MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. Heuristics indicate it functions as a link farm, directing users to multiple compromised WordPress sites and other disposable hosting domains. The embedded URLs, such as 'https://crewmak.ru/uplcv?utm_term=virtue+spire+3+manual', are likely used to distribute further malicious content or facilitate phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://crewmak.ru/uplcv?utm_term=virtue+spire+3+manual
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160837d665461b---futolijuxaxugutoviwom.pdf
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084cd0306644---17646000926.pdf
- https://bloomeng.com/uploads/1617821218.pdf
- https://jxloanchien.com/style/postimage/file/34367002335.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbaa095c0a4---45029215519.pdf
- http://curry-box-deluxe.de/userfiles/file/zilavufa.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b5769c64249---53723827345.pdf
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160819db0d741a---51616357030.pdf
- http://agenziaimmobiliarecannavo.eu/userfiles/files/61177435421.pdf
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e25ba0cba---23107640621.pdf
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/53da8a1ec293720d04daa4fa5de7ac07/lunexosubuxelaluxapisol.pdf
- http://akademibt.com/resimler/files/86827684591.pdf
- http://aaz.sk/editor_uploads/files/86177098211.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be808d49a9c---3278730711.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160799a636abb8---8219866947.pdf
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/pn3h5vspqsj4kvqp6dbsor7eci/59802838326.pdf
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/st9v3tfgrjaq7jb41nvhojvt7d/59929447866.pdf
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/ef95e539e789732725a3158a470220c5/tebokakuruj.pdf
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/888a7b8eb4536b5c99b937fa036b3c0a/70739221408.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160736ecaacca3---natezopafogafigafewe.pdf
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071547e17a2c---vivis.pdf
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210609173654.pdf
- https://bdsvieclam.com/upload/files/93424527683.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/92a12a88b0c2054469075ea5b22cf72f/butigugopaxisiropojiri.pdf
- 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_off0000ecc6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC6 | 16792 bytes |
font_01_sfnt_off000104dd.bin744bbcfa10939140e8b4e1184c0c3fd9818db06e6fcbec24f320827c024c7b37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DD | 10532 bytes |
font_02_sfnt_off00011cdf.bind2bba13d590d061b59e475bc731b6381de20f066239912edb03e85a73e094d2b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CDF | 17516 bytes |
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