MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress upload directories and other disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were extracted, the structure and URL targets are indicative of a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://everest-c.ru/ckfinder/userfiles/files/20595786862.pdf In PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5125d70a8---86248473620.pdfIn PDF document text
- http://suleymanporoy.com/img/userfiles/files/35347567360.pdfIn PDF document text
- https://digireg.it/upload/kizoxuninudilabaliveja.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b73ba178210---98887104883.pdfIn PDF document text
- http://mimarkamilozkartal.com/userfiles/files/86220896781.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/16099fe26a6110---76261845060.pdfIn PDF document text
- http://asfus.net/virgsurv/userfiles/file/19826608762.pdfIn PDF document text
- https://butchercurnow.com/img/shop//contents/fenofef.pdfIn PDF document text
- https://cambodiaangkorhomestay.com/userfiles/file/15196679122.pdfIn PDF document text
- http://jorkurojus.com/userfiles/file/pibosanurosedeked.pdfIn PDF document text
- https://moderator.lt/components/com_mijoshop/opencart/image/data/files/wufujasetarosolufijo.pdfIn PDF document text
- http://artgraf24.pl/userfiles/file/narotinaxizigosum.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160826d1abfbff---81807400503.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/407fe53662aa1cd4117908d76be387d5/4702422779.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16074fa71a39f5---fidika.pdfIn PDF document text
- http://voxel-avocats.fr/uploads/file/54693959586.pdfIn PDF document text
- http://haciogullari.com/depo/sayfaresim/file/42481782543.pdfIn PDF document text
- https://sweetburden.com/upload/users/files/51729953783.pdfIn PDF document text
- http://agisma.ru/files/pages/files/33474017055.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/bb91604e3fcc538d5bc9bb3f4ef2f1d0/pogutomaxeguk.pdfIn PDF document text
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/c47e3da33ee1b8ae307b5d2839bee0e0/89236777529.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/zikakitexivadisuke.pdfIn PDF document text
- https://espiber.cl/images/uploadedimages/file/37407220938.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=keyboard+iphone+apk+for+androidPDF 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_off0000d289.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD289 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eaa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA0 | 10620 bytes |
SHA-256: 4980a6210809d5622e2646a6c84295798655373b64504f00efe64d9c39dc5c44 |
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font_02_sfnt_off00010290.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10290 | 17584 bytes |
SHA-256: 28cd185d95d472496e2eb3f22b5a2c1c99fb76e498ad0b3114f9900dc9b32f77 |
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