MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. Heuristics indicate this is a link farm designed to redirect users, with ClamAV identifying it as a phishing trojan. The ML classifier also strongly flagged the PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9944
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 https://wastran.ru/uplcv?utm_term=the+power+of+ideas+pdf PDF link annotation
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/qdfauc5l9bd7s3s7t89mb19bvl/buzuzotapudoloxi.pdfIn PDF document text
- http://mhs69indians.com/clients/864804/File/ruvezanipagiwolizijeb.pdfIn PDF document text
- http://unsersohn.com/images/file/puzotan.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160abd3f1a0d80---lujolupadon.pdfIn PDF document text
- http://au-coeur-du-temps.com/userfiles/file/fovafoba.pdfIn PDF document text
- https://hrmconsulting.biz/upload/files/56927742834.pdfIn PDF document text
- http://neodermclinic.com/file_media/file_image/file/86536626963.pdfIn PDF document text
- http://trinkhorn.org/userfiles/medubo.pdfIn PDF document text
- http://skiflogistics.ru/userfiles/file/benekexuru.pdfIn PDF document text
- http://macautemple.com/userfiles/file/81548706846.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/cdbe64aea02ee1a4c7279b925f214784/toxewebupamega.pdfIn PDF document text
- http://doctour.hu/uploads/ckfinder/userfiles/files/84270433736.pdfIn PDF document text
- https://ovistar-dz.com/ckfinder/userfiles/files/35810224479.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16119dc18d87d6---44744493371.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/773tvmv3f0fmrigogu7hcgsbkr/doroke.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/5d6d76892068e3b08af1bfd5671fe82a/gadipugemewezikejugujob.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160893582abe8a---vomisejafinidikegozov.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16077496d8113c---fuletikak.pdfIn PDF document text
- https://expomediainc.com/upload/file/pobonuxuro.pdfIn PDF document text
- https://robert-zauer.cz/userfiles/file/35484292759.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c485b311902---82904120491.pdfIn PDF document text
- http://www.medicellbank.com/userfiles/files/50598716914.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/ppv1j1tcg6cqn8269aou76ul1f/sodaduwodejo.pdfIn PDF document text
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/a6c7d25df99b154f40987ee29c67d4bb/33744687384.pdfIn PDF document text
- http://king-pro.com/userfiles/files/17240756950.pdfIn PDF document text
- http://optykglowacki.pl/obrazki/files/51455592807.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_off0000e121.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE121 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f933.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF933 | 17492 bytes |
SHA-256: 049f5c5aa9cd076662502d1162215f9037bd5e847ae183e6801abff0d3673b51 |
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font_02_sfnt_off0001264f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1264F | 10396 bytes |
SHA-256: 8f81c45727e2736ace5455e629afa6727b190e40c597a002d7907d1fb4153978 |
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