MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lead users to malicious sites for phishing or further malware delivery.
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 http://hladonural.ru/upload_picture/potimiwu.pdf In PDF document text
- http://studiotecnicobonoli.com/userfiles/files/ditefewomigosi.pdfIn PDF document text
- http://www.hgekc.com/media/userfiles/file/16554904198.pdfIn PDF document text
- https://stmpallet.com/ckfinder/userfiles/files/72327523888.pdfIn PDF document text
- http://bjyhyy.cn/filespath/files/20210909093443.pdfIn PDF document text
- https://saintarseny.ca/sites/saintarseny.ca/files/file/tikavidufulor.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c516c94661---75793514359.pdfIn PDF document text
- https://intersensor.ro/v2011/Files/fck_upload/file/satupakibefobujeso.pdfIn PDF document text
- https://georeno.ca/userfiles/files/89010872149.pdfIn PDF document text
- http://montex.pro/uploads/userfiles/file/xuwixoxepuzodone.pdfIn PDF document text
- http://opusincertum.it/userfiles/files/50347913537.pdfIn PDF document text
- https://travelinnsuites.com/nbloom/fckuploads/file/guradi.pdfIn PDF document text
- http://lumieretvie.com/userfiles/file/taxozugexov.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16139bdbc848c3---kosebapumolenobuwe.pdfIn PDF document text
- http://sparan-art.ru/ckfinder/userfiles/files/66921524738.pdfIn PDF document text
- http://flyingkirin.com/uploadfiles/file/102213218880.pdfIn PDF document text
- http://automozg.by/upload/editor/files/66740084686.pdfIn PDF document text
- http://sparkpro.lv/content/file/58799323823.pdfIn PDF document text
- http://kangshi-you.com/uploads/files/202109180803593349.pdfIn PDF document text
- http://186086.com/upload/files/zuwibatarijibagof.pdfIn PDF document text
- http://maiodi.com/userfiles/files/34651999472.pdfIn PDF document text
- http://mtegl.wsystem.sk/userfiles/files/jarotegapeb.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140794b73d0a---30618732878.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=cheats+for+adopt+mePDF 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_off0000d9dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9DC | 17096 bytes |
SHA-256: fb33ea1ab4b151aa0809457247a4b9a960a8768d781ba5d07b5d5054e3fcee72 |
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font_01_sfnt_off00010634.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10634 | 10552 bytes |
SHA-256: ba2a78a55b7b4aaa65ee901b4f2f98feac17867c15eca7a66cf11abefc2c04cd |
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font_02_sfnt_off00011e58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E58 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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