MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to lead users to malicious sites. ClamAV and ML classifiers strongly indicate a phishing or trojan payload. The presence of multiple external URIs and link farm heuristics supports the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://westleyden72reunion.com/clients/4/46/469dc9162705cbff2d1fbe132f144f37/File/90099234987.pdf In PDF document text
- http://geometracosentino.com/userfiles/files/zowuruzal.pdfIn PDF document text
- http://nextgenship.net/upload/file/20210713162619575364.pdfIn PDF document text
- http://aihyang.com/userfiles/file/49400792746.pdfIn PDF document text
- http://logo4you.dk/userfiles/file/taweka.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9afbe2dd7---2325958549.pdfIn PDF document text
- http://xinyuemu.net/assets/202108/files/20210826011003405091.pdfIn PDF document text
- https://remoteyourstaff.com/calisma2/files/uploads/92479459784.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/b1ef9pk924ob9sm1omre9kmp9b/pewofufobogudufalupix.pdfIn PDF document text
- https://8foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/kirado.pdfIn PDF document text
- http://savaksangida.com/resimler/files/98720488289.pdfIn PDF document text
- http://pevak.info/UserFiles/File/71403713109.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160941787e8a40---dojavubufagoweku.pdfIn PDF document text
- https://madspot.dk/ckfinder/userfiles/files/sekolugodisirubezos.pdfIn PDF document text
- http://dobre-jaja.com/Upload/file/32037438221.pdfIn PDF document text
- http://omeofest.eu/userfiles/files/xafalibemi.pdfIn PDF document text
- http://gibeaufamily.com/clients/870383/File/69994379594.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160986778a905d---19894679372.pdfIn PDF document text
- http://safetypath.net/cms_images/52134768144.pdfIn PDF document text
- http://stphilomenaonline.org/userfiles/file/febojaniseral.pdfIn PDF document text
- http://classtool.info/upload/files/99095577289.pdfIn PDF document text
- https://aartipalette.com/userfiles/file/93101828557.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608cfe8a3bd82---98865650718.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=gullah+language+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_off0000c4ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4BA | 10336 bytes |
SHA-256: 3c61bc11a23acfc0b3143ad16b4bef5fe30f163d284b53b402bd8e9405cd8053 |
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font_01_sfnt_off0000dbbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBBB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f3cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3CD | 17668 bytes |
SHA-256: f75ba62400f7ecf3d6f8e2b40316ac54dbf75dae819942e20c0df7c49cd77fc7 |
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