MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 8
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/517979faec3c4bff5f81ebd863a73843/76121060891.pdf In PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f3003254a---13694855276.pdfIn PDF document text
- http://teraval.cz/res/file/82915550757.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/pejuj456qcv9q3ukb9l3m5ggh9/81414295782.pdfIn PDF document text
- http://saintthomasmonrovia.org/clients/a/a7/a774d5b45fc75aba9c6fcf07501e1e58/File/90118188937.pdfIn PDF document text
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/23cae29424070078b5e0e9b52b1ed617/rexemowuzizudodazamupogo.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/fufipumoxusunejatodo.pdfIn PDF document text
- http://tbvshungviet.com/upload/files/watuziko.pdfIn PDF document text
- http://iswii.net/ckfinder/userfiles/files/27772058883.pdfIn PDF document text
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607be467463a9---31289915884.pdfIn PDF document text
- http://palakkadtourism.in/ckfinder/userfiles/files/67637173851.pdfIn PDF document text
- https://implant-drill.com/userfiles/file/sudajot.pdfIn PDF document text
- https://seikico.net/img-tym/files/satesixes.pdfIn PDF document text
- http://157.230.241.115/image/upload/File/5873828693.pdfPDF link annotation
- http://szymonadamczyk.pl/uploads/fck/file/goziromesutofowoz.pdfIn PDF document text
- http://herium.net/FileData/ckfinder/files/20210724_9988651CA3F82621.pdfIn PDF document text
- https://southwestlooms.com/admin/userfiles/files/tojozefetotunuwojumuvi.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9aa91e82ac---jowalivelit.pdfIn PDF document text
- https://wotfiles.com/ckfinder/userfiles/files/26055613028.pdfIn PDF document text
- http://4x4autok.hu/userfiles/files/38625435269.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acb23736301---55965112514.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/5a000ee74d98affeb0565b9dc7cf2fda/miwoboxakafeti.pdfIn PDF document text
- http://premium-t.info/files/files/8282062550.pdfIn PDF document text
- http://autobedrijvenindex.nl/images/uploads/kuxumato.pdfIn PDF document text
- http://barudan.hk/UploadFile/file/20210812025502076.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=architecture+portfolio+template+psd+free+downloadPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC2F | 11052 bytes |
SHA-256: f447211de09b86c9cfd40c3cbe24ec0b3d9f464ce462aa4d573deaa1747d97dc |
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font_01_sfnt_off000105cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011ddf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DDF | 16980 bytes |
SHA-256: 399f468d2e20f2974e6f1ec6385bf933ecb6f5ef0602fa5cd02a10607e75ff3c |
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