MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. Static analysis revealed it functions as a link farm, with numerous embedded URLs pointing to potentially compromised or disposable hosting. The presence of a link to a compromised WordPress upload storage further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://nieruchomosciprzetargi.pl/files/file/63210446709.pdf In PDF document text
- https://12shio1.com/contents/files/jetewurid.pdfIn PDF document text
- http://repetitorebi.ge/userfiles/files/zatamupigejobibuzof.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/xononidenawesetuwetabid.pdfIn PDF document text
- http://ip-malkov.ru/uploads/files/biboz.pdfIn PDF document text
- http://beerskiboot.com/img/upload/file/26815211436.pdfIn PDF document text
- http://velocimapper.com/webfiles/file/31329927524.pdfIn PDF document text
- http://suncitygroup.ir/basefile/suncitygroupir/files/70650788887.pdfIn PDF document text
- http://iiiemjobs.com/FCK_Editor_Images/files/8293307490.pdfIn PDF document text
- http://palestraarkadia.it/userfiles/files/kijemubetaridevokusego.pdfIn PDF document text
- https://mclandpin.com/calisma2/files/uploads/10602417506.pdfIn PDF document text
- https://dusunceokulu.net/resimler/files/wamutitasejaj.pdfIn PDF document text
- http://arenabilardo.com/data/_files/64443330864.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1615c2d3303139---mudufexelidegaxiguta.pdfIn PDF document text
- https://gadd-asso.org/userfiles/file/90600945755.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614ea4edf09ca---24357952564.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/161516a9e468c1---gokuguriwoloxe.pdfIn PDF document text
- https://kimtuong.vn/isc/public/files/fckupload/file/fafazaditilovafu.pdfIn PDF document text
- http://yigang-lin.com/uploads/files/202109232032105361.pdfIn PDF document text
- http://mzch.pl/userfiles/file/34052753337.pdfIn PDF document text
- http://renknh.com/ckupload/files/20258581559.pdfIn PDF document text
- https://glamweddingdesign.com/userfiles/file/malokobixadodaroko.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/16141bb1e450ca---97986339686.pdfIn PDF document text
- http://uekekb.ru/!upload/files/xubezorukapa.pdfIn PDF document text
- https://stpeterscbs.ca/ckfinder/userfiles/files/82014247816.pdfIn PDF document text
- http://neodentpetrosino.it/userfiles/files/dusilujaravejoxugujevafaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/4dZi1sgP-vI/uplcv?utm_term=pictionary+online+with+friendsPDF 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_off0000f4e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010cfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CFB | 10776 bytes |
SHA-256: f6d60f6122c7e4050facd48316b6a2906711bd7de92319cdb89ac1585f2a73de |
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font_02_sfnt_off000125d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125D4 | 19156 bytes |
SHA-256: b112ffd4661689c1b8f2b3b1be9398958bfc215dc391502b41f213f25c756de3 |
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