MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or SEO poisoning campaign. The embedded URLs, while some are marked benign, are part of a larger pattern of redirecting users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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 http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/os3okhjhp7mmibjccb5h66n5rr/kokuwusazosozudoxud.pdf In PDF document text
- http://dintainoodle.com/uploads/files/nadogudewobogepuno.pdfIn PDF document text
- https://pyccenter.com/images/Upload/file/35320969770.pdfIn PDF document text
- http://alburigiott.it/userfiles/files/67048432310.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/b4o0a6e344ojrtu37b7147ur6r/senuvidutelopak.pdfIn PDF document text
- https://dwitunggaljaya.com/sitefiles/file/10955279717.pdfIn PDF document text
- http://chernogolovka.inhome360.ru/admin/ckfinder/userfiles/files/kosifofexizokidovisufezej.pdfIn PDF document text
- http://buyyoutubecomments.com/ci/userfiles/files/85386173172.pdfIn PDF document text
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/rd9ho20v5m7lv0nqoe04q53t07/52085540830.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613243c2e11e6---66995496212.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/rativitoduful.pdfIn PDF document text
- http://netflor.pl/upload/File/mafupixerixus.pdfIn PDF document text
- http://yztools.com/images/upload/File/29925169459.pdfIn PDF document text
- https://yam-token.com/business_school/uploads/file/vepolekonukewip.pdfIn PDF document text
- http://www.niziointerior.pl/upload/file/xudovajiw.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/wiwamesasedegerun.pdfIn PDF document text
- https://voziky-paletove.cz/mctree.cz/pictures/other/files/muxojiposeweravom.pdfIn PDF document text
- https://groupunsur4.com/contents/files/jalodezunegarenimenize.pdfIn PDF document text
- https://myagenda.myagenda.cz/pictures/editor/files/70473831587.pdfIn PDF document text
- http://jts-electrical.co.uk/ckfinder/userfiles/files/78509863869.pdfIn PDF document text
- https://ecohort.biz/userfiles/files/nexozibobufagozoxorokilu.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/16140c4b807105---80734273802.pdfIn PDF document text
- http://mynigaoe.com/upload/file/20211005025458.pdfIn PDF document text
- https://vico-real-estate.com/ckfinder/userfiles/files/17471713270.pdfIn PDF document text
- https://abogadosaccidentealicante.centralcms.cloud/galeria/files/pozemugopetavijokiwabemi.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150ede03aab5---58564286538.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=michael+groover+net+worthPDF link annotation
- 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_off0000bfb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFB2 | 16712 bytes |
SHA-256: 3869ad7f202468522097e8e5d3cb22b0cf5c766d5110cc7731903c06f6b02f7b |
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font_01_sfnt_off0000eabf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEABF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000102d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102D6 | 10488 bytes |
SHA-256: 82c99caa165b315dbcb86c432b70c2500cd238e5037b1c0ad4c73fc54d10757d |
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