MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous embedded URLs, many of which point to compromised websites or disposable domains, suggesting a link farm designed to distribute malicious content or phish users. The presence of multiple PDF link farm heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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://machinegroup.ru/img/outer/files/kamatiwejig.pdf In PDF document text
- https://sma-dfgg.org/site/admin/file/76961062460.pdfIn PDF document text
- https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/71607149664.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb3b18db5f---97198514348.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/am8kh4dletnjdq8qnuru53kal1/86284189774.pdfIn PDF document text
- http://szyoujin.com/UploadFile/file/20210907160759931.pdfIn PDF document text
- http://bluebossa.pl/files/file/xodefepofu.pdfIn PDF document text
- http://feriaalainversa.com/uploaded/files/8867840815.pdfIn PDF document text
- http://saint-party.com/media/file/muwaw.pdfIn PDF document text
- http://permagnet.com/upload_files/file/210913030607901311vx9ict.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/48242814635.pdfIn PDF document text
- http://moristas.com/userfiles/files/texixenuson.pdfIn PDF document text
- http://emekyesiltepe.net/images_upload/files/34406729560.pdfIn PDF document text
- https://mexico-airport-transfers.com/ckfinder/userfiles/files/79928305398.pdfIn PDF document text
- http://studiotecnicomaglio.it/userfiles/files/mijonaniweziga.pdfIn PDF document text
- http://caydinhlang.net/userfiles/image/file/zitogapiridavibabevonilon.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/38bdbapjvgq0gnj2trank5g31o/bofawimamunexesewafuz.pdfIn PDF document text
- http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/4351510452.pdfIn PDF document text
- http://robvancampen.nl/userfiles/file/subotawidadevesawid.pdfIn PDF document text
- https://best-of-geldanlagen.de/userfiles/file/39559671496.pdfIn PDF document text
- https://khangle.vn/uploads/images/files/7144595956.pdfIn PDF document text
- https://fishboat.hr/files/bikefabaxekezemunajor.pdfIn PDF document text
- http://nbkhjc.com/uploads/202109/file/2109050807529350211xmt43ediowk.pdfIn PDF document text
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/rutulaj.pdfIn PDF document text
- http://preciz.com/uploads/wysiwyg/files/48598026158.pdfIn PDF document text
- http://interstyle.org/content/xuploadimages/file/99300087678.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=subway+surfers+new+york+mod+apk+downloadPDF 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_off0000b311.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB311 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB28 | 11076 bytes |
SHA-256: ef084e1865681970f67fca1155ff4f82e5ba09e84e2473c950388c2b3767e11c |
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font_02_sfnt_off0000e4cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CF | 14768 bytes |
SHA-256: c5b170fd4bc03da91901d40c6f605eb94719b69e3a80cc0a6624e31d7495fd8a |
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