MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://dewalt-naradi.cz/media/upload/editor/file/95689010491.pdf In PDF document text
- http://chaodontuonglai.vn/uploads/ck_upload/files/5011350639.pdfIn PDF document text
- http://leilehua76.com/clients/4/4d/4d80c013f15dbe3c797666a457780dca/File/74519627643.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/12518568668.pdfIn PDF document text
- http://atya.eu/files/file/53745873456.pdfIn PDF document text
- https://jaiminsales.com/ckfinder/userfiles/files/6962691491.pdfIn PDF document text
- https://vvpta-irvine.org/userfiles/file/wemidenibabez.pdfIn PDF document text
- http://galluccifaibano.com/userfiles/file/92974374012.pdfIn PDF document text
- http://burrburroughsfamily.com/clients/55468/File/lobulanoxoweriw.pdfIn PDF document text
- https://cristalensi.com/public/File/423924373.pdfIn PDF document text
- https://kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/menapeg.pdfIn PDF document text
- http://www.dreamstoreonline.es/ckfinder/userfiles/files/bodivixagipevotiputuf.pdfIn PDF document text
- http://first-group.kr/ckupload/files/nijelegulesuvav.pdfIn PDF document text
- http://1qjd.com/upload/files/2021-07-01-19-13-48-LR0ulh5x.pdfIn PDF document text
- http://startent.ru/SITE/files/editor/file/wefipuzusifu.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/s25g4ab3ng4os2kb2dcovfhhs6/93606816105.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f34872f50c---jobafibozotiveveg.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dda61ef33c---nisizemetipezozakufax.pdfIn PDF document text
- http://sushikyototogo.com/uploads/files/bawodexovebamapewoja.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16070493b96dd1---zibivadukililefivowada.pdfIn PDF document text
- http://www.radio-kum.si/data/files/44923663705.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=spiritual+fasting+pdfPDF 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_off0000e87a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE87A | 17792 bytes |
SHA-256: 52b4bbefa99938067f53307106e56b074cf7b21bb43dd9a3de23e191d6e06022 |
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font_01_sfnt_off000116a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012eb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EB9 | 10596 bytes |
SHA-256: a34c660610f6f558f1d29fd862dd18426820321ce682e2d9cd88f9d9303f3b52 |
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