MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan. The presence of multiple distinct hosts and links per host reinforces the link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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 http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ced62f527ba---fumisinedubew.pdf In PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b88a6431d4e---31267214077.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/5m1eim7seupeasbv88d70b29ci/pisugosimatimi.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b87e5dd82d5---26625838785.pdfIn PDF document text
- http://djarkitek.com/temp/vinney/HTML/userfiles/file/xajilosutefi.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/rur9h4p950r4kvuqdsu1qiuc87/jerivoditupolujiwepodalo.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8c843d0b2---bixarunif.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/9ce49d40bc26d12321f9866ae28053e2/82337116351.pdfIn PDF document text
- http://hart-metale.pl/gimnazjum/userfiles/file/87300490473.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160e1360e4d29b---gaworerevorirarojagapi.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c84ee85c88b---befeduk.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6e8f5ab4c4---dapowurimife.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160715bdae9a36---37839488826.pdfIn PDF document text
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8e24937958---62629440862.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607bcf2029425---93662914973.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/d5f765161e779e6ca3351b4d1e71619c/wolurodaragawusi.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609e50e249c32---35019986710.pdfIn PDF document text
- http://www.corazondelsol.es/ckfinder/userfiles/files/gozuzo.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/88427270906.pdfIn PDF document text
- http://p-itos.net/admin/userfile/image/file/nifilefigim.pdfIn PDF document text
- https://leganordavigliana.it/uploads/file/selunigep.pdfIn PDF document text
- http://kppzp.pl/userfiles/file/wojomesuwufik.pdfIn PDF document text
- https://emauto.lv/index/images/up/file/dufaje.pdfIn PDF document text
- https://infypos.com/infyposcms/media/50701619159.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+use+cuisinart+stick+blenderPDF 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_off00011e1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E1E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013630.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13630 | 17564 bytes |
SHA-256: c55b92281db4301db827eccede68849079aab4b564a6b95a7bee621bd128c34c |
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font_02_sfnt_off00016418.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16418 | 10772 bytes |
SHA-256: 40e931c17fea66cae9cb01f1a4334b340d546a0a987a03b77d64b98099954b65 |
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