MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm the malicious nature of the document, likely serving as a lure for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://synerhu.ru/uplcv?utm_term=olympic+size+pool PDF link annotation
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/7ded49b245ab99108cfe7bf6ff63f2e8/dodesitoboxaxapejaxu.pdfIn PDF document text
- http://cristal-in.fr/userfiles/file/59975097197.pdfIn PDF document text
- http://computerdoki.hu/user/file/fenajunimarafuke.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f96e09457---lidopubirubafu.pdfIn PDF document text
- https://cuisinescartier.ca/upload/editor/file/witamenemedawe.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160987b5d7d64c---defononotonozen.pdfIn PDF document text
- https://lawyerupsmart.com/tempimg/file/xapuxumopufur.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bd858d4c819---xozebavugujaveji.pdfIn PDF document text
- http://sochistandart.com/ckfinder/userfiles/files/11087877107.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e23072844---62248849504.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16079662e076c2---pebifizavomamolajixel.pdfIn PDF document text
- https://castel.ro/userfiles/file/dufidedibesijaravo.pdfIn PDF document text
- http://eraldocomo.it/userfiles/files/4082051953.pdfIn PDF document text
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d154d9d87b---dozobaxizisukojido.pdfIn PDF document text
- https://watertorens.nluserfiles/file/82045599404.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/92be19dfbce655e60b69c353b852c006/mazerorakidedik.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bdb5c2c4fb---nulutikejanozedupiresexat.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/254lv2i2tccs8hv0jc5qkeojt5/gakosimaxilibabumoj.pdfIn PDF document text
- https://villamishkan.com/310renonew/front/images/files/92923301367.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608283d6879b4---77478149949.pdfIn PDF document text
- http://stinpo.com/ckfinder/userfiles/files/salizomasog.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/a9c05a6c62fe59c331b8a58a7ae3c09d/76121571689.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160754a3ae7d65---fujezifipekokamese.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/5v8tkrm3mlchmfj6v0jsorg40p/31734625587.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/b3e6ded6893f3a71156bd638033d7f45/91930092270.pdfIn PDF document text
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/b3a5f1366dfbb318a3624a292cb1e106/72777282628.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609825199e5bb---93096172672.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_off0000f447.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF447 | 16820 bytes |
SHA-256: 03371ed0fc85a4e1f0e3e9fcd60e3841cef87543dc802f6a6e4b31f431667fa3 |
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font_01_sfnt_off0001201a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1201A | 10268 bytes |
SHA-256: 87d52d62b1ae2080c8c66158624ecdf7ba64013a94145da3638783a4c311a052 |
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font_02_sfnt_off0001374b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1374B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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