MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF document contains a large number of links, many of which point to compromised WordPress sites. The ClamAV detection 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0' strongly suggests a phishing or trojanized document. The presence of a link farm on disposable hosting further indicates malicious intent, likely to lure users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier suspicious score 0.2830
Heuristics 5
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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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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://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/pmsevi9n8abr3gqqts7vm55u3a/12407768147.pdf In PDF document text
- http://rfychina.com/upfiles/files/16258001074716.pdfIn PDF document text
- http://steelbo.com/uploads/admins/u0/files/20210805081346.pdfIn PDF document text
- http://purofirstli.net/userfiles/file/73330391401.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c888e393466---wejanejuwad.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/ncvaruost82mqgk4qs875majse/nijimemagepi.pdfIn PDF document text
- https://centrumschoolka.pl/photos/file/16144365761.pdfIn PDF document text
- http://www.halpellet.hu/userfiles/files/bilonufajefusipudejinala.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/8d64ef86f3c9c85fcd4c2e6c54fe39f5/bugeporufafodaxugaz.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16085d49c1031c---dakojajuvelepisifinepogo.pdfIn PDF document text
- http://davisfolk.net/clients/1/1f/1f1070e31f35868a9a13f38ee7dc887f/File/ginevemorajopigug.pdfIn PDF document text
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/7gvd6kai5bblelg6e7ijnpmto3/vetamimiw.pdfIn PDF document text
- http://www.lovebliss.tw/UserFiles/files/wulunomezideresoperowi.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/dbce5049ea540d55e4b1da41f40284a0/pawej.pdfIn PDF document text
- http://piri-piri.pl/ckfinder/userfiles/files/vuvogovunodulunoxil.pdfIn PDF document text
- https://abctranslink.com/ckfinder/userfiles/files/33970507209.pdfIn PDF document text
- http://totoumi.jp/upload/file/51376080174.pdfIn PDF document text
- http://rauvuonsach.net/images/uploads/files/zuduwusezafufisezawu.pdfIn PDF document text
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/6cdfbdbe51cfdba2ecb444045287ce3c/53756651068.pdfIn PDF document text
- http://gruaszarate.com/ckfinder/userfiles/files/16841418088.pdfIn PDF document text
- http://lawyermo.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tipadonupuzet.pdfIn PDF document text
- https://www.corpeverest.com/ckfinder/userfiles/files/71516036892.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8afe445ca---bajebofuga.pdfIn PDF document text
- http://hitecds.com/userfiles/file/nukibez.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/1m55ce0f5u2la4appcc3dvg1g7/fipupax.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eec46bf709---59690771947.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160b0621bb07e8---79570921042.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=how+to+get+rid+of+e+in+an+equationPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e0dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0DC | 10640 bytes |
SHA-256: ec18a8d11412c678eb3e4bd9cd8d58edc0b865e2910bcc60e367664f6e11d926 |
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font_01_sfnt_off0000f8d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8D1 | 19016 bytes |
SHA-256: a1720849952cc9ccce43c9b30de27fbaae60b69f4db76678c96b1cdd3b2d3b8f |
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