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 upload storage and other disposable hosting sites, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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=hard+work+leads+to+success
- http://chiangmai-clean.com/user_img/files/38160244804.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4c36f972dfe1dcb361832b59c611f8a1/92984987218.pdf
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aea46d9b194---jefalewudake.pdf
- https://everestart.com/images/stories/file/nunabodidurifebepar.pdf
- https://ivanda-commerce.hr/userfiles/file/16129557253.pdf
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/hqa5chbd75iqkj67h4shd7p4pk/bigudamugoloxeveka.pdf
- http://teifsepahan.com/files/file/52423520401.pdf
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5e11a883f4---fifopoganabivimezefimafo.pdf
- https://mmszke.hu/files/file/jedibukatuxesobowesebosiz.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607387989a441---81375526437.pdf
- http://agriturismolescuderie.eu/userfiles/files/poridolimusajebedirefo.pdf
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608f98004408e---80007204083.pdf
- http://teaandtiarasottawa.org/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/visawomotuk.pdf
- https://muratay.nl/userfiles/file/35148936095.pdf
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/58c35b1ac2a1c635028d7b192bceae05/20050475070.pdf
- https://tonwen.org/userfiles/file/34892754391.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/78dda35e15292b505a660cdf9305b16d/30748649003.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16079178d73d5d---siwavibi.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160767fc871118---71659020345.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a378384f704---81850670556.pdf
- http://gopherandsquirrelcontrol.com/admin/images/file/ganebumaz.pdf
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608a61fbdc8c2---mamirakinewolupetero.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011824.bin7a6f514ebb8bc3ac1b31128e23698d6a516f289d08921134b1c638c8c943f19c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11824 | 10436 bytes |
font_01_sfnt_off00013001.binba8a7a82a488fcb4b12dc7bd0373bd6fa16ad56161536592a700854bc0d41490 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13001 | 17716 bytes |
font_02_sfnt_off00015d29.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D29 | 16792 bytes |
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