MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm, with multiple URLs pointing to compromised CMS upload storage and disposable hosting. The embedded URLs suggest an attempt to direct users to external, potentially malicious, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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 https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b99c0a2145---32855345194.pdf In PDF document text
- https://autoradiator.mn/uploads/ckfinder/files/31559224821.pdfIn PDF document text
- http://arebiatours.com/uploads/files/jidudaf.pdfIn PDF document text
- http://quiltingacademy.info/fckeditor/userfiles/file/kuzeposexafupirivanuti.pdfIn PDF document text
- https://ecotranslation.ca/upload/editor/file/38365456475.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/kb38ki3jm2jhematoquipqehr5/76366439432.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/zonijamunorozisewikivero.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a8806c51ba1---43359278535.pdfIn PDF document text
- http://qazaqbanki.kz/data/content/files/45592767347.pdfIn PDF document text
- https://newtech-utm.pl/userfiles/file/95180242529.pdfIn PDF document text
- https://nadamasristorante.it/file/kefosixabixeruwoned.pdfIn PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16115816534dc7---72272963698.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607acc00625d1---wegaroza.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/zumemotizemukativir.pdfIn PDF document text
- http://ty-universe.com/image/files/20210629_160820.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6187322ce2---99575593293.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0e6b83c32---wefafiwowubezedolug.pdfIn PDF document text
- https://remoteyourstaff.com/calisma2/files/uploads/92479459784.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/7214794760.pdfIn PDF document text
- http://bjjiffy.com/upload/27029619766.pdfIn PDF document text
- http://essiac.cz/UserFiles/file/87370991132.pdfIn PDF document text
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/nvmiddvh9hf4vcc54bn4c7b7iu/fugepasinudajumexipo.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/503d9661b42762fda65671de734ee16c/judufemowatuwor.pdfIn PDF document text
- http://madmojo.com/fckupload/file/jogisoratalipoluzubaziv.pdfIn PDF document text
- https://chupwo.com/editor_upload/file/41546801996.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=what+is+bkash+merchant+numberPDF 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_off0000df8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF8B | 17276 bytes |
SHA-256: c5504b41dbaa3cd35631cae23c7d0f03eba9008a4560d4614e26f8ef2b41a460 |
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font_01_sfnt_off00010c95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C95 | 10656 bytes |
SHA-256: fce2e067862cf6b813ca60e1cf26b8c69c743b01c12eafa5c025c9f2d1992ab1 |
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font_02_sfnt_off000124dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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