MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier, indicating malicious intent. It contains a link farm with numerous URLs hosted on potentially compromised or disposable domains, suggesting a phishing or SEO manipulation scheme. No scripts were extracted, but the presence of multiple external URIs and the overall heuristic profile strongly suggest a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://le-lemniscus-incandescent.fr/ckeditor/upload/files/6121864545.pdf In PDF document text
- http://goshaggers.com/clients/2/2c/2ce39afd4341152949bc146f79210d6f/File/56842444238.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607f348e6dad3---12897216035.pdfIn PDF document text
- http://drivingschool-brno.eu/files/16647635519.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/c9h7l5htmiiek40t39e2pb2bg9/fuwezulude.pdfIn PDF document text
- http://aclamerica.com/customers/CMS-IMAGES/file/pewajevew.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/pbc3i35mr2hodg36u3tg8eh845/binupalonujefikakup.pdfIn PDF document text
- https://85097781.com/upload/files/malupogagasomiritupiti.pdfIn PDF document text
- http://nemochem.cn/upload/files/52036869334.pdfIn PDF document text
- http://delve-cr.com/uploads/50788389608.pdfIn PDF document text
- http://writtenmail.com/upload_images/file/famitozovaru.pdfIn PDF document text
- http://domplus.su/userfiles/files/wusifurupamolavebase.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608650fcf3f1d---1051162876.pdfIn PDF document text
- http://woori-tour.kr/FileData/ckfinder/files/20210710_8FDB386D7583A476.pdfIn PDF document text
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/bbumqvbfe9bv5oq15ggrskrp17/36146505311.pdfIn PDF document text
- http://mikomisushi.com/uploads/files/kezamurode.pdfIn PDF document text
- https://cvconstructionsgoa.com/pharma/admin/userfiles/file/57142354275.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d0ca56352---mesenapelotegivevi.pdfIn PDF document text
- https://giustofiori.it/file/lutudegopebukefeboxuwofo.pdfIn PDF document text
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/f116cb4826f8435c84bc79d14f541b69/lupetux.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0bfedb9ad---9308039157.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e7d448475---kutor.pdfIn PDF document text
- https://svltv.in/userfiles/files/buzonuvusaki.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=where+is+the+drain+plug+on+a+honda+lawn+mowerPDF 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_off0000e457.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE457 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fc6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC6E | 11016 bytes |
SHA-256: 41a6378e7fd8f3aa87a76b8d27e3e16151edd1a94495da06f710a74bb22f63b3 |
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font_02_sfnt_off000115b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115B5 | 17480 bytes |
SHA-256: 8b9d65cbeb5f988555576e29d872c571193741091ef64b80400b03683b20fd0c |
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