MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9863
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://eptesteplelek.com/uploads/file/lofogopefesinoru.pdf In PDF document text
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/5dgbt0d91m4p36m90nhhlhcl2d/mewugado.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ae5565ba9---rezerexak.pdfIn PDF document text
- http://csc-0898.com/userfiles/file/20210721185332_a4j36l.pdfIn PDF document text
- https://mmagame.com/userfiles/file/83428918559.pdfIn PDF document text
- https://zhansq.cn/upload/file/56501202865.pdfIn PDF document text
- http://fashioneducation.ru/userfiles/file/laxixobadakepajagozif.pdfIn PDF document text
- https://ksa-machinery.com/images/file/busibavugilonigifapegas.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a6d22ee32---jukevix.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/m2964tjfrclnvu5l4022dmhkpi/23475474405.pdfIn PDF document text
- http://findmealocalpainter.com/insurazon/admin/userfiles/file/zofuzanebemobogegilapemov.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082c4992a7c6---84447048536.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd88dc1ee03---26427208553.pdfIn PDF document text
- https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/ce8f71782c603e9d524f2244fd3a8f96/sezatamemiposimaxeleg.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/51a494ebaae072f203f49d74c80f3643/vatudapipilazek.pdfIn PDF document text
- https://123natura.com/stockages/files/xogogakaxikinewizene.pdfIn PDF document text
- https://yalcinplayer.com/calisma2/files/uploads/gidod.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/c34a727e3f33fc5a2dac2d1cb3c52fa5/liganukokabanilikero.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090945663e8d---29847730613.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/5553cd9b561f066bf2371208903805d3/5686084186.pdfIn PDF document text
- https://xedulichhaiphong.vn/images/news/files/28625203362.pdfIn PDF document text
- https://mavachhaiphong.com/upload/files/pozuzatelexopulo.pdfIn PDF document text
- http://jtour.vn/userfiles/file/dogegidozemu.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/96499784756.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/h8psf0858h03mhiegc7qcsialf/76574782037.pdfIn PDF document text
- https://maggies-handmade.com/UserFiles/files/6765157782.pdfIn PDF document text
- https://seerupit.dk/assens/file/xomoralifakivazij.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=cafetera+express+manual+el+corte+inglesPDF 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_off00014e7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E7B | 20784 bytes |
SHA-256: dd6fada5f0a67e6f88a7857289ea849a8d533db257fe54d9866c09466b2434f6 |
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font_01_sfnt_off00018501.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18501 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00019d18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19D18 | 11056 bytes |
SHA-256: f5a0cfd3894de2aa8b6654992b3eae8a6cbb8e80a78bc3a0a3a6e4a8b9e38f32 |
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