MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, while obfuscated, appears to contain a search query related to a technical issue, likely a lure to encourage clicks on the embedded malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://catamma.ru/uplcv?utm_term=why+does+my+zagg+keyboard+not+working PDF link annotation
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/9bb816e959417fac8b4235f7cafb85dc/bogojabazatela.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084f8073108e---kivajimumanimu.pdfIn PDF document text
- https://anmoul.com/userfiles/file/wekikotedezasuluza.pdfIn PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/geljmcqinn8h50u3e96la3oeh5/43831919664.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/o39kol2mspp2vitcijn7bhg0u6/98072680667.pdfIn PDF document text
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/30557bfa519d82dec9e65da986698f45/67099342642.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/a69b35ced1646d269b39a6b8124a180c/49175746779.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098343da96f2---lilaxevozedujabuxejej.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160766b61b30bf---gutotonutedidi.pdfIn PDF document text
- http://highendschmiede.de/highendfiles/file/funolujekemalamoratigel.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa264293d7---66830982553.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160802f52ba76f---dipukawokolamav.pdfIn PDF document text
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/i0cevuupgq25ks2s45si8ct7pk/50050479652.pdfIn PDF document text
- https://salvatoredivilio.it/userfiles/file/64897657465.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607749210a3bb---wulunelatopizosubinujit.pdfIn PDF document text
- https://arket.io/wp-content/plugins/super-forms/uploads/php/files/son82kp4ln5fe0q206jglt0cuu/58354828550.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094896b7d01c---xesozam.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d55a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD55A | 5668 bytes |
SHA-256: e695d896624128d49d098cf81d30d71fd2ad9dc30ec2b74e72f3a8e5d7720a09 |
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font_01_sfnt_off0000e898.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE898 | 10440 bytes |
SHA-256: b5cc801f47a6e5203476abb45ef7c35fe4bec48376dfe3ca0cef246977f52bdf |
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