MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics as malicious, including a ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous external links, many pointing to compromised WordPress uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the ML classifier output strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://laborke.ru/uplcv?utm_term=how+to+jailbreak+your+android+without+a+computer PDF link annotation
- http://ashole.hu/UserFiles/File/90126426486.pdfIn PDF document text
- https://currenwatch.myhost360.cn/file/upload/files/09-08-12-22-37-22.pdfIn PDF document text
- http://azinsaghf.com/cache/fck_files/file/99205870694.pdfIn PDF document text
- http://khaskhaan.mn/uploads/userfiles/files/jikizimibelife.pdfIn PDF document text
- http://zit-tech.com/userfiles/files/42620028066.pdfIn PDF document text
- https://s-oil.hoakhanh.vn/uploads/image/files/93705098388.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/8f071c381be1572f0323608ff906ccc4/96547429604.pdfIn PDF document text
- https://beauti-full.ru/uploads/files/rovifelu.pdfIn PDF document text
- http://mesterteto.hu/userfiles/file/65663907668.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132134363f68---18038114631.pdfIn PDF document text
- http://britishcytology.org.uk/ckfinder/userfiles/files/dilubunagezibaburejesa.pdfIn PDF document text
- http://henanshuangxin.com/d/files/10675492820.pdfIn PDF document text
- https://cs168.tw/upfiles/editor/files/56869910575.pdfIn PDF document text
- http://goksirlambinowice.pl/img/upload/files/pulukojumizevafokivib.pdfIn PDF document text
- http://joyandwowbook.com/upload/file/japusonazapipisari.pdfIn PDF document text
- https://rsun.pro/admin/ckfinder/userfiles/files/mupevumupukepavidekid.pdfIn PDF document text
- http://pedraferro.com/files/files/runulagodawapevudurofana.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/88615440935.pdfIn PDF document text
- http://vividconcept.in/userfiles/file/jewozofowudiligixegaju.pdfIn PDF document text
- http://kanomax-nsk.ru/images/3524615120.pdfIn PDF document text
- http://yokosohk.com/files/fckfiles/file/47761039077.pdfIn PDF document text
- http://argol-editions.fr/userfiles/file/38033888736.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/16136e78f0c533---6061978281.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_off0000d20b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD20B | 18120 bytes |
SHA-256: b654d484932b585eab972050b5d44c48f535942dede2c4f64ecc694446c57369 |
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font_01_sfnt_off000101b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101B6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000119cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119CD | 11264 bytes |
SHA-256: 8d863cfd225c2b50c3cf0ccdf34a15225b37247cdbadaabd8bf474f517e7c8c1 |
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