MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, flagging it as a phishing trojan. It contains numerous URLs pointing to PDF files hosted on various websites, many of which appear to be compromised WordPress installations. The PDF structure itself is indicative of a link farm, designed to redirect users to potentially malicious content or facilitate further downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://wastran.ru/uplcv?utm_term=list+of+parliaments+of+the+world+pdf
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/okq9lkjj24ga800paatoqe89vd/feditawonoli.pdf
- https://ipic.vn/userfiles/file/kojawaponamumijufesugupi.pdf
- http://karpatskiles.ru/store/file/finakegami.pdf
- http://dealershop.es/userfiles/file/26790370234.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/7h7ggig3edoggjjlbd8meuufvl/kikifa.pdf
- http://driver-jazda.pl/upload/file/27218071628.pdf
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/4cd59595ff90c1fb887397e2e1e14d53/ganigarazifedimovoli.pdf
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160719ead07220---wufozutipedoso.pdf
- https://samudra99.com/contents/files/78130177058.pdf
- http://caogenzhiben.com/filespath/files/20210820103039.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160fd5560d63cf---mululunosagawilerosasuva.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/pvbh2o394gcvqe3jkullsug7e1/nagume.pdf
- http://longthinhphat.net/uploads/files/23828326159.pdf
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/b739a40d28fc5bc3e1f69f12cedace3c/39619548277.pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/rngdifcfn7i5r11djfmbdm0aol/47526975290.pdf
- http://abwrichmond.com/uploads/files/54709520122.pdf
- http://adamlegal.com/userfiles/file/jofepifavovozadifalewevuf.pdf
- https://anthonygillant.com/userfiles/file/13348973724.pdf
- https://vate-tire.ru/wp-content/plugins/super-forms/uploads/php/files/1567f10d8cac23ca5eb504384a1a1553/52543933685.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/6ae86ec4599aa88cabc418cb8ccc4966/modebewekomadakujajof.pdf
- https://aedwea.com/upload/foto/pujuwifiwadotutikotuw.pdf
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/64d306b0a0e66b8651844752b09e3dbc/37351441978.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/5aed1ff0faf2c2ee2dd3269f24e97589/ruruvuvorat.pdf
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fbdc1e78b24---7464689864.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_off000119fb.bin50d63c676c6b779b4022569ec31a49034c98641ed2d4b3cb32114880d3073340 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119FB | 10808 bytes |
font_01_sfnt_off000132ba.binc28bfc458a04337e709c1243c4250d04aa77b9e10a2f6bada0999fbfb11af422 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132BA | 24684 bytes |
font_02_sfnt_off00017212.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17212 | 16792 bytes |
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