MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to distribute malware or phish for information. The presence of external URIs and a high ML score indicate a strong likelihood of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://b2bircruise.travflex.com/bot/ckfinder/uf/files/5534616810.pdf In PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161481e21ae8c9---xonulafinemorofe.pdfIn PDF document text
- http://oxigensupplies.com/shipinc/userfiles/files/tukadapuwo.pdfIn PDF document text
- https://ietc-oman.saktoon.com/userfiles/files/zuvosexajupidujizam.pdfIn PDF document text
- http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/24653776981.pdfIn PDF document text
- http://ashole.hu/UserFiles/File/webafiwofana.pdfIn PDF document text
- http://abwhopewell.com/uploads/files/44883141633.pdfIn PDF document text
- https://boyanbolyarski.com/userfiles/file/sawujojesopozafexor.pdfIn PDF document text
- http://tatvideo.ru/ckfinder/userfiles/files/kufefuvif.pdfIn PDF document text
- https://samarthanamparisara.org/apadmin/uploads/userfiles/files/50940633329.pdfIn PDF document text
- http://everest-c.ru/ckfinder/userfiles/files/mupufit.pdfIn PDF document text
- http://yieldpharm.com/upload/files/zaroruwudoxof.pdfIn PDF document text
- http://polletnv.be/uploads/files/83911615450.pdfIn PDF document text
- http://am-assets.com/aom/magnolia/userfiles/file/penasomumasis.pdfIn PDF document text
- http://rocb-ap.org/file_media/file_image/file/visutajuruxabominiramejo.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef14c73e49---57153039544.pdfIn PDF document text
- http://urbanelect.com/userfiles/file/dumogazimejaduxijosepaj.pdfIn PDF document text
- http://simp-q.ru/userfiles/file/35983340205.pdfIn PDF document text
- http://schokofontaene.de/idata/63041551405.pdfIn PDF document text
- https://highendteen.com/userfiles/files/90541630207.pdfIn PDF document text
- http://archidaldegan.eu/userfiles/files/temabaler.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161371c9bb312e---43581237301.pdfIn PDF document text
- http://caythuocnam.org/images/files/muvuvojitosudibitu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=download+oddworld+new+n+tasty+apkPDF 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_off0000e2b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2B7 | 17676 bytes |
SHA-256: 288791c814e0f95960526667c0c11b9a895faa043a53c5668ae01c31b8bb0dc3 |
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font_01_sfnt_off0001103f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1103F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012856.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12856 | 10588 bytes |
SHA-256: e0121380da6078eb07096db88e4d4bd790efe456cc9bd100a03367a03341fb55 |
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