MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised or disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and link farms on compromised CMS uploads points to a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://alisawedding.com/upload/users/files/20901091481.pdf In PDF document text
- https://sproname.com/files/userfiles/files/18047253901.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16164d2b3812ed---sudefokozisexane.pdfIn PDF document text
- http://gdlejia.com/uploadfile/files/20211007_110509.pdfIn PDF document text
- http://timandlor.com/userfiles/file/86784703251.pdfIn PDF document text
- https://upbfassadenbau.com/upload/file/mogapilevopabukenuge.pdfIn PDF document text
- http://ambartakip.net/belgeler/file/70986690396.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161539649064a5---xagerexigonenobodadi.pdfIn PDF document text
- http://liderzy.natura2000.pl/imgturysta/files/39070128454.pdfIn PDF document text
- http://chongqinghaohong.com/upload/files/zobejoraxigokaki.pdfIn PDF document text
- https://profitaler.com/UserFiles/file/ximibeguzuburukemabadez.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/17229400dfa474a7fad47fe7f7a87cd3/somobugewawafora.pdfIn PDF document text
- https://mgrenginiai.lt/ckfinder/userfiles/files/9058586759.pdfIn PDF document text
- http://alhouti.com/userfiles/file/70094208446.pdfIn PDF document text
- https://adtw1.elfjane.com/ckfinder/userfiles/files/75773124631.pdfIn PDF document text
- https://jamurgoreng.net/contents/files/tomatesomemusamazu.pdfIn PDF document text
- http://izeninfo.net/admin/upload/files/58798590028.pdfIn PDF document text
- http://controldellaves.com/app/webroot/arxius/file/92085171905.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/zakuwinatozaj.pdfIn PDF document text
- http://ukonlinedirect.com/userfiles/files/56669458001.pdfIn PDF document text
- http://csc0851.com/userfiles/file/20210911032535_3wpzpg.pdfIn PDF document text
- http://czpohledavky.cz/userfiles/files/pinomumakosobo.pdfIn PDF document text
- http://kalikraft.com/images/file/lakup.pdfIn PDF document text
- http://narcisse.sk/editor_uploads/files/jewexavopetaxunodaj.pdfIn PDF document text
- https://inprovitperu.com/ckfinder/userfiles/files/26725159935.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/7xhmvLXWVJc/uplcv?utm_term=intussusception+of+appendixPDF 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_off0000d749.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD749 | 10620 bytes |
SHA-256: e6b70b37a4a980284931aeb953912a77782dc15be95cdfd0ef5077e52c1d4024 |
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font_01_sfnt_off0000efbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFBB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000107cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107CD | 16944 bytes |
SHA-256: ab63cb2f2a28ef8ee7de1fbe11aa315771b09dfd85425c99cc04035ddf47695f |
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