MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file functions as a link farm, containing numerous URLs that point to compromised WordPress upload directories and other disposable hosting. These links likely lead to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f63e4a4ce---16703129956.pdf In PDF document text
- https://khangle.vn/uploads/images/files/29745085120.pdfIn PDF document text
- https://euroroma-bg.org/files/file/79546406169.pdfIn PDF document text
- https://tuoitre.bacgiang.gov.vn/lib/ckfinder/files/88402199738.pdfIn PDF document text
- http://thibidi.vinadesign.info/uploads/images/files/32776251915.pdfIn PDF document text
- http://contextuae.com/resimler/files/bemab.pdfIn PDF document text
- https://www.playitdirect.ca/ckfinder/uploadfiles/files/bovegaxow.pdfIn PDF document text
- https://sapporopools.com/contents/files/notisabosimip.pdfIn PDF document text
- http://tks-forever.com/upload/2021/09/08/file/zerimuwagutebuboridad.pdfIn PDF document text
- https://shatalarab-llc.net/userfiles/files/52204068456.pdfIn PDF document text
- http://denkobarbell.com/_upload/files/golemexadojejilek.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613058b7cb6e5---36624651343.pdfIn PDF document text
- https://xistenze.nagydavid.com/files/files/sunomixosubugenofenoxu.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/4f53443d875a624c71af6a795558900b/sokowolafovoxitijurov.pdfIn PDF document text
- http://xn--22cjbbm2eyae3ehabdb4kqdtae3dxnnc1fhf.com/user_img/files/botevapoketabowomigek.pdfIn PDF document text
- http://tinavaron.com/ckfinder/userfiles/files/6645713603.pdfIn PDF document text
- http://hoangminhphatkorea.com/webroot/img/files/defoj.pdfIn PDF document text
- https://wisestudentz.com/userfiles/file/94968409294.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16134ae0acc51a---89997901962.pdfIn PDF document text
- http://gtlfuelmarine.com/userfiles/file/53931447355.pdfIn PDF document text
- http://quiltingacademy.com/fckeditor/userfiles/file/96011305.pdfIn PDF document text
- http://stringquartet.biz/web/images/fck/file/kolegex.pdfIn PDF document text
- http://good163.cn/Uploadfiles/files/49384259645.pdfIn PDF document text
- http://mcrlclient.gilcom.ro/ckfinder/userfiles/files/73918672137.pdfIn PDF document text
- http://baracenter.be/userfiles/file/wezaburezurugat.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=retro+game+center+androidPDF 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_off0000f769.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF769 | 10544 bytes |
SHA-256: 7e8fcf3683ef754f2042b4aa6953994ce2bd095eca9f1340540abe38b2696ba3 |
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font_01_sfnt_off00010f38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F38 | 17004 bytes |
SHA-256: 45eabebc403124801ccf367c7cebccaa177ed0cf2399caa73a24f42f2d3548ee |
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font_02_sfnt_off00013b9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B9E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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