MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to compromised WordPress sites, indicating it functions as a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The file's structure and numerous external links point towards a tactic of redirecting users to potentially harmful content hosted on compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9881
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://coretry.ru/uplcv?utm_term=indian+defence+current+affairs+2020+pdf PDF link annotation
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/6hv6i6p9rmrhh7d0shhqfbs40k/vuxit.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c397134e053---27054983408.pdfIn PDF document text
- http://pointerboards.com/uploads/admin/files/26139523852.pdfIn PDF document text
- https://tortugafilms.ca/adminfiles/file/47564547469.pdfIn PDF document text
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/160823ccace193---24522312803.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/43524305655.pdfIn PDF document text
- http://kirilmazbardak.com/userfiles/file/39924404636.pdfIn PDF document text
- http://mppscstudy.com/admin/usercontent/file/56659214242.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/095d7cd1c7ef5f6675afb8c064b8bf0e/suvixedeno.pdfIn PDF document text
- https://universitecentrale.net/uploads/FCK_files/file/60764282770.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/qf313qvsb05q0akv9ij6sdabsg/48833481862.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076f9e3d4605---tenamebuwutitanizigujigaz.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d51e8ec93e---15332110177.pdfIn PDF document text
- https://mariapolis.net/ckfinder/userfiles/files/fobinonowigutusavewi.pdfIn PDF document text
- http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210521200028.pdfIn PDF document text
- https://nevisnews.com/userfiles/68377434417.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1606d052d47dd0---sumijanolakebodi.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/kglhprmpcdu2uhqjkd0jcgrec2/41895790315.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3465e379b---29539908290.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a010fcc427---79153773742.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b70003eb06a---monavuxogemepetakonaku.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/86im48fmh69gsn36dkh6nlolej/vopovademapojat.pdfIn PDF document text
- http://www.tomasjelinek.com/img/pub/file/73324287578.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/76266529810.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609fde60a6214---rexukadigosudali.pdfIn PDF document text
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/rpc4gic7ej5jdknkhq5lromg6p/98641166769.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_off000193a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x193A0 | 10740 bytes |
SHA-256: 31347dd7a92ec81c98f9fcb94f81fccbbf472ed5db110a876593e0ff9f3d6b10 |
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font_01_sfnt_off0001ac7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AC7B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001c48d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C48D | 17764 bytes |
SHA-256: f6956a5203fee76b2a44f4959faf1cee07434e11398a2ee6916fa2fc4da832a0 |
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