MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a lure for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://philabc.ru/uplcv?utm_term=secret+video+recorder+apk+cracked PDF link annotation
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/a6ehcoi8ecbq9ftapgt0rc4g3v/zopitezurazafuzavavu.pdfIn PDF document text
- https://cissud.eu/uploads/ck_editor/files/69585103401.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614827a9b26b4---95330819822.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-9-9/20210909030628236308.pdfIn PDF document text
- http://due.pt/js/ckfinder/userfiles/files/97734885376.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/16138de23f33ed---buzurixo.pdfIn PDF document text
- http://sino-web.net/filespath/files/20210906180701.pdfIn PDF document text
- http://mamnonkitty.com/webroot/img/posts/files/zoruze.pdfIn PDF document text
- https://owop.challengersports.com/userfiles/files/52927661760.pdfIn PDF document text
- https://bagstyle.uz/images/file/tosapinewenadab.pdfIn PDF document text
- http://scarpatti.com/files/56265784950.pdfIn PDF document text
- https://3eyamaichi.com/upload/ckfinder_temp/files/20210918065632.pdfIn PDF document text
- https://mb-classic-service.de/userfiles/file/jewabe.pdfIn PDF document text
- https://poldercuptrofee.nl/site/admin/ckfinder/userfilesfiles/29401892835.pdfIn PDF document text
- http://marktoby.com/akram/know_news/admin/userfiles/file/41405743722.pdfIn PDF document text
- http://kasargod.net/uploads/file/99607099683.pdfIn PDF document text
- http://about-dogs.ru/upload/file/69778871419.pdfIn PDF document text
- http://autodilygood.cz/files/file/xomapebujoz.pdfIn PDF document text
- http://sushistoryus.com/uploads/files/lovune.pdfIn PDF document text
- http://xn--42-jlclgg6a3e.xn--p1ai/userfiles/file/9870602615.pdfIn PDF document text
- http://olsztyntransportmedyczny.pl/userfiles/file/vefabofuradetariz.pdfIn PDF document text
- http://fusheng-vietnam.vn/admin/webroot/upload/image/files/topuvipixasexefumo.pdfIn PDF document text
- http://osayit.com/images/file/serop.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_off0000b4c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ccda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCDA | 18516 bytes |
SHA-256: 6c1e30e0401a5822ca6871a7ec44b88a625111867b7c1e6d1637c7249021b0f0 |
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font_02_sfnt_off0000fd67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD67 | 10424 bytes |
SHA-256: 2490493b4b28bbed722987963e476b596b0661680abb72e106015f84a1e98d06 |
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