MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as a phishing trojan and ML classifiers indicated a high probability of maliciousness. It contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to distribute malicious content or phish users. The presence of these links and the overall structure strongly indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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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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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://namuvaldymas.lt/userfiles/file/97232448703.pdf In PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160befd8fe7f1b---lidotigidobotizizemin.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd1ab40d063---nagapuvava.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/11180742643.pdfIn PDF document text
- http://web68s.com/upload/files/408685032.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b433f6cf6e9---laleg.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e17a0e208---17877041526.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/lqn2mnr55bt0ru82igm0cp56e0/78549345976.pdfIn PDF document text
- http://ahxxzx.com/userfiles/202105/file/rugezunotu.pdfIn PDF document text
- https://securityguardsupply.com/php/uploads/file/34784862580.pdfIn PDF document text
- http://ricarda-allegra.de/userfiles/file/21803558036.pdfIn PDF document text
- http://cka-shiba.com/ckfinder/userfiles/files/8279516698.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3bdc1ec620---godugukekaxe.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/h519iqp26qtd5076q6sc0ddd74/nojalegunakut.pdfIn PDF document text
- https://beliangka.com/contents//files/81518033151.pdfIn PDF document text
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/8mflmvfrf840ibgoikquj0o097/31731851150.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/0cc7oaeoagrlsdkkvltf4m8kac/mamurazajivufupalub.pdfIn PDF document text
- http://dongsachhanoi.com/webroot/img/files/dasidaguwisasujiv.pdfIn PDF document text
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/8b8bd979963401e456a07451fa7271d8/69571768255.pdfIn PDF document text
- http://ekotop.eu/userfiles/file/mojodu.pdfIn PDF document text
- http://oasis-inwaste.asia/files/file/nilazawajejifalexopur.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a70bffc63ed---perebexomekalujaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=the+key+to+living+the+law+of+attractionPDF 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_off0000ea32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA32 | 10768 bytes |
SHA-256: 6d092eeb99231c534e1a190b3983a93cb67957ef668dda05a3fb30926561b21d |
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font_01_sfnt_off00010307.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10307 | 17540 bytes |
SHA-256: af4e60e5d167ca27673a5e42aa77a6d79293d4939117be1f6b41bdb5e4b0e114 |
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font_02_sfnt_off0001303e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1303E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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