MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF that contains a link farm pointing to multiple compromised WordPress sites. These sites host further PDF files, indicating a multi-stage redirection process. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
Heuristics 6
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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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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.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160da38439bf47---4877897375.pdf
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/4cdd49742bb0c06928c893eeca03e70a/20730310225.pdf
- http://theettiaresottawa.ca/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/vedegugadesurifulod.pdf
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/15c9e32e42d956159dca815fd70b564e/89418368590.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/4351a0c3a8e76f11b14e6dfd6f0624b0/83578449515.pdf
- https://securityguardsupply.com/php/uploads/file/jitanomuradifojufetaresa.pdf
- https://fleschimmo.lu/userfiles/files/mupes.pdf
- http://waukeganeast1980.com/clients/877304/File/66428693230.pdf
- http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/raxoxivenigaparemumugaveg.pdf
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/4dca0f1a2ebe466f107ac11176de3e62/fosifesunetenirukuwu.pdf
- http://czpohledavky.cz/userfiles/files/revutixasotuvolivuzupal.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd4250ba0d---25251743454.pdf
- http://raffaelecavazzoni.com/userfiles/files/28942434271.pdf
- http://lutechmed.com/Images_upload/files/25411430391.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/an9llqq6m2g75j5iq3mbg3cc72/reserubimademufaxodi.pdf
- http://studiogiamberardino.it/userfiles/files/47770074368.pdf
- http://alemotta.com/resources/original/file/76301020783.pdf
- http://tachikawa-derma.biz/ckfinder/userfiles/files/fakabija.pdf
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160828c7888253---21464527427.pdf
- https://musikkursus.dk/userfiles/file/fufepabanogefabusuzaziveg.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/tlt3fjh47k25bdndnqr5cakbf2/wexusigizulez.pdf
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/41adc175686e80af8dd3296f556af497/91273858457.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/7aef914eb47132cf67404fdc48fb3946/jimemesixiliwo.pdf
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/84a2070fe0d7be7a232c752b37cdf5aa/40283442052.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d63a7990f80---nowinuxajofotejezatasoz.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=t%C3%BCrk%C3%A7e+paragraf+soru+%C3%A7%C3%B6z+tyt
- 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_off0000c923.bin1028c492ba02e8e9571143ac7a35b1795635e715107d82a6451a38002d2f5d9a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC923 | 11224 bytes |
font_01_sfnt_off0000e2ed.bin5071516cb82a981726bbfe8790e481381368098a69133cb2a4e28216bf21b4a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2ED | 18416 bytes |
font_02_sfnt_off0001100d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1100D | 16792 bytes |
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