MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous links, many hosted on compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/5268a3a38fbcdec6908e9f2a4f8cde4a/98750437106.pdf In PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070de8de2927---93901157950.pdfIn PDF document text
- http://krukewittfarms.com/userfiles/file/kapaxuzenuwab.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/33c47d055904ab263c06bc8da00e1253/99988434273.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609832891470a---9798383258.pdfIn PDF document text
- https://vroa.pl/chplusfiles/file/tufabomepukisififawiwan.pdfIn PDF document text
- http://zap-interactive.com/uploads/files/86063648304.pdfIn PDF document text
- https://ferest.ro/imagini_ws/46771193879.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3e69a1ef9b---jilewaradumono.pdfIn PDF document text
- http://hainescentreasia.com/images/file/22078964442.pdfIn PDF document text
- http://vidol.nl/userfiles/file/12410066243.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160dffdff0fae6---tifixogamofi.pdfIn PDF document text
- http://upperdublin1970.com/clients/3/3b/3b2fb281f4756d03d37a29c41a8c1d95/File/jejobitudote.pdfIn PDF document text
- http://sevinctekstil.com/resimler/files/834064300.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/9au9k7e7av2po7fjctddkrlhdj/gobuze.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/koxikatumabarokowal.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/225b723f96afc47700e262158b4fdce3/xavap.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/1415a7c071781b1b7f813ea3d4fd4875/luzawusazutiduralivabu.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/83edc65bd70a4d09f53aa2c33fa4a570/furonamabidalegib.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1609e00402a26c---sutawemul.pdfIn PDF document text
- http://honyi.tw/ckfinder/userfiles/file/25535753895.pdfIn PDF document text
- https://mattress-leader.com/media/deputawizesukaj.pdfIn PDF document text
- https://bakwanudang.com/contents//files/dazixepajaz.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16118a8f896555---bufage.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=inviolability+of+private+property+meaningPDF 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_off0000d6c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6C2 | 20972 bytes |
SHA-256: ba1ee8c31cdf520b40ae530a37d0e758454dd08816dadc6faddaefea8a0f6c66 |
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font_01_sfnt_off00010b6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B6D | 10804 bytes |
SHA-256: e9b97734b8f576944d973e8822d1bc9663a078a2ae506d20e1eb8cbaecb87c46 |
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font_02_sfnt_off00012424.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12424 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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