MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many hosted on potentially compromised or disposable domains, suggesting a link farm or redirection mechanism. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate an attempt to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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=alguien+esta+mintiendo+karen+m+pdf PDF link annotation
- http://asude.istanbul/ck_images/files/96830521655.pdfIn PDF document text
- http://novussiteyonetimi.com/uploads/file/61675634352.pdfIn PDF document text
- http://nfrostov.ru/upload/files/jakofafazidoxili.pdfIn PDF document text
- http://naturalmis.com/userfiles/file/sevakuzawefuvudakaleza.pdfIn PDF document text
- http://ridendo.cz/files/file/28842073538.pdfIn PDF document text
- http://ip-golubev.ru/ckfinder/userfiles/files/84797268030.pdfIn PDF document text
- http://austintownfitch1980.com/clients/879833/File/gopugobuzagarajunebow.pdfIn PDF document text
- http://architettoangeli.it/userfiles/files/tarijudofoma.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7aef885777---nosozenoja.pdfIn PDF document text
- http://world-green-hope.com/uploads/files/webotukonatibut.pdfIn PDF document text
- http://blessedfamilycovenant.org/clients/c/cb/cb727bc273eb4203dc66fb73741ae5ae/File/27885371215.pdfIn PDF document text
- http://tunesistudio.eu/userfiles/files/1622904134.pdfIn PDF document text
- https://fullmagicweekend.com/ckfinder/userfiles/files/30543797321.pdfIn PDF document text
- https://ddshower.com/ckfinder/userfiles/files/pojiregegi.pdfIn PDF document text
- http://planbmedia.hufiles/wofuwezurel.pdfIn PDF document text
- http://worldprint.su/userfiles/file/dozutad.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d9c81ac05---fomikusuw.pdfIn PDF document text
- https://guapa2.com/admin/fck/file/59715872204.pdfIn PDF document text
- https://teenvolunteerhouston.com/wp-content/plugins/super-forms/uploads/php/files/e799875aa3ee3261a34d1539a9537688/93525395136.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/8brkhg0e764i4oero4vu8fam0g/91930704284.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16080507583db1---69341861291.pdfIn PDF document text
- http://mulroyenvironmental.ie/userfiles/file/zoxomuwozanakarupasesivu.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_off0000e2a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2A0 | 21172 bytes |
SHA-256: 55a09d4166e635d1996329bb7edb6d7f761e852322e8d71b049d8547fe124d5c |
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font_01_sfnt_off00011973.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11973 | 11012 bytes |
SHA-256: 8fb4f1b9cca62b99cc2bb44f9163564631bb340c20875553492986333456c33c |
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font_02_sfnt_off000132df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132DF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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