MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to various compromised websites, including WordPress installations, which host further PDF files. One of the embedded links uses a raw IP address, indicating a direct attempt to serve malicious content. The presence of these links suggests the document is designed to trick users into downloading additional malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.7437
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://gandolfiarchitetti.com/userfiles/files/7852461310.pdf In PDF document text
- http://jeykrishnaclub.com/images/file/vazimedadokekoxuruviwuri.pdfIn PDF document text
- http://highendschmiede.de/highendfiles/file/30740724505.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/mgrn1vgji55ghb11aecdv609v3/nutuxixuwedotaxugepab.pdfIn PDF document text
- http://shangrilayunnan.com/ckfinder/userfiles/files/vovegevobifibid.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4696be00f---91150490792.pdfIn PDF document text
- http://year-c.com/upload_fck/file/2021-7-20/20210720035008745764.pdfIn PDF document text
- https://dwitunggaljaya.com/sitefiles/file/18096745829.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/bozovewupamo.pdfIn PDF document text
- http://178.62.148.222:300/ckeditor/ckfinder/userfiles/files/tanujiwugipat.pdfPDF link annotation
- https://www.bramfordgc.co.uk/ckfinder/userfiles/files/20990978156.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/g45llbie0ugledkrqrj0korgi8/kidivikariwipibuw.pdfIn PDF document text
- http://globalroomplus.com/bot/ckfinder/uf/files/92122920823.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c011fb42a0e---58572541313.pdfIn PDF document text
- http://tccsrl.org/userfiles/files/14096206109.pdfIn PDF document text
- https://lentes123.com/aym_image/files/81701176257.pdfIn PDF document text
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/mds7vkameoscrdo5dfpqjnvv40/80382838911.pdfIn PDF document text
- http://polskienarty.pl/data/aktualnosci_imgs/file/zafem.pdfIn PDF document text
- http://dolphinegypt.net/userfiles/file/92272404915.pdfIn PDF document text
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/7f0bdsoo70e7e134ibv1ptaeko/pupoxuradufuxadikimaluwag.pdfIn PDF document text
- http://pinetreerealty.ca/clients/55933/File/52296864844.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608998435ec03---wedakozonimezevasosifaja.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=%D8%AA%D8%AD%D9%85%D9%8A%D9%84+%D9%83%D8%AA%D8%A7%D8%A8+%D8%B9%D9%84%D9%85+%D8%A7%D9%84%D9%86%D9%81%D8%B3+%D8%A7%D9%84%D9%85%D8%B9%D8%B1%D9%81%D9%8A+pdfPDF link annotation
- 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 |
|---|---|---|---|
stream_004_off000115aa.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x115AA | 24048 bytes |
SHA-256: 810878ab80c1665f87ae5953b6565bc7d79437cb4b1af73cda9a0d46a603d3c4 |
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font_00_sfnt_off0000c503.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC503 | 18788 bytes |
SHA-256: 096918e71ea1345fe61d3c3dfeb5dd0bc2c8b0facc94452c1d157aa5480cb915 |
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font_01_sfnt_off0000f562.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF562 | 19304 bytes |
SHA-256: 671d945c6473084c3b6558916f94b3165980fb9ea878f09aec751e0100082a5d |
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