MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm. The presence of an IP address literal in a URI further increases suspicion. While no scripts were explicitly extracted, the overall structure and heuristic firings point towards a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9894
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://atolab.it/wp-content/plugins/super-forms/uploads/php/files/2478ef680f0e48e554ead7c42123da06/bubelivuli.pdf In PDF document text
- http://fqcycpa.com/jingkelun/userfiles/files/20210915173135.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404bf62338f---83626083772.pdfIn PDF document text
- http://facyt.com.ar/ckfinder/userfiles/files/52774940767.pdfIn PDF document text
- http://www.niziointerior.pl/upload/file/54014189344.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16140b95da8e06---21643898897.pdfIn PDF document text
- https://muguet.fr/sites/default/files/file/10811090864.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/57967268981.pdfIn PDF document text
- https://4of100churchstreet.com/assets/media/files/97097451288.pdfIn PDF document text
- https://trompis-tondschungel.de/userfiles/file/12303479117.pdfIn PDF document text
- https://funcarele.com/ckfinder/userfiles/files/8775612704.pdfIn PDF document text
- http://skalamatbaa.com/userfiles/file/zowip.pdfIn PDF document text
- http://rasciindia.com/firetech/ckupload/files/47986901335.pdfIn PDF document text
- https://baoholaodong24.baohohoanglong.com/userfiles/file/21661152304.pdfIn PDF document text
- http://vigova.vn/Images_upload/files/visiruwamokigitofulokux.pdfIn PDF document text
- http://www.gonouvellezelande.com/files/22561945221.pdfIn PDF document text
- http://www.mecateengenharia.com.br/ckfinder/userfiles/files/bukizimaxobomudowijek.pdfIn PDF document text
- https://hgqq.hk/tony/churchofgod/ckfinder/userfiles/files/dofesirapotew.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/3b765nfb3orrhhovh0k4nopuff/pomuxililobolisu.pdfIn PDF document text
- http://ckudzcssffhhj.handysociality.com/upload/files/2408599085.pdfIn PDF document text
- http://185.33.116.145/~acus01/upload/files/kutulawojafuruzukizi.pdfPDF link annotation
- http://vietsaovang.com/uploads/userfiles/file/zubebodofuz.pdfIn PDF document text
- http://woodlandhills.ilovepokebar.com/uploads/files/8127726918.pdfIn PDF document text
- http://beiks.info/public/file/lejeke.pdfIn PDF document text
- http://namadagaskare.ru/ckfinder/userfiles/files/gexibezagubazakelavez.pdfIn PDF document text
- https://kipass.fr/userfiles/file/pirukonulowoxebi.pdfIn PDF document text
- http://cdwy028.com/uploadfile/file/20210903073714.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=genshin+impact+50+primogemsPDF 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_off0000b6c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ced6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCED6 | 16432 bytes |
SHA-256: 15837d6050fc7a784c80b7c1b7eaaf99890dc70299915deacd702ace41aff46d |
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font_02_sfnt_off0000f866.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF866 | 11072 bytes |
SHA-256: 4712d3c79ccc7a0cc015b2fe7bee14983b3659b357aa8cb870f9234bf2d19f5e |
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