MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to various domains, many of which are hosted on compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is unreadable, but the heuristic firings strongly indicate a phishing or malicious redirection attempt.
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://teenmag.cz/userfiles/file/85800415396.pdf In PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b2ca960b730---79981926060.pdfIn PDF document text
- https://lescourailleurs.com/upload/editor/file/ponapotefejadoguvanotaxaz.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f178663a93---35767608552.pdfIn PDF document text
- http://alhouti.com/userfiles/file/wewunejagowuveg.pdfIn PDF document text
- http://chsbicentennialclassof1976.com/clients/c/c2/c283bfa2537a82fb79a670aa087b4bd4/File/tasadixakabodobazuledal.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/rukesilupodituxodawawi.pdfIn PDF document text
- http://usagimatur.com/files/others/28872546616.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/0b709167920a91c20ff0df165823ba9d/bidipibuzibet.pdfIn PDF document text
- http://mariopresto.pl/userfiles/file/jixiwapa.pdfIn PDF document text
- http://bloemenwinkelindex.nl/images/uploads/95495859703.pdfIn PDF document text
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/05b0c19b675e56e61c66872e98032a03/26732452281.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160adbf3e53ada---ragosokagadokin.pdfIn PDF document text
- http://klick-tipp.at/ckfinder/userfiles/publics/files/novodanomarolazafutaz.pdfIn PDF document text
- http://noithatdangcap.vn/app/webroot/uploads/files/36304786894.pdfIn PDF document text
- http://technocom.pl/editor/file/57617411978.pdfIn PDF document text
- http://ebd.su/UFD/7623/files/kelozolikedu.pdfIn PDF document text
- http://stefanourso.com/public/userfiles/file/8697642567.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccf2478761---lujaditiluvivakowunojo.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/4af7b66229a783a015830ac658ec38c6/kunefovizanagokoxiponobu.pdfIn PDF document text
- http://michardardillier.com/ckfinder/userfiles/files/vokomezokeresu.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cf7a95380c1---27524288690.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/s141sp9dhb5ed27m6sqcke3ns1/48375472143.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c101895c036---52412649745.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=lymphatic+drainage+of+upper+limb+pdfPDF 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_off0000d0f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0F5 | 17592 bytes |
SHA-256: 230054c06beab0352dd6a7736885f7befaa668ccb4fe97effbefa2fe1efc6467 |
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font_01_sfnt_off0000fe4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE4E | 11208 bytes |
SHA-256: 8dd6661a5e010ed511fef43688bccc3fd46895b6e166856420983f8c01378841 |
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font_02_sfnt_off000117f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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