MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, suggesting a link farm used for phishing or malware distribution. The presence of embedded URLs and the overall structure point towards a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/daa6491f414d0dd900e2bb331152ffd1/zipobuwikeme.pdf In PDF document text
- http://enjoybowlramenandpoke.com/uploads/files/12153011971.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a25709f1f25---57152597237.pdfIn PDF document text
- http://portalinmobiliario24.com/uploades/fckeditorfile/40157380232.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/fagkck53vud922s081b4i54a65/39605777585.pdfIn PDF document text
- https://tipresentoio.it/images/file/bomonigabetenozoxuvute.pdfIn PDF document text
- http://angeladaniel.eu/uploads/files/18093542611.pdfIn PDF document text
- http://telekommarketing.com/firme_data/files/88001625803.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/70c37678961f4h4pe8f0juuao6/januvab.pdfIn PDF document text
- https://linhngapt.vn/upload/files/lafazakodidew.pdfIn PDF document text
- http://krevue.cz/UserFiles/File/jesejupuxagetod.pdfIn PDF document text
- https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d08818c2a3---87526809851.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/9c98f94bf650ccb9d7093267ae9e0653/wizetetovijowuv.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608ccfb18b28c---lakajejawefixip.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606de46ce390b---kamapefawubaja.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081619e6821e---museses.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/91234106997.pdfIn PDF document text
- https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/56288840001.pdfIn PDF document text
- http://aromamahabaleshwar.com/ckfinder/userfiles/files/94249595861.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed08078dd06---mawutiriruwik.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160c747ab2b8c2---doxosatisibafu.pdfIn PDF document text
- http://flexicourse.cz/res/file/48967569662.pdfIn PDF document text
- http://tysons-cafe.com/uploads/files/duvusiso.pdfIn PDF document text
- http://bevelec.com/bevelec/dossierMois/file/1482653416.pdfIn PDF document text
- http://xedaptap.net/userfiles/file/farofaruk.pdfIn PDF document text
- http://ski-experience-japan.com/images/blog//file/kekebuzisuko.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=pre+algebra+placement+test+6th+grade+pdfPDF 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_off0000d68b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD68B | 11164 bytes |
SHA-256: c89b9f7f36c3f9231714e5b6a934e6ab2b9056020a90e3be26c076119ef11ed1 |
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font_01_sfnt_off0000f009.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF009 | 18328 bytes |
SHA-256: 86d6d729dfd7e1473c68b42fb07e7622a6a8adb980780023314913ed642e423f |
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font_02_sfnt_off00011fd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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