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 ML classifiers, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that point to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these URLs and the nature of the heuristics strongly suggest this PDF is used as a lure, likely for phishing or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.7219
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://crewmak.ru/uplcv?utm_term=why+is+my+keyboard+lagging+on+my+android PDF link annotation
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614007bb9acc5---fajesojubaratukobiwaxesu.pdfIn PDF document text
- http://texmet.pl/userimages/file/2052473212.pdfIn PDF document text
- http://ls12368.com/userfiles/file/mepafopibagan.pdfIn PDF document text
- http://maskaevlawyer.ru/userfiles/file/88698590486.pdfIn PDF document text
- https://grancom.by/upload/docs/votaj.pdfIn PDF document text
- http://www.anapharmata.hu/ckfinder/core/connector/php/files/60445544321.pdfIn PDF document text
- https://careerroots.net/ckfinder/userfiles/files/93898918935.pdfIn PDF document text
- http://sp3siemianowice.pl/userFiles/files/21829410276.pdfIn PDF document text
- https://alaskaproauto.net/nbloom/fckuploads/file/93281902874.pdfIn PDF document text
- https://artcorner-fiberglass.com/userfiles/files/75835101625.pdfIn PDF document text
- http://ghalemdi.com/userfiles/file/nexikorezel.pdfIn PDF document text
- https://komunalno.vrgorac.hr/files/80834176092.pdfIn PDF document text
- http://tgroupsrl.com/userfiles/files/44428576919.pdfIn PDF document text
- http://bisenzia.it/userfiles/files/69346606695.pdfIn PDF document text
- http://fueandhair.com/userfiles/files/35489517126.pdfIn PDF document text
- http://nousgarage.com/userfiles/file/derimilowoxedamokofe.pdfIn PDF document text
- http://damnoen.com/ckfinder/pho/files/31237206851.pdfIn PDF document text
- https://studiopros.com/userfiles/file/In PDF document text
- http://istanbulballoons.com/ckfinder/userfiles/files/xefimutemimorazoxi.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161412ac5db787---talepi.pdfIn PDF document text
- http://pentas.eu/userfiles/file/dataniserobinagomijisokuz.pdfIn PDF document text
- http://bukhatirhomes.com/userfiles/file/zawudib.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/16147a0af4c86b---nenosaredudupotakujaduk.pdfIn PDF document text
- https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/67008368821.pdfIn PDF document text
- http://ciaomamma.hu/editor_up/67349982293.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_off0000f87e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF87E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011095.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11095 | 10936 bytes |
SHA-256: 2e8a2207256009ae0b86fb0f2b0a6405747cb464152d2a252c0416d65584f6d7 |
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