MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is a PDF containing a large number of links, many of which point to compromised WordPress sites. This structure is indicative of a link farm designed to funnel users to malicious destinations. ClamAV also detected this file as a phishing trojan, reinforcing the malicious intent. The primary goal appears to be directing users to external sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3253
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://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16082ef3a466ba---24661531063.pdf In PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/6c4006c1dc43c13bda926094213d8175/7977818886.pdfIn PDF document text
- http://soupworld.de/upload/file/27623485550.pdfIn PDF document text
- http://buydecor.ru/uploads/files/simuwekikotugimuwob.pdfIn PDF document text
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/gkgd3v48eaajmrpha3ds0fg6na/4240505838.pdfIn PDF document text
- http://luvnchrlysenglishtoys.com/clients/861429/File/guzub.pdfIn PDF document text
- https://mimpishio1.com/contents/files/13546325348.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160f03d38c0bdc---sewowekiwa.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/40327868079.pdfIn PDF document text
- https://tdfstore.it/file/8069120253.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1612506d937081---fexoligezafofugax.pdfIn PDF document text
- http://www.eurosecurimed.com/ckfinder/userfiles/files/bobikorugikakavuruma.pdfIn PDF document text
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/95268025961.pdfIn PDF document text
- http://takeacode.net/user/d41d8cd98f00b204e9800998ecf8427e/file/sozatukigofafojirak.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/cdc198e3b57f15fc70add7922d4f2d61/zamubobog.pdfIn PDF document text
- http://career-id.org/ckfinder/userfiles/files/gelasijozefasumotowilalo.pdfIn PDF document text
- http://studiocastigli.eu/userfiles/files/jeramani.pdfIn PDF document text
- http://dfwsedan.com/nbloom/fckuploads/file/37365566303.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfd5736545---zudivuwul.pdfIn PDF document text
- http://hotelgiottotorino.com/userfiles/files/wulinufilaboxenawo.pdfIn PDF document text
- https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/52aca573bad8ea6781e1bd983d4240c6/wojeli.pdfIn PDF document text
- http://namadagaskare.ru/ckfinder/userfiles/files/26392721848.pdfIn PDF document text
- https://aprilboya.com/userfiles/file/nurifaputojejufu.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/655utfqhstmfvnjvdgi08lohgb/90062887300.pdfIn PDF document text
- http://smcertificationservices.com/userfiles/files/vifofaxumuzojitofelof.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=gst+reverse+charge+list+in+pdfPDF 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_off0000ed2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED2A | 10884 bytes |
SHA-256: 1c577b4bf6ee377d4ef8adb08bddc6eb2ac0af1e8aab0b10cd888e2a1aef4001 |
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font_01_sfnt_off0001061c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1061C | 18040 bytes |
SHA-256: efec7b0b010a8c0fd31f14d0ed5b96b7c8d7b9c48a9f4d4a2b3d212663565ff2 |
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