MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress upload storage and other disposable hosting sites, forming a link farm. These links likely lead to further malicious content or phishing pages, indicating a distribution or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://medvor.ru/uplcv?utm_term=yubikey+nfc+android PDF link annotation
- http://acpiindia.com/userfiles/file/gututojelipasogokano.pdfIn PDF document text
- https://unique-u.biz/images/uploads/file/95929339729.pdfIn PDF document text
- http://mibenjamin.com/userfiles/file/44574442493.pdfIn PDF document text
- https://jahanchart.ir/data/files/file/segakemobinugin.pdfIn PDF document text
- http://spbmedax.ru/sites/default/files/uploads/93167746875.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/161423f3e30b4e---20947336860.pdfIn PDF document text
- http://twilaw.com/files/files/vozogifakusataburika.pdfIn PDF document text
- https://hnhaa.com/userfiles/tnejp/files/21210588920.pdfIn PDF document text
- http://maternites-catholiques.org/ressource/site-image/files/59583645606.pdfIn PDF document text
- https://trainova.com/userfiles/file/81107345851.pdfIn PDF document text
- http://ativn.com/upload/file/67624406554.pdfIn PDF document text
- https://rockyhotelsgroup.com/uploaded/files/38890988307.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1615401950020b---14228734888.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141d226f34d9---jerowopubimuwareneruma.pdfIn PDF document text
- http://stroyindustry.com/userfiles/file/75075132624.pdfIn PDF document text
- http://qdjshg.com/files/file/22933608205.pdfIn PDF document text
- http://wedooverseas.com/userfiles/file/tazenipaxuj.pdfIn PDF document text
- http://yuanhebiotech.com/upload/files/76348458369.pdfIn PDF document text
- https://quizai.com/uploads/files/noxafudeleboduzubakuba.pdfIn PDF document text
- https://repairbase.net/FCKeditor/editor/filemanager/connectors/php/images/file/litavabuboguseli.pdfIn PDF document text
- http://marcth.pl/media/fck/file/29284376892.pdfIn PDF document text
- http://divapharma.com/uploaded/file/salowobagobodizeduwe.pdfIn PDF document text
- http://qtjdb.com/UploadFile/2021/09/04/file/20210904_115647_138.pdfIn PDF document text
- http://3e-recycling.ru/app/webroot/filesfiles/vunofejunokipekepukovabag.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_off0000b64c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB64C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE5E | 17248 bytes |
SHA-256: 171853f682d0da215a6f49ce30a7558d1fa1ed7c3376f9c29e17e3df1f86ccf1 |
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font_02_sfnt_off0000faba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFABA | 10588 bytes |
SHA-256: 599fefa8f9732123f11c237357255544a4dc68486e7fb0d89229ca6247a800b7 |
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