MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to numerous domains, many of which are hosted on compromised WordPress sites or disposable hosting. The presence of 'utm_term=browser app apk download' suggests a lure for users seeking software, potentially leading to malware. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://pistant.ru/uplcv?utm_term=browser+app+apk+download PDF link annotation
- https://eminenceconstruction.ca/viking1/uploads/files/ridilepipedusatozixaxu.pdfIn PDF document text
- http://3e3i.com/UserFiles/file///lerokapigajimopavugor.pdfIn PDF document text
- http://rracc.com/file_media/file_image/file/bobulasepov.pdfIn PDF document text
- https://svarovanijelinek.cz/ckfinder/userfiles/files/dijonez.pdfIn PDF document text
- https://amigo-shop.105h.net/upload/files/18189285717.pdfIn PDF document text
- http://nkmate.com/FileData/ckfinder/files/20210903_082E286BDF43373F.pdfIn PDF document text
- http://locthanhroyal.com/upload/files/47711662053.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/161495391c301c---62360270712.pdfIn PDF document text
- http://www.kizkulesikizogrenciyurdu.com/public/ckfinderuploads/files/fefuwuronapiwetodijupi.pdfIn PDF document text
- http://canxetaidientu.com/images/file/68329460538.pdfIn PDF document text
- http://cherriestattoo.com/ckfinder/userfiles/files/jovawopulaniralakil.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16146905177f98---gefibazupenopukelupuvipus.pdfIn PDF document text
- http://csc-028.com/userfiles/file/20210902152441_03y0pu.pdfIn PDF document text
- https://www.sistemkabin.com/ckfinder/userfiles/files/surepifusapibe.pdfIn PDF document text
- http://damnoen.com/ckfinder/pho/files/tusesalikidege.pdfIn PDF document text
- http://tsraccountants.nl/mailing/images/photo/file/22999059637.pdfIn PDF document text
- http://popnmusic.fr/userfiles/file/47067922056.pdfIn PDF document text
- http://soldearenales.com/galeria/files/8499756907.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/l8fkrm06pfhpj08ejfh9k3n3gn/94778649417.pdfIn PDF document text
- http://acsalma.hu/userfiles/files/repopezotobixuxoson.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/pufanad.pdfIn PDF document text
- http://www.mariabeckmann.com/fotos/uploads/files/68605018765.pdfIn PDF document text
- http://bodybybodyology.com/ckfinder/userfiles/files/nopodo.pdfIn PDF document text
- 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_off0000e0a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0A7 | 10428 bytes |
SHA-256: e75343dbb5da6a07305a0357b424091bf56dff122963bee899e11f295dea9bea |
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font_01_sfnt_off0000f87f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF87F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011091.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11091 | 17416 bytes |
SHA-256: 02055f98912aa3275dcff85a112e0f4c124189903a79f6425fa6fb822faf816b |
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