MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file detected by ClamAV as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm used to distribute malicious content or redirect users to phishing pages. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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 http://adamlegal.com/userfiles/file/segidixibasakorulabi.pdf In PDF document text
- http://vienhung.com/webroot/img/files/95542732413.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/0a5ff38c36ef8722ebb3a1eca194ae67/motajesakeselofi.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9cc320f3a---73989188975.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/60f9467aa90228c10f75f382a66af9e9/23296784268.pdfIn PDF document text
- https://groupunsur1.com/contents//files/forokelef.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16086a0b97f9f6---sagezuwusogewujofikisi.pdfIn PDF document text
- http://merlegdoktor.hu/tmp/sasukuxenafujimajasofel.pdfIn PDF document text
- https://nhathuydesign.com/wp-content/plugins/super-forms/uploads/php/files/biuebos7e8johfle6497jp8mk7/14180786871.pdfIn PDF document text
- http://ash-graphy.com/userfiles/file/fiziganajiziwo.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075625fe4d19---89555396694.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccaef4f804---86009986326.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608d2dcb210cb---zawinuzosegapaboraviw.pdfIn PDF document text
- https://actorconseil.com/files/file/67974402872.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c06caca82ba---42131533529.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/1a808ae67e225c0e23510ada9065b033/bosere.pdfIn PDF document text
- http://maynenkhiinverter.com/media/ftp/file/76482146173.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a00f37e5c81---satabafusa.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9e89ec2850---11010798700.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160815ebad0e9e---83255795261.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/hscirrmupr2mlaja9408vr05e3/xosumebosanasolaja.pdfIn PDF document text
- http://basaritarim.net/admin/editor_resim/file/vagiwazazuna.pdfIn PDF document text
- http://ipceurope.eu/assets/file/jonopugop.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2264d7e82---mememetofejopajikimed.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609df53a005bb---93951097085.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/baweso.pdfIn PDF document text
- https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e33f6b3fc8---nizivivevopanog.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=road+construction+project+report+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_off00010576.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10576 | 10840 bytes |
SHA-256: c114f4b67c89183952198e0e8c0d79b54f650f02f0a270e533f5f2bcbda62b1b |
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font_01_sfnt_off00011e9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E9D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000136af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136AF | 18268 bytes |
SHA-256: 7df002d877c65a222d14709f6a9dbabd39972c9c99b629bd4e006f488aeb39d3 |
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