MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs that form a link farm, with several pointing to compromised CMS uploads and disposable hosting. The ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggests a malicious intent, likely to lure users to phishing sites or download further malware. No scripts were extracted, but the structure and URL patterns are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4927
Heuristics 5
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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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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 https://pistant.ru/uplcv?utm_term=1200+divided+by+40 PDF link annotation
- https://b2bircruise.travflex.com/bot/ckfinder/uf/files/50474085031.pdfIn PDF document text
- http://whatcanidoforyou.eu/publish/file/56382639507.pdfIn PDF document text
- http://pentas.eu/userfiles/file/52125719402.pdfIn PDF document text
- http://fitviewer.biz/files/file/sulerikefepodajig.pdfIn PDF document text
- https://gencshoworganizasyon.com/upload/ckfinder/files/nabadumife.pdfIn PDF document text
- http://abwingscolley.com/uploads/files/bekanidifapufawi.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/0dbf622ab06d338f4d835bf6d10ae296/vififubare.pdfIn PDF document text
- http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/vemibubaj.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7afab73cc---motuzipanotinusijazupu.pdfIn PDF document text
- http://tea-ra.com/user_data/upload/save_image/files/57679181310.pdfIn PDF document text
- https://argekaucuk.com/nbg/upload/files/57602591172.pdfIn PDF document text
- http://ambvet-trefontane.eu/userfiles/files/gopewopodunaroratemokew.pdfIn PDF document text
- http://aven.su/userfiles/file/57327868205.pdfIn PDF document text
- http://rhondachem.com/d/files/32832152308.pdfIn PDF document text
- http://www.smwiarus.pl/ckfinder/userfiles/files/sevonegofom.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/miclnvamds08om1vv6219t45a4/36511121038.pdfIn PDF document text
- http://dharmapuridiocese.com/svnprojects/DHD/Source/images/files/25511795499.pdfIn PDF document text
- http://geonatlife.es/ckfinder/userfiles/files/36207330055.pdfIn PDF document text
- http://bfcy88.com/uploads/files/74590891057.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/161338e16f217a---77698195826.pdfIn PDF document text
- https://rowadalbyt.com/userfiles/files/tanupikozotadiraxapakeg.pdfIn PDF document text
- http://chinamakina.com/userfiles/file/93750057942.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/d9205e19e8991674e7645e824d7b6740/kevipomojusajekofegefepi.pdfIn PDF document text
- https://viboot.traigiongthuha.com/ckfinder/userfiles/files/pagejurasenuvu.pdfIn PDF document text
- https://webmenuplus.com/images/file/funadi.pdfIn PDF document text
- http://shopcloud.cloud/ckfinder/userfiles/files/wedulukom.pdfIn PDF document text
- https://www.kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/48034752510.pdfIn 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_off0000b340.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB340 | 10040 bytes |
SHA-256: 6e52b1eaa19e355a95a4ee0915369fd72bafb05bb37ccb733f17370fda28a93a |
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font_01_sfnt_off0000c9b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9B7 | 15160 bytes |
SHA-256: 811ad55b8e01b58027d340e1bf243d11614b4879e2f0f56ed24845d8022e42e6 |
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font_02_sfnt_off0000f000.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF000 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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