MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised WordPress sites, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or trojan distribution intent. Although no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with malicious document delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://pixomot.ru/uplcv?utm_term=ejercicios+de+word+resueltos+pdf PDF link annotation
- http://ecohouse-lab.de/userfiles/file/mijomuvijoxoguwekorelu.pdfIn PDF document text
- https://gkia.org/kingkong/userfiles/files/63201715771.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/e590477d729d9904fae7cdb970affe0e/80166613681.pdfIn PDF document text
- http://gaia-onlus.org/userfiles/file/jifube.pdfIn PDF document text
- https://cailux.lu/userfiles/files/konabilujo.pdfIn PDF document text
- https://artgreen.vn/attachment/files/wugovi.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1613b06be8043f---30032953517.pdfIn PDF document text
- http://ltmetal.com/userfiles/files/21603763554.pdfIn PDF document text
- https://sanruouvang.net/images/uploaded/file/kupelofazudub.pdfIn PDF document text
- http://promocode.lu/userfiles/files/2008197408.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161335d10f1e08---jupulodunuxazozogukukof.pdfIn PDF document text
- http://barefoot.pl/userfiles/file/bokorif.pdfIn PDF document text
- https://svarovanijelinek.cz/ckfinder/userfiles/files/jovotalolezanemaf.pdfIn PDF document text
- http://naphotelbangkok.com/userfiles/files/sazosabunarom.pdfIn PDF document text
- https://jss-moms.si/upload/File/totodugovijaxezodenis.pdfIn PDF document text
- https://niboparis.com/upload/fckeditor/files/47746897289.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161364b9b54764---varixugasovove.pdfIn PDF document text
- http://gajagotour.com/UserFiles/file/midoge.pdfIn PDF document text
- http://aircond.md/upload_fck/file/19009530865.pdfIn PDF document text
- https://ofertaromania.ro/ckfinder/userfiles/files/zizen.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///12322114320.pdfIn PDF document text
- http://car-zone.sk/data/data/file/20472425708.pdfIn PDF document text
- http://mstreatmentadvances.com/userfiles/files/2958339841.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_off0000bcd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCD3 | 16444 bytes |
SHA-256: 96845ab23b9a2579f5f6e54a52692ef159197cd0fa19b56299ad7d8bb4b3f206 |
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font_01_sfnt_off0000e5ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fdc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDC3 | 10644 bytes |
SHA-256: b3df9648ae98693ac307236efade031ef6a4699fb43589b72cd153a2d7cb2749 |
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