MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous distinct hosts, many of which appear to be compromised WordPress sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the ClamAV detection 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0' strongly indicate a malicious intent, likely phishing or malware distribution through these links. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://bjbtrh.com/files/pic/file/52864859412.pdf In PDF document text
- https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/ul6u4es1bf1ibrfsasruunvu8m/46888015812.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609bfa65e433d---weraduzefarezibepidawu.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810d782997e---pogori.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/ogf5lk8ekav7hvq6a8ibcn1lr4/xebimobifomafujubavesilem.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160d20c683adcc---85368206046.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609877af5bc97---kovos.pdfIn PDF document text
- http://eko-inwest.eu/upload/file/59319926353.pdfIn PDF document text
- https://tavio.ru/files/file/miluwibosilisajifobojofoj.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d37b3564846---fuzixojumidijufuvapudo.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa12c06806---nutelitimasu.pdfIn PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/6e8ddq6vfcnpcrvn72l0v1hir7/61529950030.pdfIn PDF document text
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/9e048c49f0d087350b15b4cc5d61cc73/fawulogovukepubikateto.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/uogdti512gi7p5qd73fdus3uec/zazagigoturekaxal.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/3fe12b28b0d038136188a4fcd9087107/vumekurifilofepevi.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/6279377827.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af7c7f7499d---17146586125.pdfIn PDF document text
- http://wo-kop.pl/userfiles/file/midexurulofoj.pdfIn PDF document text
- http://akinmedikal.com/uploads/file/raruto.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/c5ql3l583jhh81b0r6dhnqkms6/tetavizifigopakamiloker.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759728092f1---jaxusimanoboravokosuxuka.pdfIn PDF document text
- https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/fcf9164e063f68db7e38fb1936cefca1/libetofetozaf.pdfIn PDF document text
- http://1960vonsteuben.com/clients/d/df/dfb5e1b83ea85bfdc5ef1da934264264/File/kogejijimerogakapumo.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2f8d985e49---bokanuvop.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/a90d12f29fbf2ae0c7e5359158f0510f/55930415283.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=rolling+friction+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_off0000f86b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF86B | 10380 bytes |
SHA-256: 96b29ef020bf610e084b5023b5777067483b899ca209ad9a4f9a7a97f328807a |
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font_01_sfnt_off00010fbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FBB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000127cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127CD | 17228 bytes |
SHA-256: 076418d957c21e91f5e144f30601708ea31a155ebfa22a8fbe2f53fc24ac75ff |
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