MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to compromised CMS upload storage and disposable hosting sites. The embedded URLs likely serve to distribute further malicious content or lead to phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a95fcf75fb0---xirejuwigedamakemotebin.pdf In PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/4fcc4ad3c16d4bfc632fc5c42cedf0e9/junojekexixobetikalezi.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160a0608c27354---10241912922.pdfIn PDF document text
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/3prde8nql62bafv2st62ub44c4/87309133322.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a138b4cb417---5920392768.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/q49mptuhtmcbnqkhqbg9ssvob7/mefofomerezurorisuvaxu.pdfIn PDF document text
- http://npxbyy.com/wang3_3_10_27/Upload/Upload/file/202163552187142.pdfIn PDF document text
- https://angkortaxiservice.com/userfiles/file/mudisanobifudejev.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/tewokaviz.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6e9acf941---lefokubunuwogafisufine.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160cfa2dfa6e4c---joditexafu.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607c16cfedb65---xovemufazugosive.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/37794151307.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/440c4b0949c1b0a8b42797769ec4d72e/fupedumixanepojalalosuf.pdfIn PDF document text
- https://oddluzanie.net/userfiles/file/vokajezulotadavafofozup.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/ba317dbc8e70cee6244256d7680a682e/45064632034.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/29b58a4ce429eb95d8aa081a0ba96506/remuselaxisoselakoj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=what+happens+when+you+slip+a+disc+in+your+backPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e467.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE467 | 5572 bytes |
SHA-256: 4967639d64cd4c744f2880c1d304dc3ad88e84fe1932b6f60b7a2132ce2e7a9b |
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font_01_sfnt_off0000f767.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF767 | 10336 bytes |
SHA-256: a9d7ae9592ea791aab53816831cfa355231b5684711bad96839a843a390fdbf2 |
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