MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The file's structure and embedded links indicate it's intended as a lure, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://coretry.ru/uplcv?utm_term=convert+pdf+to+dwg+in+autocad+2016 PDF link annotation
- http://challendor.com/fckeditor/upload/file/84970716964.pdfIn PDF document text
- http://vigova.vn/Images_upload/files/99697285998.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/e654619d98f5d50b690fbc0b8b7da8c1/dagixetipobizijolufupo.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/372d397a8a1e06491df186f2e2df4670/burejebet.pdfIn PDF document text
- http://leinerpakgelatine.com/survey/userfiles/files/18887975801.pdfIn PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610db2a5414a2---ruwolapusimutibojalomap.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/c20bafe8fbadfcc53ecf6fe6b749661b/kepumuromovufigugem.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/98c0ceaf8bdb310e221fa23dd1a634cf/xivobigabarovotezefip.pdfIn PDF document text
- http://ozona.pt/wysiwygfiles/file/rituxami.pdfIn PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/3a4bf551116ae5beeac5b1be6e98ff7d/zigogaxekinebepojedawi.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076344199f07---2212082448.pdfIn PDF document text
- http://webatnet.de/ckfinder/userfiles/files/61703507706.pdfIn PDF document text
- http://cameragiaminh.com/upload/files/85005136666.pdfIn PDF document text
- http://arslanemlak.com/E/file/923562966.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/zutifuzinoj.pdfIn PDF document text
- http://reversetheclocknow.com/ckfinder/userfiles/files/wuduviruwixusowo.pdfIn PDF document text
- http://www.sealjet.mn/pictures/files/90529982287.pdfIn PDF document text
- https://www.sistemkabin.com/ckfinder/userfiles/files/18989535315.pdfIn PDF document text
- https://envida-nieuws.nl/bsb_website/upload_fck/file/59607098072.pdfIn PDF document text
- https://trexanh.net/upload/files/34366169087.pdfIn PDF document text
- http://winso.tw/userfiles/file/97756258091.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/709e89b3762efc1a3aaaab5134e73268/rosafasut.pdfIn PDF document text
- http://dynamicyunnan.com/ckfinder/userfiles/files/23715249345.pdfIn PDF document text
- http://surrattsville69.com/clients/8/81/8122276c22396d7fa0996010cc369f50/File/9760065544.pdfIn PDF document text
- http://stellar.ru/ckfinder/userfiles/files/67423078136.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e5130349a---witaxuvedonul.pdfIn PDF document text
- 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_off0000f02e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02E | 17980 bytes |
SHA-256: 72ae34241d26ba10abece7ceb4f07a0023ebd75f653613b45b422255932ef529 |
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font_01_sfnt_off00011f0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F0F | 11328 bytes |
SHA-256: 31f580711b6facbad9eff744d884811f45c5f624074f838d4a6c33f1fb16d3d1 |
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font_02_sfnt_off000139ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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