MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous URLs pointing to compromised WordPress sites and other domains, suggesting it functions as a link farm to distribute further malicious content or phish users. The presence of external URI heuristics and link farm indicators strongly supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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 https://pistant.ru/uplcv?utm_term=ejercicios+resueltos+de+angulos+entre+paralelas+cortadas+por+una+transversal PDF link annotation
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/q6aco0ar9itp8cjquipiteeav4/sumupiminulasulabem.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d032e75e8b8---54027460916.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607925ff1d987---18329660071.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1ddd58e00---piserogebuwutonunotenoto.pdfIn PDF document text
- http://lakehighlandsrw.org/clients/863582/File/janekanovulomekebenotebe.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/6c576c9696b26db1369b8e0f666cccd7/nutepepivedus.pdfIn PDF document text
- http://upsshop.ru/ckfinder/userfiles/files/namejakuwonebutunugadawul.pdfIn PDF document text
- https://airshow-bg.com/file/17902479587.pdfIn PDF document text
- http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/c1b60d86287ff7e0d812bfa5c96b6952/8731753049.pdfIn PDF document text
- https://kasihpaham.com/contents//files/dakuliweditoliguzinupodi.pdfIn PDF document text
- http://firegallery.ru/img/upload/98752514043.pdfIn PDF document text
- http://nowyhotelik.pl/userfiles/file/477496391.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/2673230eb1f8d966019874e935ea9c06/48159512374.pdfIn PDF document text
- http://www.colormotion.cz/UserFiles/file/14771042782.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/jutinobevuginakanodala.pdfIn PDF document text
- http://autoklej.pl/app/webroot/media/files/84903664608.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b455bdc97a2---valonoxig.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f35e38a579---vawof.pdfIn PDF document text
- http://professional-tuner.at/uploaded/file/47076853250.pdfIn PDF document text
- http://christopherspubandgrille.com/userfiles/files/20375578939.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/ac62c23697f4cc9447042d6550fb92b1/xiwasekamadixit.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/ls4t4h7at4rsl4fv2mk189sqpe/sawixarunewunupemofuni.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609474923f4a4---pexufuzedekap.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_off00012862.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12862 | 10968 bytes |
SHA-256: 31dd86c8950fe6599b232f91be8493171497c14d9bb5493ceb2facff30dd2f8c |
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font_01_sfnt_off000141b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141B7 | 20772 bytes |
SHA-256: bc54883b3846c3bd01774c290ad2d5a49745b1e2321109ce48bd1b0549a8cc7a |
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font_02_sfnt_off0001778d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1778D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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