MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. It also features numerous external links, including one pointing to compromised WordPress upload storage, suggesting a phishing or malware distribution lure. The ClamAV detection and ML classifier further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 https://wastran.ru/uplcv?utm_term=iso+resident+evil+4+ppsspp PDF link annotation
- https://my-natural-style.net/upload/files/tijunopanefesolejimax.pdfIn PDF document text
- http://www.greenfield-sustainability.com/images/files/bavimoniluzoguvosus.pdfIn PDF document text
- http://frankifoto.com/uploads/pages/files/sexosadidilisufijite.pdfIn PDF document text
- http://nhac.ditimchanly.org/Images_upload/files/gexafogataduterupe.pdfIn PDF document text
- http://exito-opakowania.pl/userfiles/file/nudibemijisuk.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/2b4105f19e8806d202d0d9ffe5f4eb7b/vefewudod.pdfIn PDF document text
- http://studioriboldi.eu/userfiles/files/26832707853.pdfIn PDF document text
- https://axlthailand.com/imagexx/files/76790986167.pdfIn PDF document text
- http://star-transform-moscow.ru/uimg/files/tinax.pdfIn PDF document text
- http://gemcom.org/userfiles/file/menutenoxo.pdfIn PDF document text
- https://korvioinfotech.com/ckfinder/userfiles/files/88165395057.pdfIn PDF document text
- https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/senalozibinuxa.pdfIn PDF document text
- http://biosurfest.com/userfiles/files/pedafelatoxivezal.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1614114f3b4b46---71872424612.pdfIn PDF document text
- http://carnow.jp/js/upload/files/21966807702.pdfIn PDF document text
- https://mailing.crpm.ch/ck/ckfinder/userfiles/files/22283991948.pdfIn PDF document text
- http://pscworld.eu/ckfinder/userfiles/files/64207945329.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134ea4fcf0f2---tesubuxedipizedaxif.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139bd697dd99---4156311101.pdfIn PDF document text
- https://piti.leaddeehub.com/userfiles/files/natoreje.pdfIn PDF document text
- 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_off0000af8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF8E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c7a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7A0 | 15588 bytes |
SHA-256: 3aab2a747e01658726963f0bfed3e1f90ca913b7395359988d946f505093e36c |
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font_02_sfnt_off0000ef6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF6D | 10316 bytes |
SHA-256: de9b32cdfe50888fece5556f2261cd7d843bf3ff72f208da2a8af34c78a50ea2 |
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