MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, forming a link farm. The primary purpose appears to be redirecting users to external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://bannails.com/fckeditor_userfiles/file/kufage.pdf In PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1612ebc8b22704---dewugenazemavetufutuser.pdfIn PDF document text
- https://castel.ro/userfiles/file/tapukojidelugepepufojesun.pdfIn PDF document text
- http://smartarts.bg/userfiles/file/63478740116.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/hbpr7tofksrtcth7dila7huaqf/wewazut.pdfIn PDF document text
- https://noventa.cz/media/files/file/zojuba.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cabce7476c---vitobis.pdfIn PDF document text
- http://donateagift.eu/userfiles/file/geriwebikogekunedi.pdfIn PDF document text
- http://chretkinia.pl/userfiles/file/38284246192.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16121ec1fa173c---82962907576.pdfIn PDF document text
- http://celyroknaterase.sk/editor_uploads/system/files/50276411469.pdfIn PDF document text
- https://10kshot.com/customerinterview/ckfinder/userfiles/files/wenudesovi.pdfIn PDF document text
- http://kfbma.org/files/fck/file/puvopar.pdfIn PDF document text
- https://hiddencliff.kr/FileData/ckfinder/files/20210710_53F9D36C0D913444.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609c23c370186---nogegul.pdfIn PDF document text
- http://skoleniridicubrno.cz/ckfinder/userfiles/files/56818188863.pdfIn PDF document text
- https://reparation-mobile.net/userfiles/file/dorukomi.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c1eed507b05---panese.pdfIn PDF document text
- http://ballmillfactory.com/d/files/17876207351.pdfIn PDF document text
- http://thephinhmienbac.com/upload/files/81565565099.pdfIn PDF document text
- http://thebranchoflife.org/clients/3/37/37a84c4c47f147f839b5d5a44bb1b86c/File/xojanupeluroferuxu.pdfIn PDF document text
- http://abwmechanicsville.com/uploads/files/73410641818.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=net+force+and+friction+problems+worksheet+answersPDF 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_off0000e8c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000100db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100DB | 11180 bytes |
SHA-256: eaac8afdcab3066e9319bbe498f50f9c776c380b42b25597d859284c14c4dd37 |
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font_02_sfnt_off00011aa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AA3 | 17772 bytes |
SHA-256: c7f1a3a5155d87d4271825e8fd0c65ba4429ad504235954486050b84d29ff9a6 |
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