MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, with heuristics indicating embedded JavaScript and a high density of external URIs pointing to disposable domains. The PDF appears to function as a link farm, directing users to numerous other PDF files hosted on potentially disposable domains, suggesting a phishing or SEO poisoning campaign. No specific script content was directly analyzed, but the presence of embedded JavaScript and numerous external links indicates a malicious intent to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.5191
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://pasationtravellers.com/root/FCKeditor/file/vuguboditogaxezudino.pdf
- http://faceconnects.com/ci/userfiles/files/20345969103.pdf
- http://edituj.cz/res/file/71599149422.pdf
- https://tranhtreo.com/images/ckeditor/files/90505064618.pdf
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/13246638551.pdf
- http://bckbytow.naszbip.pl/img/upload/files/nagumuxera.pdf
- https://digireg.cn/upload/51604356015.pdf
- https://girisimhaber.com/uploads/file/kerisavixesonabebizejed.pdf
- https://sportuna.be/ckfinder/userfiles/files/duxaxiradumatanawizim.pdf
- http://okna-kurska.ru/page_edit/_samples/userfiles/files/gidusetujonevoxusopuxome.pdf
- http://wojno-stal.pl/pliki/file/kusoxabid.pdf
- https://floresdeserrezuela.com/aym_image/files/dawomita.pdf
- http://doggystylzgrooming.com/admin/photos/file/peleji.pdf
- http://gzhangqin.com/uploadfile/files/79774654168.pdf
- https://bravo-hk.com/userfiles/file/dizaw.pdf
- http://peach2560.xyz/js/ckfinder/userfiles/files/66993237925.pdf
- http://form4concrete.ru/pics/cont/file/nediwigitilibuluketu.pdf
- http://marktoby.com/akram/know_news/admin/userfiles/file/35931166769.pdf
- http://roycraft.ca/userfiles/file/76995084744.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/d106f06473b2bc344036b724acc6ac88/27619943420.pdf
- http://orderbestwings.com/uploads/files/98464763240.pdf
- http://www.allatpatikapecs.hu/images/file/76234726653.pdf
- http://vucert.vn/uploads/files/nojofi.pdf
- http://mygotour.com/FileData/ckfinder/files/20210909_5B9E8BAFFC3E67B6.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=mejores+juegos+online+android+gratis
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010e7c.bin929eca2df6cd66b3b878565216cb092ead1cd74c0fa653dc645f5f25fd6b6377 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E7C | 20104 bytes |
font_01_sfnt_off0001416a.bind7879b28d53f4440c7ad71aa307a7992e633972970224f990b6b7086b964b400 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1416A | 10648 bytes |
font_02_sfnt_off000159b1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x159B1 | 16792 bytes |
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