MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and ML classifiers. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm or phishing lure. The 'utm_term' parameter in one URL indicates an attempt to disguise the link's purpose, possibly as part of a SEO-based attack to drive traffic to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.7444
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://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c559d0d9f26---tunaxubajimaferagor.pdf In PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/jmldcq9bsf9t1cocfqdin2meds/98575220440.pdfIn PDF document text
- http://location-venise.com/italie_documents/files/8599055184.pdfIn PDF document text
- http://pfmconsulting.org/survey/userfiles/files/37777829480.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/heq1tsk0hvl89j6fignhitqg9h/5609412604.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093e8892552a---kovajopu.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc33a782d2---tawekorugojotevanaxa.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/d8qc1v3jteap3ug36ice6mtd46/girivuju.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/5amjitb33p7qvp4lavkem4p6i7/keludotesaxel.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9e418458e---vegamude.pdfIn PDF document text
- http://hersheyhigh1981.com/clients/37302/File/ganisanages.pdfIn PDF document text
- https://next-engineering.com/userfiles/files/gemugu.pdfIn PDF document text
- http://cintabogor.com/Uploads/userfiles/files/59003002794.pdfIn PDF document text
- http://samafb.org/uploadfilefiles/65294778883.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160702c2e8e7c4---xozolepo.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/6f10052cacda5961c70681cf7792e74f/30970087338.pdfIn PDF document text
- https://ckmandarin.com/uploads/35970175870.pdfIn PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/061f74a13260e51c9050244253247dd4/pelokof.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160a294a96dc91---lidezudorasavutowagi.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/ud9vonvlferrm4sucr3o9o1gdm/5763980296.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1612a0d2e3cdcf---sexufufegivazek.pdfIn PDF document text
- http://hengtaixin.com/HangShun/ckfinder/userfiles/files/6928225306.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=xr150+installation+manualPDF 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_off0000b73a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB73A | 10552 bytes |
SHA-256: 6c1655b03c3d37d67652c0ef637eeb57be3331bb7e0ec91503e8229ed90e3b76 |
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font_01_sfnt_off0000cf48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF48 | 16856 bytes |
SHA-256: 705dd2dce2391f2021471bdebb1c6cfaa0bfb20eeb7e2206babd4cb2a3c8f80c |
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