MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated maliciousness. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, forming a link farm. The presence of these links suggests an attempt to lure users to external malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://capthepcongtrinh.com/uploads/news/files/69977055169.pdf In PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137b59872568---rogopasiwam.pdfIn PDF document text
- http://safaraval.com/basefile/safaravalcom/files/sujawufefurajufagag.pdfIn PDF document text
- http://votava2.altrodesign.eu/ckfinder/userfiles/files/26813491973.pdfIn PDF document text
- https://bedandbreakfastchia.it/userfiles/file/81786182413.pdfIn PDF document text
- https://granitnet.hu/editor_up/24770909354.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fbf551ddba---78672941644.pdfIn PDF document text
- https://o2opr.co/userfiles/files/beragavokipixerigitak.pdfIn PDF document text
- http://laibros.com/ckeditor/userfiles/files/waxadukoregojaxosewelamaf.pdfIn PDF document text
- https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/lunilimadizuwunibisut.pdfIn PDF document text
- https://stdtekstil.com/upload/ckfinder/files/3388801205.pdfIn PDF document text
- https://trouver-une-ssii.com/img/pics/files/janikixijibaw.pdfIn PDF document text
- http://syntrend.critical.tw/upload/files/28467399748.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135363df0a55---67840701413.pdfIn PDF document text
- https://jokerprod.net/userfiles/file/vudipumum.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-9-7/20210907014650180007.pdfIn PDF document text
- https://giolog.biz/images/bulk_images/files/xobarexejolibi.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/xasanajafugugefiro.pdfIn PDF document text
- http://fourfoods.com/images/files/gekanomage.pdfIn PDF document text
- http://mhinflatable.com/upload/file/xidorusonumo.pdfIn PDF document text
- https://saintarseny.ca/sites/saintarseny.ca/files/file/lekezuf.pdfIn PDF document text
- http://tykhchem.com/upload/files/zikezojogonu.pdfIn PDF document text
- http://iburgisidimarsala.eu/userfiles/files/30436843934.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+check+memory+on+android+phonePDF 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_off0000e833.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE833 | 10848 bytes |
SHA-256: 128cf6a31d54971180c1549373549d93b33a788650c5c8920f368bf7cef744cd |
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font_01_sfnt_off00010115.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10115 | 17620 bytes |
SHA-256: 7b4d80ed536f8872fcbc2ae369cfb9fbaf6d34e431b4044f7a41cf088d6a0b8b |
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font_02_sfnt_off00012f2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F2A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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