MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, pointing to multiple distinct hosts, some of which appear to be compromised WordPress upload directories. The document body is unreadable, but the presence of numerous external links suggests a phishing or malicious redirection attempt.
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 http://solar-makernavi.com/ckfinder/userfiles/files/megekojeba.pdf In PDF document text
- https://bem-sa.com/img/file/53855635156.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614588a8677e7---39063294832.pdfIn PDF document text
- http://thoitranglani.com/upload/files/97824117418.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131bac3c56ba---39787573189.pdfIn PDF document text
- http://www.valathors.com/ckfinder/userfiles/files/godigepanukukomunenojonu.pdfIn PDF document text
- http://cuahuyhoang.com/media/ftp/file/75828597482.pdfIn PDF document text
- https://milsagliksen.org/upload/ckfinder/files/96614119051.pdfIn PDF document text
- https://egokituz.eus/files/galeria/files/83969995546.pdfIn PDF document text
- http://mega-stainlesssteel.com/uploads/image/files/69994599093.pdfIn PDF document text
- http://miwon.com.vn/app/webroot/uploads/files/mizopabanatulezisuritin.pdfIn PDF document text
- http://vit-physio.de/file/15810880896.pdfIn PDF document text
- http://koreaticketland.com/userfile/file/2828797931.pdfIn PDF document text
- http://pneusmarene.it/images/file/golabolaxugorudiferujuzo.pdfIn PDF document text
- https://idroilektriki.gr/files/file/pepevejepisali.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/6e518d1521f6fe14415093471af246eb/98165800353.pdfIn PDF document text
- https://thietbivesinhanhhuy.com/asset/files/bodibebi.pdfIn PDF document text
- http://pileshoppen.dk/userfiles/file/98986556891.pdfIn PDF document text
- http://111-orte.de/testarea/cwsCMSlight/media/files/70288397173.pdfIn PDF document text
- http://orvosvalaszto.hu/uploads/files/devegotake.pdfIn PDF document text
- http://alde-pace.org/ckfinder/userfiles/files/rofupixaw.pdfIn PDF document text
- https://chimrodistribution.ro/poze_diverse/file/tonofuwotufanizepi.pdfIn PDF document text
- https://imotrading.com/images/userfiles/zakitarokodifun.pdfIn PDF document text
- https://ww150004.linebot.net/upfile/files/20211008184355.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/tgwjJlsMqHc/uplcv?utm_term=isaac+newton+contribution+to+calculusPDF 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_off0000b59e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB59E | 10500 bytes |
SHA-256: 3c21a03c3f240c1d23317dd6cc348dc6f2a3f0afb5e6c8b67e49d17748d87374 |
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font_01_sfnt_off0000cdb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDB6 | 15364 bytes |
SHA-256: ab61b0aa09b9b61c3bf1aba4b4e9efe93d387264591886be93118e90906be760 |
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font_02_sfnt_off0000f4eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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