MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised or disposable hosting sites, suggesting an attempt to redirect users to malicious content. The presence of external URIs and link farm heuristics indicates a likely phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://giaphutelecom.com/tctt/sites/aaa/file/66136545217.pdf In PDF document text
- https://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/91825573004.pdfIn PDF document text
- http://tiszaladany.hu/upload/file/52929575838.pdfIn PDF document text
- http://ryouhurt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/77677308971.pdfIn PDF document text
- https://lapakunited.com/contents/files/zajepume.pdfIn PDF document text
- http://ser-buk.com/userfiles/file/vusugaratugelopome.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16134f4dc8482a---73528078465.pdfIn PDF document text
- https://sunridgecorp.com/uploads/files/202109041825109444.pdfIn PDF document text
- https://worldtradezone.com/userfiles/file/49112544702.pdfIn PDF document text
- http://chothuexeninhbinh.net/data/dulieu/files/tuwodezumapi.pdfIn PDF document text
- http://akgwealthplanner.com/crm/files/59935303673.pdfIn PDF document text
- http://ilkjv.com/Images/Media/files/zopagebix.pdfIn PDF document text
- http://westpakusa.com/phpsites/vertical_living/uploads/file/99212293016.pdfIn PDF document text
- http://nhasachnguyenvancu.com/Images_upload/files/2022305373.pdfIn PDF document text
- http://irvine.songhakbbq.com/uploads/files/91297178146.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133b0312cbdc---duromu.pdfIn PDF document text
- http://hk-bbc.com/upload/file/44689932081.pdfIn PDF document text
- http://naszemotyle.natura2000.pl/imgturysta/files/nipezomo.pdfIn PDF document text
- https://colakcivi.com/userfiles/file/metebaworitulifunon.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161380afbf413c---moboberut.pdfIn PDF document text
- https://xn--z4qq44i.tw/upload/actfiles/kikixa.pdfIn PDF document text
- http://herium.net/FileData/ckfinder/files/20210909_6F051E73D4E6FA0E.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+see+someone%27s+ig+even+if+it%27s+privatePDF 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_off0000b2eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB02 | 10832 bytes |
SHA-256: 6dbb7f4e7ed9b78ea85e8734b9ffd0c097f181a9287935d5a782de9e2df2ef8f |
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font_02_sfnt_off0000e412.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE412 | 14732 bytes |
SHA-256: 90271f36ad19add4325785e4d667baf0ed8c66b47f08c9f2be76c142e9d93ebf |
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