MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, with heuristics indicating it functions as a link farm. Several URLs point to compromised CMS uploads or disposable hosting, suggesting a malicious intent to redirect users to potentially harmful sites. The ClamAV detection and ML classifier strongly indicate a malicious phishing or trojan payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://garglob.ru/uplcv?utm_term=candyland+characters+2019 PDF link annotation
- https://curewelldiabetes.com/userfiles/file/88090664703.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143533d6f56a---pupugavinubewebimapupak.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/98603709515.pdfIn PDF document text
- https://lacaune.hu/userfiles/file/84600224325.pdfIn PDF document text
- https://epponline.com/mentorfinancial/page_images/file/xilonowukezibat.pdfIn PDF document text
- https://manenshop.com/upload/files/xepugisusiwasavewovivo.pdfIn PDF document text
- http://volkshilfe-vlbg.at/images/content/files/552828591.pdfIn PDF document text
- http://www.scea.edu.mn/ckfinder/userfiles/files/658658782.pdfIn PDF document text
- http://greenlivinggarden.com/htdocs/UserFiles/file/39893635340.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614095d929e22---42409543405.pdfIn PDF document text
- https://romalasergroup.com/userfiles/files/vomejosenekapoxuvokizago.pdfIn PDF document text
- https://atiksigorta.com/files/10152309510.pdfIn PDF document text
- http://teifsepahan.com/files/file/tozogubosumez.pdfIn PDF document text
- http://sccsfz.org/upload/2021-09/fefikivowigulugof.pdfIn PDF document text
- https://xylemleads.com/userfiles/file/71564386458.pdfIn PDF document text
- https://btegypt.com/file/xunudilulof.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161344cc916929---nawimoniwomemojot.pdfIn PDF document text
- http://usefchina.com/uploadfile/file///2021100112012643.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-11/20210911225422598642.pdfIn PDF document text
- http://satcomlink.com/userData/board/file/92745562083.pdfIn PDF document text
- http://kaiyudachem.com/filespath/files/20210904053823.pdfIn PDF document text
- http://veterinariacomportamentale.it/userfiles/files/jifugedewinuzipiz.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/9383140b5aeb72ded56a601852ad3f50/jaribixepadilin.pdfIn PDF document text
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/suxaxoxekanorafumave.pdfIn PDF document text
- https://xn--pssa17sw71b.tw/upimages/files/bomubowalasogegub.pdfIn PDF document text
- http://bertrandetgastineaudesigners.fr/userfiles/file/51086328875.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_off0000b12b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB12B | 15040 bytes |
SHA-256: f6cc823bd48c01d26fb28d7af11012716bc83dbc3c8842f8df48ad4bae25bb7a |
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font_01_sfnt_off0000d704.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD704 | 10864 bytes |
SHA-256: 021db6c589769a81fcd19b05006a94e68d4b222e0d07060b20336f7154fb3951 |
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font_02_sfnt_off0000f042.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF042 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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