MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with numerous external URIs pointing to potentially compromised websites. Some links lead to other PDF files hosted on these sites, suggesting a multi-stage infection or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1614fb93567467---jusijofo.pdf In PDF document text
- http://yao-cheng.com/uploadfiles/20210920194859.pdfIn PDF document text
- https://envirotechindia.net/admin/userfiles/file/10256440666.pdfIn PDF document text
- https://konyaalotaksi.com/userfiles/file/dolojudarajuzoki.pdfIn PDF document text
- https://hoangphatdanang.xetnghiemadndanang.com/uploads/image/files/puripipedapija.pdfIn PDF document text
- http://alfatreyd-mebel.ru/archive/images/file/bisunudugib.pdfIn PDF document text
- http://bhk-aindling.com/userfiles/files/44779237998.pdfIn PDF document text
- http://aow.infogestnet.it/ckfinder/userfiles/files/winoridulu.pdfIn PDF document text
- http://polyalpan.hu/_user/file/merew.pdfIn PDF document text
- https://osakaav.com/userfiles/files/63010254868.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/f33cdc0657c0855ee1f0aedf6db8b383/29598502439.pdfIn PDF document text
- https://xn--80aggmy8c6c.net/UserFiles/File/53811037610.pdfIn PDF document text
- http://magendans.com/imagefiles/file/jafetu.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d55e443e7---165566771.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615fd327ade05---79599518436.pdfIn PDF document text
- https://yapluka-services.fr/userfiles/file/begononesurinesara.pdfIn PDF document text
- http://weorderfood.com/uploads/files/soxodelidinuxo.pdfIn PDF document text
- http://tucsokszekszard.hu/images/news/file/zonolenijibowujomawixu.pdfIn PDF document text
- https://yasacompany.com/upload/files/wuwivakekoragiluter.pdfIn PDF document text
- https://rentcar888.com/uploads/files/202110020630495256.pdfIn PDF document text
- http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/69048274588.pdfIn PDF document text
- http://www.gamylai.vn/uploads/files/kepudoxuvogozotizet.pdfIn PDF document text
- https://nstyapi.com/resimler/files/68676020546.pdfIn PDF document text
- https://playindiano1.in/ckfinder/userfiles/files/58480407473.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=class+8+science+chapter+12+solutionPDF 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_off0000b08d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB08D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c89f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC89F | 15644 bytes |
SHA-256: cf7ae812f6f0349415ffaf75b036f898002aee536920e3e31df9a81220ec424e |
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font_02_sfnt_off0000f034.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF034 | 10980 bytes |
SHA-256: 40064fb0d4bb57b32f286343f1a2063b2ab81708a53b093adca704470f9024b6 |
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