MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution lure. The PDF structure and numerous external links, many hosted on potentially disposable domains, support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9939
Heuristics 6
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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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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://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/m6u2h03du5nqstvgqubmmhkic1/11684489990.pdf In PDF document text
- http://shinaval.ru/userfiles/file/16065549931.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160818db13bb26---xuzegi.pdfIn PDF document text
- http://scpt.it/userfiles/files/terenozu.pdfIn PDF document text
- https://universal4shipping.net/userfiles/file/jalubasem.pdfIn PDF document text
- http://isystemlab.com/admin/ckfinder/userfiles/files/72826528643.pdfIn PDF document text
- https://zifu-tech.com/app/webroot/userfiles/files/60767977731.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/qqj31kv2107aie1dl4o7fla7cf/18728872824.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/3f39e83da7b034c20b511a0bfb0a4be7/74323681726.pdfIn PDF document text
- http://www.alfapilates.pl/upload/file/fitudigidepij.pdfIn PDF document text
- http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vareritigi.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/1167f3bb545c4ffbf3768730ebcbb6ba/wosotipisopixipi.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160ec989db3540---lipuwafemawobomulil.pdfIn PDF document text
- http://songiadahoaian.com/upload/ck/files/97887418502.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609da7252fab4---nuxakemodi.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/11718300861.pdfIn PDF document text
- http://www.smartlandgroup.com//ckfinder/userfiles/files/paxotonu.pdfIn PDF document text
- http://olneyjune65.com/clients/d/dc/dcef5d22f85ec69f5810ba62c2e8cf46/File/jukeji.pdfIn PDF document text
- http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/57894807042.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160768b5cc840c---53054988995.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706f1c5c9e0---gafijimunekes.pdfIn PDF document text
- http://dermatologomiguelgallego.com/miguel/fck/file/47660891645.pdfIn PDF document text
- http://bygreenpure.com/userfiles/file/fusobukugusigatufovuxisaj.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a987e6355---jebamirepupufutu.pdfIn PDF document text
- http://traviet36.com/upload/files/buwuvumowukateva.pdfIn PDF document text
- http://dongtienlamnghiep.com/upload/file/mujevopudaxopekapepivujup.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=apache+mapreduce+tutorial+pdfPDF 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_off0000c250.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC250 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA62 | 16420 bytes |
SHA-256: d0f98a7b7bb52f34a290854d1da1fbe00a62d0cd4bf9826e6ecc9e838a149233 |
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font_02_sfnt_off000104bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104BC | 10692 bytes |
SHA-256: 162d4196ead2edca95d442babe964a4f9b317c90aaa3ffcd580bc12d671f3ec7 |
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