MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other domains, suggesting an attempt to redirect users to phishing or malware-hosting pages. The presence of multiple compromised CMS upload links further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160897c8d2b945---77472892722.pdf In PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/knvq4422srpk91kp6c9gpg7jhg/5396569154.pdfIn PDF document text
- http://krevue.cz/UserFiles/File/luzoropogapijipud.pdfIn PDF document text
- http://pajurioverslas.lt/ckfinder/userfiles/files/26372458777.pdfIn PDF document text
- http://vasset.bg/userfiles/file/66640406031.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/48984fd92ae62dfb0c5f499781410365/79218202397.pdfIn PDF document text
- http://ekotronic.eu/files/file/9177730963.pdfIn PDF document text
- http://sovaimm.it/userfiles/files/37440539669.pdfIn PDF document text
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/2550l3ifk3b467m8nvg8uqiqqg/turelulukodezudit.pdfIn PDF document text
- http://888chji.com/userfiles/files/37349206270.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/filipileka.pdfIn PDF document text
- http://scales-center.com/shop/fck_file/file/vagowokozeno.pdfIn PDF document text
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/8bb80c874df441653f71e5fc8d9626db/95370172383.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/3e307204c8fa392d5471f61aedaebee4/16432932360.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/8a182bf64cec13d85d966c7124267129/fotelisutajo.pdfIn PDF document text
- https://makenie.com/upload/files/pomovowoli.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/1mi2v7vc6tt94klg3154ctgle7/1604526904.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607e20aeed528---vikafefeduvuvumu.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/48326356640.pdfIn PDF document text
- https://www.nhabe.com.vn/ckfinder/userfiles/files/gigigixixasuvetamilobajo.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fdfc1e2288---sawojavenurizoronajomup.pdfIn PDF document text
- https://dietacud.eu/upload/file/tozerazopasokisopunik.pdfIn PDF document text
- https://renetravel.ro/images/files/83760166511.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/99b7894aad1e8e250d42aa5a4827f0b6/xadotepadid.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=super+mario+all+stars+%2B+super+mario+world+snes+romPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/4b223b801d5d00751405db1b327387af/13480810403.pdfIn PDF document text
- 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_off000100ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100EE | 17300 bytes |
SHA-256: 5ab467d322f314bc28123ba3208c66373ce5de0b690e07e5157755b0dac78c58 |
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font_01_sfnt_off00012e2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E2A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014641.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14641 | 10812 bytes |
SHA-256: 453813e25e8735d3161697a1645ff43bc9b5ff7b41474e61d137002876d1b129 |
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