MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://triosms.com/userfiles/file/25765484371.pdf In PDF document text
- http://dh-life.com/ckfinder/userfiles/files/murekesurilarosilun.pdfIn PDF document text
- http://masan315.net/board/imagefile/file/somovukunexeriza.pdfIn PDF document text
- http://qianshunqs.com/admin/upload/70233884223.pdfIn PDF document text
- https://amzentransportationindustries.com/admin/imagetemp1/file/10652053891.pdfIn PDF document text
- http://teifsepahan.com/files/file/genareguzizodesiw.pdfIn PDF document text
- http://noithatsah.com/webroot/img/files/fijevuv.pdfIn PDF document text
- http://faisaltowel.com/survey/userfiles/files/94463355645.pdfIn PDF document text
- http://jongauger.com/userfiles/file/85432825882.pdfIn PDF document text
- http://www.lircai.com/web/inline/file/16734594614.pdfIn PDF document text
- https://ww150002.linebot.net/upfile/files/20210915233250.pdfIn PDF document text
- http://knshzj.com/CKEdit/upload/files/52144717448.pdfIn PDF document text
- https://damsindia.org/admin/uploads/file/96867160902.pdfIn PDF document text
- https://yam-token.com/business_school/uploads/file/raberejejebajivitijome.pdfIn PDF document text
- http://villaroyalenews.com/userimages/85440285586.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16132c29420d66---16265098539.pdfIn PDF document text
- https://riondene.ch/img/uploads/file/gijeseniragajobetoxaxope.pdfIn PDF document text
- http://zatuchlina.cz/upload/file/22692425077.pdfIn PDF document text
- http://asid.rw/userfiles/file/22110204658.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161384250697be---36564305594.pdfIn PDF document text
- http://laibros.com/ckeditor/userfiles/files/befekeronixu.pdfIn PDF document text
- http://businessnavigator.in/ckeditor/uploads/files/90074018393.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/1beac526507222b98bf1e9fbec9a2817/46770086002.pdfIn PDF document text
- http://circolonauticofavignana.it/userfiles/files/fefasutejogafaje.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=apa+7th+edition+websitePDF 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_off0000d245.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD245 | 10600 bytes |
SHA-256: 7d20bed241b7c18cbde290f5c1cdcad66b124e20166dfaa0abd068aa328e7563 |
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font_01_sfnt_off0000ea5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA5F | 17628 bytes |
SHA-256: 891229046309d33b4f5bd61ec8ac49325cdc3cbf7e4e959835a84a9fcfcca165 |
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font_02_sfnt_off000117be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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