MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting an attempt to redirect users to malicious content or downloads. The presence of a visual download button and callback lure heuristics further support a phishing or scam-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 8
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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 https://nomylo.ru/uplcv?utm_term=half+girlfriend+full+movie+download+filmywap+com
- http://mingmitrcoffee.com/user_img/files/61281277213.pdf
- https://gegeny.hu/uploads/file/8895532070.pdf
- http://gospel-pour-100-voix.com/fichiers/newsletter/file/zoruberakilel.pdf
- https://beta.nhatthiengroup.com/files/uploaded/files/jexivuxodivim.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613291421126a---43405632303.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16139bf4c20b13---sipasev.pdf
- https://euronet.stonavka.cz/webpagebuilder/ckfinder/userfiles/files/xigulosimivopewos.pdf
- http://nanumed.ro/uploads/files/10772895780.pdf
- http://clingac.es/d/files/89674084529.pdf
- http://patrick-jardinage.fr/ckfinder/userfiles/files/15698459767.pdf
- https://hijaustabilo.com/contents/files/70231633934.pdf
- http://bukvoznaika.ru/ckfinder/userfiles/files/47632617803.pdf
- https://korvioinfotech.com/ckfinder/userfiles/files/96795727647.pdf
- http://chemonova.com/FCKeditor/file/17310041257.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/161374a8d639e6---71962942882.pdf
- http://incomsistema.ru/ckfinder/userfiles/files/55185826827.pdf
- http://thetsaban3watnuea.com/UserFiles/file/luvabakiwezojinujotimoji.pdf
- http://debseven.net/UserFiles/File/kudugijixekarufuxeza.pdf
- http://kunmobile.vn/files/uploaded/20210921/file/86899060557.pdf
- http://nhadeptannguyen.com/uploads/files/32966338475.pdf
- https://blsautomation.com/ckfinder/userfiles/files/belupe.pdf
- https://istanajp.net/contents/files/90536333534.pdf
- https://edgecs.com/documents/kenod.pdf
- http://turnyras.lt/Files/file/vurudesapemonusupuzisude.pdf
- http://residencelesaline.it/userfiles/files/zakatogezamigosajuvulu.pdf
- 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_off0000e1f4.bin7b5d489089c9062d3a334fbc1c32fbfc25f71f5b214456c603bd54ed2854c32c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1F4 | 17692 bytes |
font_01_sfnt_off00010f37.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F37 | 16792 bytes |
font_02_sfnt_off0001274e.binee8e624f61746d4a9f045ee84eac7190c6d9459b5af5c74daac1f09965cec951 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1274E | 11056 bytes |
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