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. It contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload storage, indicating a link farm designed to redirect users. The presence of these links and the overall structure strongly suggest an attempt to lure victims to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://cserepakciok.hu/xdata/file/32913569040.pdf In PDF document text
- http://travelsi.ru/ckfinder/userfiles/files/deramexijozojekoniwafopa.pdfIn PDF document text
- https://riminabda.sk/userfiles/file/75561357871.pdfIn PDF document text
- https://peltonfell.org.uk/ckfinder/userfiles/files/musemufabe.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/jogonuwurupakerejokol.pdfIn PDF document text
- http://www.pantonerestauri.com/ckfinder/userfiles/files/pibolajuba.pdfIn PDF document text
- http://studiovalentini.eu/userfiles/files/zewojax.pdfIn PDF document text
- http://ilkemymm.com/image/files/sireradazawubazixutum.pdfIn PDF document text
- https://cosmopolitanhotelbg.lastrada.bg/uploads/wysiwyg/files/45340190971.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140c5b110e39---67996367084.pdfIn PDF document text
- http://autoklej.pl/app/webroot/media/files/31537136264.pdfIn PDF document text
- https://playindiano1.in/ckfinder/userfiles/files/78317282119.pdfIn PDF document text
- http://konferencii.org/web/uploads/assets/file/ronisaxujaz.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/161421215ce2cf---1905451097.pdfIn PDF document text
- https://allegypttours.net/userfiles/files/29981826663.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/c43h2dsa378k60o4qd86rum23t/sukanisokorabiwilane.pdfIn PDF document text
- https://ises.smithpressautomation.com/phpsites/vertical_living/uploads/file/tekipusoxuv.pdfIn PDF document text
- http://patronusalapitvany.hu/public_html/upload/94774243429.pdfIn PDF document text
- http://s2ipower.com/survey/userfiles/files/dunukamenepu.pdfIn PDF document text
- https://perfecthospitals.org/FCKeditor/file/jefijalogixegiwanupokajo.pdfIn PDF document text
- https://dusunceokulu.net/resimler/files/86797167727.pdfIn PDF document text
- https://niboparis.com/upload/fckeditor/file/1631719768_1.pdfIn PDF document text
- https://lazeo.nl/userfiles/file/76278536908.pdfIn PDF document text
- https://mebelihome.ru/upload_picture/2025968865.pdfIn PDF document text
- http://www.accl-calibration.com/login/ckfinder/userfiles/files/33217852132.pdfIn PDF document text
- http://texmet.pl/userimages/file/zoliwaju.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=english+movies+website+freePDF 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_off0000b58f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB58F | 17812 bytes |
SHA-256: d292ff635678f65e68bdc3a902908697dff7ec22b11afeb489da2359ddff53e3 |
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font_01_sfnt_off0000e389.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE389 | 10776 bytes |
SHA-256: 46cb53cb4569426f26a3c612fbaae7e42c2c9b9017cd401ae13fd9338305ea4c |
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font_02_sfnt_off0000fc27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC27 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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