MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm hosted on potentially compromised or disposable domains, designed to redirect users to other PDF files. The presence of multiple URLs, including one pointing to a compromised WordPress upload, suggests an attempt to distribute malicious content or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://ebsenglish.net/_UploadFile/Images/file/jesaruwi.pdf In PDF document text
- http://fpole.ru/sadm_files/66240187112.pdfIn PDF document text
- https://nikosdimos.gr/userfiles/file/tatolo.pdfIn PDF document text
- http://mytmbc.org/fckimage/file/semejeneked.pdfIn PDF document text
- http://cy2hand.com/userfiles/33338505356.pdfIn PDF document text
- http://pincodehub.in/userfiles/file/96473668091.pdfIn PDF document text
- http://feach.ie/images/uploads/file/zezikukinoladanagodo.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/ff4f091c213914480d7688718067fec2/18862376024.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075efb5092ea---69217482661.pdfIn PDF document text
- https://associazionemusicaviva.it/uploads/file/walumogizafefeji.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16089d3d0e627f---tudezivorefege.pdfIn PDF document text
- http://dungcumaymoc.com/Images_upload/files/37047803677.pdfIn PDF document text
- http://calliopegoodrich.com/clients/73417/File/61773762624.pdfIn PDF document text
- http://ascensionchina.com/userfiles/file/zobabewafedan.pdfIn PDF document text
- http://nghieuphong.com/upload/files/kufirepurutopizarirop.pdfIn PDF document text
- http://fese.in/ienupdimages/images/files/wamuvowire.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/wosilikimitolagujido.pdfIn PDF document text
- http://keletunderground.hu/images/uploaded_pics/file/99216212424.pdfIn PDF document text
- http://china-spec.ru/userfiles/file/5577081428.pdfIn PDF document text
- https://pk-kuepfer.ch/ckfinder/userfiles/files/4444775408.pdfIn PDF document text
- https://sport-jicin.cz/dokumenty/danok.pdfIn PDF document text
- https://twinslock.com/locktactyuma/userfiles/file/guzezumasowiperagi.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105b116e6653---84515074096.pdfIn PDF document text
- http://m2m2design.com/userfiles/2325292281.pdfIn PDF document text
- http://siblom.ru/files/upload/file/5684124989.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8e708b641---55984562818.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=configuration+electronique+pdfPDF 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_off0000d200.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD200 | 18688 bytes |
SHA-256: 3c3fbca32bedc39bdf2291f167cb1cb2f22daf5d19f3c3e1ae10bc4d8b434999 |
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font_01_sfnt_off00010266.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10266 | 10904 bytes |
SHA-256: 607c1d7f56c3cb566d996347467b01d593acd19ca76d857af364652f079ed9a8 |
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font_02_sfnt_off00011b42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B42 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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