MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm hosted on potentially compromised WordPress upload storage, suggesting a phishing or malware distribution scheme. The embedded URLs, particularly those pointing to formcraft plugin uploads, are suspicious and likely serve as lures to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606feb51cfbcf---96145077058.pdf In PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b750dd54d---93545494698.pdfIn PDF document text
- http://www.hon-ro.hu/userfiles/files/gogoginopa.pdfIn PDF document text
- http://allmedicus.com/userfiles/file/75832852975.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/d97a1672fb2c8526e3db9c5da7416e5f/velujosepoziwawojip.pdfIn PDF document text
- http://usagimatur.com/files/others/fosapum.pdfIn PDF document text
- http://valeneighbors.com/userimages/85992650174.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081a327de707---fuzewibudonuga.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021062822490936.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a90cc29824e---sejatixuzasinumapo.pdfIn PDF document text
- https://mytopics.it/uploads/file/dubipunubebo.pdfIn PDF document text
- http://www.chubsorn.com/file/files/bevazireterokag.pdfIn PDF document text
- https://tw-itemaos.com/ckfinder/userfiles/files/47445045502.pdfIn PDF document text
- https://baoholaodong24.com/userfiles/file/rozufitajujidugox.pdfIn PDF document text
- http://vangphugia.com/userfiles/file/41035089852.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b46a6b9e24d---24626125552.pdfIn PDF document text
- http://hasici-pristroje-eshop.cz/files/file/35828301297.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160727fa19a65a---luletopazibisifikuxudo.pdfIn PDF document text
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a67ce14b5---jetozutovigefab.pdfIn PDF document text
- http://nowator-zpu.pl/userfiles/file/zopegusegexow.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad281ce4eb---38270057009.pdfIn PDF document text
- https://babamore.com/upload/ckfinder_temp/files/20210530112902.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/uoi8k6fuf0u82hdndjb5gtts5o/38056120230.pdfIn PDF document text
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/3e6a0fe721e7875bc200866bffca14ba/16675166542.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a73242ec0f---24722144123.pdfIn PDF document text
- http://promador.pl/userfiles/file/10953369676.pdfIn PDF document text
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/0f27ka3n8c2vh8rk8v07078p99/kidoja.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=o+livro+dos+salmos+pdfPDF 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_off0000f54a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF54A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010d5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D5C | 18948 bytes |
SHA-256: e14af83e16a5cb0488d0c5c801482dc2fa74df9be331c404a25273cc9716fc7e |
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font_02_sfnt_off00013b05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B05 | 10416 bytes |
SHA-256: 0ee17d23f69be3ada1e8c6fdae903fb2c739f963700a8c30f08a1c9d0c260554 |
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