MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of links pointing to various websites, many of which are hosted on compromised CMS platforms or disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicate that this sample functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://ketchas.ru/uplcv?utm_term=square+knot+suture PDF link annotation
- http://reelproductionshd.com/userfiles/file/bijusujinedisufu.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/1169e0c99122915abc51256fc6aac0e6/3643088474.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/1af447bc837b003264da7d6254b134fc/82829390801.pdfIn PDF document text
- http://mintaialuminum.com/d/files/41653879349.pdfIn PDF document text
- https://consultingexpert.eu/fckeditor/userfiles/file/85956386344.pdfIn PDF document text
- http://maychamsocda.vn/images/userfiles/file/69009215951.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/a0c936768afce81d6f88e00f4864532d/69398640656.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/892d6340d7780232974cfa870c7ada52/masopis.pdfIn PDF document text
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/favulil.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d0c9da722c1---91709629223.pdfIn PDF document text
- http://dekoblickfang.de/userfiles/file/gejizemedomamolepaziri.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c533adda669---ropamezomemamolew.pdfIn PDF document text
- http://nanumed.ro/uploads/files/32282582663.pdfIn PDF document text
- https://hazeloyun.com/calisma2/files/uploads/vesomakazemazafunaw.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9b45027128---jolesakalujem.pdfIn PDF document text
- https://xn--z4qq44i.tw/upload/actfiles/80307589400.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfa904d87f---betopolexiveranujija.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af9798af86f---95878674709.pdfIn PDF document text
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/2427646240.pdfIn PDF document text
- https://micsys.in/userfiles/file/44162758767.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160c931e79424a---7066139531.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f162066b7---17311061926.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/d2c9441c6ae68b5a5f07e747b636eccb/sozenefuxok.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160dfc170ad797---24243808304.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_off000127c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013fdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FDD | 10376 bytes |
SHA-256: 45f4da9971ffeb785dd7a382920b2f9cffbacd4ed818245ade6fbc7d976e5686 |
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font_02_sfnt_off0001577d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1577D | 17704 bytes |
SHA-256: 1ebd08b73bc0093dccd71f41c8b39abc41e9c273c32d6d85e56fa935d4aa5d6e |
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