MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It functions as a link farm, directing users to numerous external URLs, many of which are hosted on compromised WordPress sites or disposable domains. The 'utm_term' parameter in some URLs suggests a potential SEO manipulation or phishing lure to trick users into clicking. No scripts were extracted, but the PDF structure and URL patterns are indicative of a malicious document designed to lead users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.7561
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 https://crysiq.ru/uplcv?utm_term=command+and+conquer+generals+campaign+cheats PDF link annotation
- https://debo-fit.be/userfiles/file///36063009334.pdfIn PDF document text
- http://nanoscopy.ru/uploads/files/75246268642.pdfIn PDF document text
- https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/99307505443.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/93ts4cafa4so2vlk7ugv6kf0ah/buzap.pdfIn PDF document text
- https://nmg.lv/img/uploads/files/83361481296.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/73637670515.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/16090e71fcefdb---68241042834.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098644f59855---kopafuli.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/cp5mekft87vo863skjke4vnmf0/nawigekigusozavos.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/7bc2b385c01c89837cf925e30482a0ab/kedomowomutafukuvegav.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/683c5f7d992f90eea482696cf98797fc/xurokaketevudokuwatiziz.pdfIn PDF document text
- http://esoftland.com/userfiles/file/lenuwepuli.pdfIn PDF document text
- http://delve-cr.com/uploads/11676206789.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b77bdcee890---10900992726.pdfIn PDF document text
- http://unipsyclinic.com/userfiles/file/20210603014642.pdfIn PDF document text
- http://industrialdevices.in/uploads/sunofigetexijit.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5569c6ea9---xokogonibusibujube.pdfIn PDF document text
- https://airflow-skateboards.com/userfiles/files/puzuzototapobulig.pdfIn PDF document text
- http://sanmargholidays.com/ckfinder/userfiles/files/zobimevodurufagapo.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d497f31bce---41344180389.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/f439d78af567321d6d1f1d3d119af392/79014300001.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b216bf1908---bovijakepibukutisizaradub.pdfIn PDF document text
- http://ateliergermain.net/sites/default/files/file/webokusamowafexipenumu.pdfIn PDF document text
- 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_off0000ea3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA3A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010251.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10251 | 11240 bytes |
SHA-256: f8740a4f03298a20fcdd522f2d20b03b1bc89ed1811017ecc420dc546519f12d |
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