MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users. The heuristic 'ML_NYX_PDF_MALICIOUS' and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution scheme, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://philabc.ru/uplcv?utm_term=phone+app+call+recorder PDF link annotation
- http://bjerkelunden.org/content/files/userfiles/file///19590358104.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/kvspnqdvssijv9rsmgb8u6g2f5/37050180529.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/161471e473b431---25721447264.pdfIn PDF document text
- https://sassanoproperties.com/FCKeditor/file/10932553598.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/161483c0adc267---pusewes.pdfIn PDF document text
- http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mozezijevijekuteze.pdfIn PDF document text
- http://manuale.aziendasulweb.it/userfiles/files/noxirizimel.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614256585dbcf---32678885297.pdfIn PDF document text
- http://c2r-auto.com/uploadfiles/file/2021090922293473499.pdfIn PDF document text
- http://jyotiacademicpress.org/uploads/file/kodagid.pdfIn PDF document text
- http://qdjshg.com/files/file/zunikipasatubojelazubolu.pdfIn PDF document text
- https://semot.com/Store/userfiles/file/gewokigapogozesilatove.pdfIn PDF document text
- http://solis.altrodesign.eu/ckfinder/userfiles/files/pirure.pdfIn PDF document text
- http://www.dgtrans.co.th/login/ckfinder/userfiles/files/61847838564.pdfIn PDF document text
- http://germainelecocq.it/userfiles/files/11509653044.pdfIn PDF document text
- https://jpjplumbingandheating.com/FCKeditor/file/71682466877.pdfIn PDF document text
- http://ayrh.internet-match.com/upload/files/tanodusolotiku.pdfIn PDF document text
- https://swaarm.de/app/webroot/upload/files/34280300710.pdfIn PDF document text
- http://compsult.net/userfiles/file/dexokalutexolutulepinive.pdfIn PDF document text
- http://turnwealthy.com/ckfinder/userfiles/files/bijeduwemegojitodezizevo.pdfIn PDF document text
- http://briquettemachinery.com/d/files/29507171060.pdfIn PDF document text
- https://mediaget.com/userfiles/files/solepurataguxitapozawoke.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_off0000b1af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1AF | 16244 bytes |
SHA-256: c49166add433953653cb267740d515f1c75948eccd51b9d17f325443908c3aae |
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font_01_sfnt_off0000db4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB4C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f363.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF363 | 10252 bytes |
SHA-256: 83f8121cc9b316509712ffc4aef0adf7c504ff9181c3f5a147b9fd30125d02d5 |
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