MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of embedded URLs, many of which point to compromised WordPress sites, suggesting a link farm designed to distribute malicious content or phish users. The presence of multiple links on disposable hosting and the use of 'utm_term' parameters indicate an attempt to manipulate search engine rankings or user clicks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16139dc440f99b---41755979435.pdf In PDF document text
- http://lexen.ca/userfiles/files/wunewipepamib.pdfIn PDF document text
- http://ofitecnic.es/files.ofitecnic/fck_up/file/21480558364.pdfIn PDF document text
- http://topoint.net/userfiles/fckFile/20210921050040.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/fd3bf6523e497a9d07c63daa48a3ca1c/99858010346.pdfIn PDF document text
- http://krasneclanky.cz/uploads/33988045173.pdfIn PDF document text
- https://dejavuruse.com/userfiles/file/16096625029.pdfIn PDF document text
- http://onlinepravenconsultant.com/uploads/wysiwyg/files/23568090173.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/fetupofumezazu.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/4557398195.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146ff21d6e70---60054229988.pdfIn PDF document text
- http://ashole.hu/UserFiles/File/rubepupirapugal.pdfIn PDF document text
- http://chothuexehochiminh.com/userfiles/file/ralixeritexaxalem.pdfIn PDF document text
- https://felicitareonline.ro/ckfinder/userfiles/files/13921461182.pdfIn PDF document text
- http://f-kcc.jp/user_data/userfiles/files/lenojej.pdfIn PDF document text
- http://vimar.ua/userfiles/files/78132779980.pdfIn PDF document text
- http://kiko168.com/UploadFile/file/20210918065142708.pdfIn PDF document text
- https://podereilmontaleo.it/writable/public/userfiles/file/daxunixunisibesel.pdfIn PDF document text
- https://turasmobilya.com/img/editor/image/file/9521546782.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1613772c226e33---54800898777.pdfIn PDF document text
- https://bienenaktuell.com/sites/bienenaktuell.com/files/file/lokope.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=autocad+premium+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_off0000d26c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD26C | 10528 bytes |
SHA-256: ded1f32efb2d825a1d2ab7d88647eb79d2cb594d6defbf0d80b321b66b896910 |
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font_01_sfnt_off0000ea77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA77 | 18160 bytes |
SHA-256: f90bf5953d82d8ba63614056c3507435a1f755e36cc291b3aa7548bd6c9e7537 |
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font_02_sfnt_off00011a36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A36 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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