MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links, many of which are hosted on disposable domains or compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of 'utm_term=download' in one of the URLs indicates a lure to trick users into downloading files.
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://wastran.ru/uplcv?utm_term=download+gran+turismo+4+for+android PDF link annotation
- http://jinyezi.cn/upload/megagulodikagarozebin.pdfIn PDF document text
- http://se-ty.com/uploads/userfiles/file/kobobakirizom.pdfIn PDF document text
- http://sushinamu.com/uploads/files/29211111121.pdfIn PDF document text
- http://elai.kz/upload/2021/09files/21090201535591321572yi3.pdfIn PDF document text
- http://dcbestwings.com/uploads/files/22268841346.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/dd3d40592e7db6a1f270c84026aebdf6/9755741073.pdfIn PDF document text
- https://castel.ro/userfiles/file/87301421434.pdfIn PDF document text
- http://bonezi.morefriendship.com/upload/files/finozizosigaf.pdfIn PDF document text
- http://ahjygjg.com/upload_fck/file/2021-9-15/20210915220956572742.pdfIn PDF document text
- http://hun777.hu/_user/file/wegemexojusovaxewipilos.pdfIn PDF document text
- https://momentous-inst.com/uploads/image/files/83091981005.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2d1eb4a0b---bukawebukisag.pdfIn PDF document text
- http://kopdesign.nl/userfiles/file/vodajexinuda.pdfIn PDF document text
- https://charming-dc.com/uploads/files/202109041356124870.pdfIn PDF document text
- http://design-klasse.de/ckfinder/userfiles/files/93746441833.pdfIn PDF document text
- https://dnm.tw/uploads/files/202109122007252463.pdfIn PDF document text
- http://rld-carbon.ru/file/27196651158.pdfIn PDF document text
- https://www.ccs-corporation.com/ckfinder/userfiles/files/49357304780.pdfIn PDF document text
- http://hangnhatbanonline.com/upload/files/roravivusokixixim.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/16147ff1e9a378---82063525659.pdfIn PDF document text
- http://sfalojistik.com/userfiles/file/begij.pdfIn PDF document text
- http://xn----dtbsgbucafmmaf.xn--p1ai/servimages/editor/files/suxurivom.pdfIn PDF document text
- http://speckrepej.com/upload/file/17807726443.pdfIn PDF document text
- https://tranthachcaodanang.com/uploads/image/files/kaditogogagomakokev.pdfIn PDF document text
- http://bushurov.ru/images/files/90900175266.pdfIn PDF document text
- https://jmcoverseaspvtltd.com/uploads/files/24678247640.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_off0000d2c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2C3 | 17036 bytes |
SHA-256: 41bb906b30d792768f57522608d8bcebeff95f4c48302b5fe94adb870599491b |
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font_01_sfnt_off0000fee8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE8 | 10832 bytes |
SHA-256: 558f1d31ddfdbc999daa3fc9b1f3750e344bbbeb94b2b6c4b024648539ebaeb3 |
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font_02_sfnt_off000117c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117C3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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