MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised websites or disposable hosting, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via the embedded links. The presence of PDF_JS indicates the potential for script execution within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9844
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://smepil.com/ckeditor/userfiles/files/lavukesebesijaka.pdf In PDF document text
- http://www.patriarca-batiment.com/ressource/site-image/files/9991409566.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160ba71b87f4b7---99583387452.pdfIn PDF document text
- http://smarttechsolutionukltd.com/uploaded_files/userfiles/files/58528288592.pdfIn PDF document text
- http://spc1991.com/ckfinder/userfiles/files/92689549679.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3db8e98351---98311511516.pdfIn PDF document text
- http://classiccar-jp.com/js/upload/files/85582744883.pdfIn PDF document text
- http://www.darvidproperty.com/news/file/ratirukito.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb0e18d55a---79506674842.pdfIn PDF document text
- https://ikima.fr/uploads/file/ronopawinizebokoguzo.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/u2uheoou3an1rvg35r8avfok5d/gubawitirepomudunaxik.pdfIn PDF document text
- http://ediliziaunoaventi.com/userfiles/files/voruwabapan.pdfIn PDF document text
- http://kystar.net/filespath/files/20210826124857.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16093e65e8e161---44519345186.pdfIn PDF document text
- http://refah4ter.info/basefile/hotelrefah4terir/files/46666485956.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b0686e072---49496002660.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/bdcd0d8ad8bbfd157b0fabafe23cbc2d/49470444997.pdfIn PDF document text
- http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/bemebolatinom.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/c7d8c1ac1b9c7e9dbd077ca883a336fe/zobabugosadutuvexigu.pdfIn PDF document text
- http://sumosushingrill.com/uploads/files/kufogikaxe.pdfIn PDF document text
- http://autosvanbeek.nl/mindcms/js/ckf/userfiles/files/67128754254.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1610366de3d3ae---rorebadodaforeg.pdfIn PDF document text
- http://blankheich.de/images/uploads/file/nerabetexaleramuvofanes.pdfIn PDF document text
- http://www.morrisjones.co.uk/EditorImages/file/76355376291.pdfIn PDF document text
- http://www.gamylai.vn/uploads/files/nuzokataganaja.pdfIn PDF document text
- https://viettrungson.com/media//Files/63916032626.pdfIn PDF document text
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/16076aed87208b---xukiboxutuwidaxederu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=pre+ap+chemistry+solubility+curves+worksheet+answersPDF 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_off0000ca1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA1F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e231.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE231 | 18100 bytes |
SHA-256: 852f4e2e5fde4cfe14d76c340f163d9f3da6c606290efc5345984edc4fbcebe5 |
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font_02_sfnt_off000110ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110EF | 11240 bytes |
SHA-256: 2c3f2be7fcdd4d4ccb860ab566d24dd6d527d6ccde2dad1953e9f71d920b1f0b |
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