MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS uploads. The presence of numerous unknown URLs suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://beiwendq.com/data/attachment/file/60852012794.pdf In PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/161347d48b55fd---24798781005.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/7bc4d9f458d47e95a8c847ad3b513ffb/67607261472.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/89205728301.pdfIn PDF document text
- http://pushgroup.lv/userfiles/files/xonedaneruwopimamad.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/6pj0a1jn18m9venu8c0bqd6vaa/51474718622.pdfIn PDF document text
- http://potlista.com/file/files/furitovipabetixiv.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614225e48deed---xadupa.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161467b30ad02b---48892634975.pdfIn PDF document text
- http://homeopathyhongkong.cn/files/89153278721.pdfIn PDF document text
- https://marcuspietrek.de/MARCUS/files/file/rijaw.pdfIn PDF document text
- http://motorlustor.net/userfiles/file/wonuxoxapajuwedekabige.pdfIn PDF document text
- http://fs-select.com/images/blog/file/32064975910.pdfIn PDF document text
- http://chinalabware.es/d/files/34072606313.pdfIn PDF document text
- http://embody.box8websites.com/ckfinder/userfiles/files/84668833046.pdfIn PDF document text
- http://veterky.ru/ckfinder/userfiles/files/vubeluxusebi.pdfIn PDF document text
- http://centromedicoveterinarioadda.com/userfiles/files/fedejedifeduxu.pdfIn PDF document text
- http://unsersohn.com/images/file/buguzeziziramatoxufuxape.pdfIn PDF document text
- http://www.cerathai.com/image/upload/File/79520799771.pdfIn PDF document text
- http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/83240894443.pdfIn PDF document text
- https://kuzeyilac.com/resimler/files/93267377437.pdfIn PDF document text
- http://ijfbn.com/editor_up/pitisosopagifazubefuwagif.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=mxq+pro+4k+drivers+windows+10PDF 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_off0000bf0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF0D | 16768 bytes |
SHA-256: 634b2568bb3388e3e3bcc9ffff0ccd6e999921bdbefcb11b737488a2ba086842 |
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font_01_sfnt_off0000ea02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA02 | 10816 bytes |
SHA-256: 2ec96ac35318d665c3ce3987f4d9a6cb6cd24beca408f636864a24e43e7030bb |
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font_02_sfnt_off000102f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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