MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories and other disposable hosting. These links likely lead to phishing pages or further malware downloads, indicating a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9914
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://pixomot.ru/uplcv?utm_term=mp3xd+gratis+2019 PDF link annotation
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd7265aa20---60650932272.pdfIn PDF document text
- http://evola.it/userfiles/files/43005854898.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/468c2baae05cf6aa2bd86f73aa30b7ef/53963328678.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610f72b0b4ba7---22123392345.pdfIn PDF document text
- https://a1-recruitment.fr/v2011/Files/fck_upload/file/muvanolelasa.pdfIn PDF document text
- https://echipamente-scule.ro/userfiles/file/24710132802.pdfIn PDF document text
- http://vuatoyen.com/uploads/userfiles/file/73367602603.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16075bdfc693e4---jaxevi.pdfIn PDF document text
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/4657e2b805159a54d83e358753e7c7c5/54634267864.pdfIn PDF document text
- https://questyme.ca/userfiles/file/jiduzorumasopopujuxawas.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/7b07c844141d787bf9b811e1599cc81c/73483142355.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbb34f1254---fakore.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/22ae7ffcd7e775424e06db709414f21e/fomat.pdfIn PDF document text
- https://noddy.nu/images/file/fifuseru.pdfIn PDF document text
- http://sahrugs.com/userfiles/file/juzubakap.pdfIn PDF document text
- http://www.trafikyaren.com/wp-content/plugins/super-forms/uploads/php/files/akssfsdq76uilfgu10c864bjc6/58000449960.pdfIn PDF document text
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/79719874752.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160bd436b15496---woleda.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160accf8c5980a---foresebawinevugipi.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/62b13a5d30b8b0fd7d1be2a1f6c536ec/33223383931.pdfIn PDF document text
- http://adacu.org/userfiles/file/20210722072511.pdfIn PDF document text
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fb71ebe6f78b94d9ce23e35be7bed330/nejut.pdfIn PDF document text
- http://cipetbhopal.com/webimg/files/23185645697.pdfIn PDF document text
- http://animalscipublisher.com/files/upfiles/file/72550370289.pdfIn PDF document text
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/4aicg4gcuor7fhae28nv52rs2a/22024999048.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/i62pfbget81r35loi26im1sj6a/ruvubepat.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dbdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBDB | 10892 bytes |
SHA-256: f6d9db4dbd86b90270708cdef597ef16eb731e21240ca6c7a77e15b96fc83589 |
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font_01_sfnt_off0000f50e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF50E | 16944 bytes |
SHA-256: ef0329dac4803480f2d6f4d9e9c4ba3aed2817dbf0857a17f9b8becfccd91a33 |
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font_02_sfnt_off00010c5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C5C | 18252 bytes |
SHA-256: 5abd981e6775a132ad0e1b60e6d91451413374ec77492b087a5d9fe02f64ef0b |
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font_03_sfnt_off00013b4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B4F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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