MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a phishing trojan by ClamAV and flagged by an ML classifier. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress sites hosting PDF files. The 'SE_INVOICE_LURE' heuristic suggests the document's content is designed to resemble an invoice or payment request, likely to trick the user into downloading a secondary payload from one of the provided links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d55324d9a1---mibolujexuxubevet.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/fb45afd9d80a01e646d392e888ac8fa9/7564627911.pdf
- https://datawire.gr/files/files/xudifulesoralatuxaf.pdf
- https://quangcaowebsite.vn/uploads/files/vuwedidufejokoduwozulefuz.pdf
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606caa71e0ba3---17327831705.pdf
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160861596c005a---pedasovarevariwubukalexev.pdf
- https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f24dc26f5f---59409453673.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/e124ef662bb2718a301e143f5aa69aed/kexalorubizavokupame.pdf
- http://billsky.ee/files/file/tolonosonuzud.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/73547e3280f23afa82ec9519ae973780/37828805036.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608f90d1ae367---wonenebasovilugopofime.pdf
- http://yule-sign.com/upload/editor/file/20210603203834.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/fjopjfc0rd10kq96eb34bmlsu6/81868025218.pdf
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/b9493172f610748351aa296f1548942e/55138053451.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/d909fe35f0e2ef478eeeb863e294ed72/78148586409.pdf
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/qjim6pea895hm35df1tchs7oir/jipadegesogas.pdf
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c45bba422d1---3791971894.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/a22k2rofm3l46g9t4lnjc0h1d2/nigotetenamobosezomojefo.pdf
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/10c2e66137ed1f92930978f939f646ae/93337711008.pdf
- http://beepost.vn/upload/userfiles/files/botefojuvenerawopex.pdf
- http://czdashan.cn/uploadfile/file/2021051512454773499.pdf
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/2s1cgqb3ur9k6g4fp521buv6ft/koxosejitovalu.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bab7c956231---2960886298.pdf
- http://ztkammer.at/uploads/file/9957022255.pdf
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607eebdc5a246---16136572392.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=accounts+payable+in+simple+words
- 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_off0000ec0f.binbe034b1b9184722a835facb3e5687495c11a989317cdb6f71de947efc03eec39 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC0F | 18932 bytes |
font_01_sfnt_off00011d5f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D5F | 16792 bytes |
font_02_sfnt_off00013576.bine7da45e8d692a0f24e4e62b445100acb3c7f5e1df6d2f38ec2afba58abdc1984 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13576 | 11096 bytes |
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