MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The heuristics indicate it functions as a link farm, directing users to compromised WordPress upload storage and disposable hosting sites, often with deceptive 'utm_term' parameters suggesting a lure for hacks or downloads. No scripts were extracted, but the overall structure and URL targets point to a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16073d7005d369---varalofubojovuvuzugufiti.pdf In PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b043db3063c---tazegowigunidofizabanul.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b61ec1aff---nevotopimugubebaturagepu.pdfIn PDF document text
- http://omatsuri.kr/data/userfiles/files/72848433504.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6f50452c39---gonusinesubebiro.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/bbier2atgslj3smvqdff3ulrac/jomixux.pdfIn PDF document text
- https://moto-trend.cz/public/files/fck/file/20387172718.pdfIn PDF document text
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/8f86dfdc64bf81f53ca41513e640e9ff/6095371797.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1c003105a---69944248842.pdfIn PDF document text
- http://songpinhao.com/userfiles/files/pevatafanititasijox.pdfIn PDF document text
- http://amirafouad.com/uploaded_files/file/debedaputege.pdfIn PDF document text
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/fc2a885c1361b5d50e4dafa5ec493b98/luwelen.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608776a79f776---noledeniladazajapol.pdfIn PDF document text
- http://bkht.vn/userfiles/file/kolejaxokisunufegexogiso.pdfIn PDF document text
- http://www.biosafety.biz/ckfinder/userfiles/files/vobaludutag.pdfIn PDF document text
- http://airholic.com/UpFiles/WebEditorFiles/file/17457765760.pdfIn PDF document text
- https://szalkasszorutacskok.hu/app/webroot/files/content/files/74252046820.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/12422423039.pdfIn PDF document text
- http://caphegiabao.com/upload/fck/file/4524947223.pdfIn PDF document text
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/9623c8dbdab04341db3d0a899c116a30/vinudupimeza.pdfIn PDF document text
- https://osakadentalcare.com/contents//files/jafajamebotefir.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e085d238f4a---24327701488.pdfIn PDF document text
- https://himalayanthailand.com/image/upload/File/72658882353.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=coin+master+hack+app+link+downloadPDF link annotation
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a7bae18be---kazukujel.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_off0000ef21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF21 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010733.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10733 | 16976 bytes |
SHA-256: c5590118d79c5bf8cb3f9a3babc41f35e4cb4c2ddf9a9ea0da092b8e4f4038c8 |
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font_02_sfnt_off0001333b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1333B | 10988 bytes |
SHA-256: 84d995d6ac8174caecf2a64af593996276c19ffa2c504ae629da5d5a3b3b756f |
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