cructi.ru/uplcv?utm_term=the+redford+humidor PDF link annotation
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609490efac0d0---galoluvose.pdfIn PDF document text
- http://jamesirvinewedding.com/clients/f/f9/f947a18657f5d77a8fcd192ffd4ccf25/File/linakazepopaja.pdfIn PDF document text
- http://amctop.com/board_data/editor_img/file/202105112146.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/6b01e6e22b69b8187d8002ec884512d1/97100752343.pdfIn PDF document text
- https://veterinarycarefoundation.org/userfiles/file/47412667569.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cb30916fb09---83987963397.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/6cc6e6d113388c78bd90a55be57c0989/kuzuw.pdfIn PDF document text
- http://illinoislivestock.org/userfiles/file/58552631395.pdfIn PDF document text
- https://ideylia.fr/uploads/file/44623613863.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8415db7c8---devega.pdfIn PDF document text
- https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/5d731a8911c7c00216f8dfb68e34b328/38696272471.pdfIn PDF document text
- https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/d00ef7fd9547e556b54948b4b1a32f0b/nuzevazum.pdfIn PDF document text
- http://alimentosldm.com/userfiles/file/vegufajogorewogugego.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/vi7ss1tche4ba87aukkot2cpuf/lipomigerukiwunubafaxego.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/21bi8aflqg7nt1vjjmd1j0h1uk/78225945762.pdfIn PDF document text
- http://funperm.ru/content/file/sidovamexabekis.pdfIn PDF document text
- http://nkland.org/userfiles/files/39899446814.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f68440c99---jovepefatimarolote.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/lpd5lls52prqama7k8uqrn9urt/36604603546.pdfIn PDF document text
- https://sitpchemcieszyn.pl/_sitpchem/file/64457125601.pdfIn PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/8c1ce56aae90898e8ad9a4ba03e7a175/pumuwa.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/921891e79a388cb20d4ac1ad71910212/61185416773.pdfIn PDF document text
- https://okazdedziecko.pl/_files/Media/file/kozesetajirukojesek.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160718b008983f---soritajidaluxoxubif.pdfIn PDF document text
- https://gulyaskantin.hu/uploads/frontend/files/gofepukiro.pdfIn PDF document text
- http://roughriders66.com/clients/f/fa/fa96273273f04fd2a06feef12b1e4d70/File/34066986379.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA72 | 17376 bytes |
SHA-256: 3d533dc09a33b9e04188b25e6ac90d314aaa8b5d18c289275f511688e9f64448 |
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font_01_sfnt_off000107b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107B7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FCE | 10104 bytes |
SHA-256: 52d3b3ec15a95cd5e50281277f91b43d051bfb44a4e9acdf9825de17b583df0b |
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