MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised websites, suggesting a phishing or credential harvesting campaign. The PDF structure and embedded links are consistent with a link farm used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://catamma.ru/uplcv?utm_term=android+phone+not+downloading+pictures PDF link annotation
- http://solis.altrodesign.eu/ckfinder/userfiles/files/kezupotizafezorumorisiguj.pdfIn PDF document text
- https://electroagro.es/pub/files/xobobulejupezofimewuw.pdfIn PDF document text
- http://fese.in/ienupdimages/images/files/zolobososumo.pdfIn PDF document text
- https://casabresciani.it/uploads/file/mesafebenasut.pdfIn PDF document text
- http://skolky.info/foto/images/file/85890051443.pdfIn PDF document text
- https://mimpishio2.com/contents/files/82042959766.pdfIn PDF document text
- http://zwickerfoto.hu/_user/file/nejakaliv.pdfIn PDF document text
- http://bndweb.nl/upload/files/17197398865.pdfIn PDF document text
- https://stcc-sa.com/motakamel/Ups/files/89305060519.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161308fa5d62a2---73486946231.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137bfb34a3c0---20782800397.pdfIn PDF document text
- http://nomorecpapmachine.com/userfiles/files/6760476270.pdfIn PDF document text
- http://rapabzenec.cz/obrazky/files/gapetul.pdfIn PDF document text
- https://www.winsum.frl/ckfinder/userfiles/files/49259687240.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/gorazadunapujeriwusu.pdfIn PDF document text
- http://finalbrand.cz/upload/file/viranero.pdfIn PDF document text
- https://ofly.om-digitalsolutions.cn/upload/files/61920248739.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613a35845c91e---dekujunesegexesadanexi.pdfIn PDF document text
- http://poltinka.ru/userfiles/file/45630066155.pdfIn PDF document text
- http://studiobaliva.eu/userfiles/files/nirafo.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb01570654---furoguzatadi.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161469434cd1d8---34329096468.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_off0000b061.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB061 | 14348 bytes |
SHA-256: e3df74d34544d512c166e9a9b9dfdcc19856b34dbefdbb17a6e80a04558d2ad0 |
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font_01_sfnt_off0000d479.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD479 | 10960 bytes |
SHA-256: 3463eda4a5aec130b8547a4800c5dab4e4f467e3ec1086ad3b0cc5e15510590f |
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font_02_sfnt_off0000edb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDB6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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