MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised or disposable hosting, suggesting a link farm used to redirect users to malicious sites. The PDF structure and embedded links are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://cheapmarkt.com/userfiles/file/98977281528.pdf In PDF document text
- https://medbillings.us/lightspeedweb1/file/miduviwetapezelepiw.pdfIn PDF document text
- https://resttour.com/images/userfiles/files/watepajefonu.pdfIn PDF document text
- http://bassbasement.org/userfiles/file/25291674459.pdfIn PDF document text
- https://webkapper.nl/ckfinder/userfiles/files/bosovavabi.pdfIn PDF document text
- http://marchmont.ru/imgs/file/14608266874.pdfIn PDF document text
- http://fazendasaojudastadeu.net/fotosempresa/files/wonikikavafuleg.pdfIn PDF document text
- https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/90955225976.pdfIn PDF document text
- https://fereshtegan.net/basefile/fereshtegannet/files/9524946621.pdfIn PDF document text
- http://nut-shell.net/upload/files/33789002904.pdfIn PDF document text
- http://goldenteriyaki.com/uploads/files/jemonumasuv.pdfIn PDF document text
- http://balbu.eu/uploads/news/file/66298262336.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/ec461cb1373d4baecfe59d231aadae77/jetogafizewasijuvuvujoba.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/3040336868.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613db4c9705d6---zodiridokasonulizukakadu.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150453ba1447---zokedaxetonopemitumefaz.pdfIn PDF document text
- https://eltdb.com/UserFiles/files/5492068259.pdfIn PDF document text
- https://textosolutionslinguistiques.ca/upload/editor/file/taraxexis.pdfIn PDF document text
- http://xn--82cac8d3ajrc0gd0bo4a7nf3qg.com/userfiles/files/13338900834.pdfIn PDF document text
- http://nhagiatxanh.com/public/default/ckeditor/files/bawigesuriruwotun.pdfIn PDF document text
- http://unitez.net/images/newtech/files/nafuruxofedaj.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/segamofegowedudakadave.pdfIn PDF document text
- http://salespate.com/userfiles/file/golimovigijupulisule.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=transferring+whatsapp+messages+from+android+to+androidPDF 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_off0000b002.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB002 | 10948 bytes |
SHA-256: 7b71d50c9b0db5e802c8397c01e69416d4664f0eb36c60b63dba90484c3fbfc9 |
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font_01_sfnt_off0000c90e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC90E | 15780 bytes |
SHA-256: b3fa976f769a4a760788f617030df34feeb4fc88a68025d6b301b743a41e0304 |
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font_02_sfnt_off0000f16c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF16C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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