MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains multiple links pointing to compromised websites, including one hosted on a compromised WordPress upload directory. The presence of a link farm heuristic further suggests an intent to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://chapelguild.com/images/usr/raserazetaxewabepupubu.pdf In PDF document text
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16131622b778e7---golefewimanikepim.pdfIn PDF document text
- https://alpinismbihor.ro/app/webroot/files/userfiles/files/77006231212.pdfIn PDF document text
- https://360clothing.indicsys.com/home/www360cl/public_html/uploads/images/files/sabatavizofogezev.pdfIn PDF document text
- http://www.mamafoundation.cz/ckfinder/userfiles/files/87954694924.pdfIn PDF document text
- http://swaptoys.org/ckeditor/uploads/files/81077588264.pdfIn PDF document text
- http://queenart.kr/userData/board/file/jexikexe.pdfIn PDF document text
- http://fkhd.cz/data/img/wigodotugavagij.pdfIn PDF document text
- https://ltes2.tw-goods.com/UserFiles/files/fuxerelenovogi.pdfIn PDF document text
- http://elosc.com/upFile/file///ITX202109031021481181.pdfIn PDF document text
- https://globalathena.com/ckfinder/userfiles/files/momagupesogirekopodibudu.pdfIn PDF document text
- http://marketingnews.fr/images/file/21553907846.pdfIn PDF document text
- https://mfdesign.hu/files/file/15369073196.pdfIn PDF document text
- http://csa.china-led.net/static/editor/ckeditor/ckfinder/upfile/files/vopuke.pdfIn PDF document text
- https://hazeloyun.com/calisma2/files/uploads/59170844810.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132c48251f3b---16330291556.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/68eoafak06t66ei16lromfpg6d/rixotajaf.pdfIn PDF document text
- http://ibtaker.ps/userfiles/file/bewafetevapef.pdfIn PDF document text
- https://boumqueur-edition.com/upload/fckeditor/file/35107843742.pdfIn PDF document text
- https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/boxewudibisubo.pdfIn PDF document text
- https://ra7a7p-h3ba7.com/contents/files/viveretobinig.pdfIn PDF document text
- http://bretagne.annuaire-regional.com/ckfinder/userfiles/files/17923997014.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=cle+usb+sur+tablette+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_off0000e947.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE947 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001015e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1015E | 10512 bytes |
SHA-256: 6be9bf26eb8e3ad9a77cea21413d60e579544452e24e3aac1390ec9647e2e27f |
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font_02_sfnt_off00011968.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11968 | 19820 bytes |
SHA-256: 768a09786c87227139795ba04936f88c19dbe5d4640d3ed69afae7f37ae3ae63 |
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