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, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous embedded URLs that point to compromised websites, likely to lure users into phishing scams or download further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights the nature of these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://krisoc.ru/uplcv?utm_term=self+manual+lymphatic+drainage+for+legs PDF link annotation
- http://cavusofis.com/images_upload/files/18079554899.pdfIn PDF document text
- http://beiwendq.com//data/attachment/file/90267503940.pdfIn PDF document text
- http://checopharma.com/upload/files/53518385777.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/56b6915d89b4ac85c6984705f5de202c/takinosawawanepejawa.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/rugqu2agptij1kn87ba68a59vi/67347762781.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/e9fdc082a9b7dbcaef8efb3d82f948fc/vomevonuzifidijoxesapag.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16094cb52efd80---motogadoruxi.pdfIn PDF document text
- http://zetrade.cz/userfiles/file/muximatepilasawovulu.pdfIn PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/bf1e923643f0bdda01c1ce7ec6771539/18074460133.pdfIn PDF document text
- http://modnyi-buket.ru/uploads/files/zopegijesovupiwapasewezok.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/918c56d8a004f38dec4e6853f19197a0/vusubomemisuxorime.pdfIn PDF document text
- http://bbfederico2.net/userfiles/file/pibozuzopiv.pdfIn PDF document text
- http://massimoandyuethui.com/clients/69227/File/16593532116.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/rj15bjrm7tu2br5smnbv37jhgu/gisekik.pdfIn PDF document text
- http://cellesekorea.com/ckupload/files/sixumosorikapogonuxun.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5874915c27---javep.pdfIn PDF document text
- https://alexandrapanayotou.com/web/images/static/file/90950687105.pdfIn PDF document text
- http://www.radio-kum.si/data/files/6389377212.pdfIn PDF document text
- http://yuemeism.com/uploadfiles/files/tebexodenewij.pdfIn PDF document text
- https://b2cexpressdemo.com/userfiles/file/71602498647.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096c881e1f9d---78944898639.pdfIn PDF document text
- https://rubenoferro.com/userfiles/file/zoweniteritetibivovokimot.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160793441c3634---27439719905.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160986676b7fbd---dizigudow.pdfIn PDF document text
- https://badrivishal.com/media/23517242886.pdfIn PDF document text
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/5e86e5b6a32a48af5fe530680a9eecdd/gixolujafedo.pdfIn PDF document text
- http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/lipugupokivag.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_off0000dde4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDE4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5F6 | 17260 bytes |
SHA-256: 3610650772dfb2219e676390e9ef95cf7a702fcc28bca0416487c3d65166ae44 |
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font_02_sfnt_off00012255.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12255 | 11356 bytes |
SHA-256: b7b2023c9ddd1a85610829d07bc5b3e3d5c87b00299d10c0211a5ea5c169fca0 |
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