MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating it likely contains exploit code. The presence of a link farm heuristic suggests the document's purpose is to redirect users to a collection of other PDFs, potentially for SEO manipulation or to host further malicious content. The embedded URLs point to various unknown domains, increasing the likelihood of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 5
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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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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://by-express.com/upfiles/editor/files/wadotefulunaf.pdf In PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/ff687b69e4a873a5590382180318fd45/17227507662.pdfIn PDF document text
- http://www.urbanwaterways.info/files/68456932107.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/161390124bf90c---77913242943.pdfIn PDF document text
- http://weorderfood.com/uploads/files/82882557043.pdfIn PDF document text
- https://gbp.dropship-online.com/userfiles/files/92107873029.pdfIn PDF document text
- http://satisfytech.com/ck/upload/files/45932444965.pdfIn PDF document text
- http://vyveva.eu/UserFiles/File/56822062215.pdfIn PDF document text
- http://amicalelaique-guyancourt.fr/ckfinder/userfiles/files/ligozapokixisazami.pdfIn PDF document text
- http://tongkhomica.com/upload/files/mevituxaviguwokul.pdfIn PDF document text
- https://mimpishio2bet.net/contents/files/ferapibeboru.pdfIn PDF document text
- http://3bbb.fr/ckeditor/upload/files/namazolavupugole.pdfIn PDF document text
- http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/56721828784.pdfIn PDF document text
- http://gamulchi.org/userfiles/file/wukulibepuzovudaxubiti.pdfIn PDF document text
- http://huspanda.com/data/ckfinder/files/67364641089.pdfIn PDF document text
- http://internationalnetworksolutions.net/files/In PDF document text
- http://lhdrum.com/User_File/UpFile/file/20210919015358_a293YW51a3VuYXh1bWluZWw=.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/74525628695.pdfIn PDF document text
- http://fleshlight-tw.com/userfiles/file/jarifonatimoselo.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161358a23137b9---45778086884.pdfIn PDF document text
- http://fszhenjia.com/upfolder/e/files/20210905125017.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/16711043821.pdfIn PDF document text
- http://diagnosticaedilizia.com/userfiles/files/gudepowit.pdfIn PDF document text
- http://kzlo.pl/fotki/fotki/file/25722585760.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=general+principles+of+commercial+law+7th+edition+pdf+free+downloadPDF 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_off0000bca6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCA6 | 11060 bytes |
SHA-256: 067c24b120be0004f932d1fc844bf27c5491dcfeba22ddbc05b5075a14ebef01 |
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font_01_sfnt_off0000d654.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD654 | 19140 bytes |
SHA-256: 163227d5f9a1f7559be6850611ada66f3c8b960f5df8dbafa0ee691d33bab294 |
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font_02_sfnt_off000107c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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