MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm directing users to multiple compromised WordPress upload directories. These links likely serve as a lure to download and execute further malicious payloads, as indicated by the ClamAV detection of 'Pdf.Phishing.Trojan'. The ML classifier also flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.5986
Heuristics 5
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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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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://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16090a216d118f---92808297509.pdf In PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/a0cbd42bbce56bae159325700be8a383/wizejipiganurogatuxulakan.pdfIn PDF document text
- http://starlightcelebrates.ca/clients/4/43/43e9139217482d7666ce300faf566241/File/davojupuxetixax.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/qt5ghnna6nnuhcbkjfalen66o8/powamozexitodo.pdfIn PDF document text
- http://egyptlance.com/userfiles/file/lamaro.pdfIn PDF document text
- http://www.deewanalarab.com/up_imgs/wuloj.pdfIn PDF document text
- http://cosmeticdermatologymiamibeach.com/uploads/data/files/53595272899.pdfIn PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/88ddd7500ac7064bd2b7474ca2c252d4/20543112648.pdfIn PDF document text
- http://nerezove-kuchyne.cz/UserFiles/File/84403286433.pdfIn PDF document text
- http://goodslib.com/userfiles/files/wofovujajowagidel.pdfIn PDF document text
- http://www.hangmandigital.com/files/file/94165231003.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/2dd8d54b90acf57f61ffe852f9b19616/givuwesaxigotatotinowis.pdfIn PDF document text
- http://mopron.ru/upload/files/54573795886.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/5muhrremgoohqre0rvjmmn3aud/walekoma.pdfIn PDF document text
- https://topupdana.com/contents//files/64350877440.pdfIn PDF document text
- http://ldbell1965.net/clients/85689/File/34377133378.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/53708117823.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/f3924295a91e4a2546822cbf66f39c73/53551223157.pdfIn PDF document text
- http://kool-house.com/upload/editor/file/kuzav.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/e3c968faae4e04cdd473687b6b91b06f/babumipamavoxedixixali.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/2534d51eb5ce078e368740012c4d7275/biferadu.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/alftqbhovl0lfq78arc5tjrqnc/19082064110.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072822e45421---kololunesimiro.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/ff3719d4f9943cfc693bc56d22d185e3/zukasera.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/97cb1014506b6e6dbca6db8f5d9543dd/84885989366.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/3648eb3c623ffd383cd63bfbbb20a6bb/tuxunusowa.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075324ca1f52---85241464906.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=siganus+canaliculatus+pdfPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f06c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF06C | 22052 bytes |
SHA-256: 24fafecf505fe6693d3edad6d8d2e19a389b9b9e7086d0eaea0a29eac5b812cd |
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