MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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=how+do+android+users+listen+to+podcasts
- https://ctners.com/ckfinder/userfiles/files/ditagexerujuxib.pdf
- http://alcantara.cz/data/file/50937325055.pdf
- http://euro-ex.net/images/blog/file/75696423336.pdf
- http://biosite.ru/images/news/file/68577835059.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16135d93060bab---tufumamileratovurewedexaw.pdf
- https://steammining.com/userfiles/file/67892670187.pdf
- http://zkpower.net/upload/files/54815505282.pdf
- https://buildingexpertsdirectory.com/ckfinder/userfiles/files/67962047455.pdf
- https://marikakozmetika.hu/editor_up/muretopin.pdf
- https://laundrybyconrads.com/nbloom/fckuploads/file/lupidimutaladitixofumi.pdf
- http://1night2daytour.com/ckupload/files/79426777277.pdf
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613b48e6cc869---18386624796.pdf
- http://yksskj.com/ckfinder/userfiles/files/devupanubunipe.pdf
- http://cungcapbaoduongcuanhatban.com/upload/files/88720817845.pdf
- https://vibangthuaphatlai.net/uploads/files/92529472084.pdf
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/1aac8e944af12337e203ca554e218b4a/3258944254.pdf
- https://beyondpins.com/calisma2/files/uploads/savizimometimuwutugapozom.pdf
- http://fqcycpa.com/jingkelun/userfiles/files/20210905152422.pdf
- http://safiorida.nl/operatori/userfiles/file/gonekapowaviv.pdf
- http://madveras.com/ckfinder/userfiles/files/takiribifuzewi.pdf
- https://tiemhoamo.com/data/dulieu/files/fajivifelatunoriwoxuse.pdf
- http://trieuduong.com/images/Download/nujilawuvevurerawu.pdf
- http://ephtour.com/FileData/ckfinder/files/20210902_388E1C015551A361.pdf
- http://rothemtour.com/FileData/ckfinder/files/20210911_012D5362189CF54A.pdf
- http://akgwealthplanner.com/crm/files/41968896580.pdf
- http://tuzvedo.hu/elemek/file/22363061296.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_off0000f0bd.binf54b6d88cf592bd54357e1f980976668be748a40120d550c6380d009670121bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0BD | 10684 bytes |
font_01_sfnt_off0001095c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1095C | 16792 bytes |
font_02_sfnt_off0001216e.binf623a4f3f61b5e063c515cd375bd037ed28fd6660c2fa665b92a78c9d3cbe278 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1216E | 18336 bytes |
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