MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It contains a link farm pointing to multiple compromised websites, likely intended to distribute further malware or phish for credentials. The presence of numerous links on disposable hosting and the use of 'utm_term' in one URL suggest an attempt to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.7561
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://dangkykinhdoanhkiengiang.com/upload/ck/files/74341099435.pdf In PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613b61f6ac45f---jevumifatuvomoj.pdfIn PDF document text
- http://salocchi.it/userfiles/files/666992615.pdfIn PDF document text
- http://capital96.com/userfiles/file/jopokoxuwo.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/scaqsfa6rvc1pq9cstaamdr9s3/jukezudeluliguraviju.pdfIn PDF document text
- https://www.mmgrowersg.com/ckfinder/userfiles/files/masunewalezedigaralebibe.pdfIn PDF document text
- http://maradonasalud.com.ar/ckeditor/ckfinder/userfiles/files/tesetewilokizuz.pdfIn PDF document text
- http://apartament-krokus.pl/userfiles/file/repudebo.pdfIn PDF document text
- http://rrbrentacars.com/files/others/61108721935.pdfIn PDF document text
- https://natinsel.com/imagenes/file/8614571290.pdfIn PDF document text
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/7789f03fe16c46f6d0fd6a30a31c1a9a/14061127981.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/bd29a3e447f7f575d02add72484d5566/99253999014.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161320e6e2c299---tawufetefi.pdfIn PDF document text
- http://petswithlove.com/cvsprojects/SSK/Source/2.0.0/images/files/xolokajelutarobe.pdfIn PDF document text
- http://cattaneoarchitetti.it/userfiles/files/86937212757.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1d1f082b1---fisezajukaninofoxipapex.pdfIn PDF document text
- https://xn----7sbeo1acdy3adh.xn--p1ai/userfiles/file/24555399662.pdfIn PDF document text
- http://akiisushi.com/uploads/files/gukogofez.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc5f650827---fiminoruwimimogipejelurof.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b92f0e8c3d---supisifivigitapiko.pdfIn PDF document text
- http://csc0451.com/userfiles/file/20210910231726_dbryxx.pdfIn PDF document text
- http://travelcenterpuntos.com/campannas/file/69149309422.pdfIn PDF document text
- http://vervesimuhub.com/userfiles/file/53187592447.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=task+manager+apk+proPDF 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_off0000df02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF02 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f719.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF719 | 10412 bytes |
SHA-256: 99e9c7c88785f548f85ba427d513116cdd76e44724bc6eac002b537763736c26 |
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