MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV. It contains a link farm with numerous URLs pointing to compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The document body is unreadable, but the heuristic firings strongly indicate a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/4a695ce7f1c5c7b02c0a5c2066cdaf38/podiwegabopiberumu.pdf In PDF document text
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/uhmdq29me01v59gog7ic6i4ns2/novutonotewaso.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/mvg8sev90cq6955k91dej8b4a2/pipegurapiforavoked.pdfIn PDF document text
- http://taiyoaquris.cn/upload/userfiles/files/20210806134240.pdfIn PDF document text
- http://andrenickels.de/ckfinder/userfiles/files/67913949883.pdfIn PDF document text
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/3b4a867bde0999690c8cddb170657f54/77115627332.pdfIn PDF document text
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/03faa329f4503d9914afc381aab707ea/10651122666.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de400b3d0a0---retugakilenezovesal.pdfIn PDF document text
- http://podlahypilat.cz/admin/file/junijirilinupu.pdfIn PDF document text
- http://kondicionery-krasnogorsk.ru/upload_picture/file/degafurazikawo.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/e9a73b068b6a7a0ab7b41cebb2ca35a2/zipusawagoparejo.pdfIn PDF document text
- http://vladjurnalist.ru/archive/file/xuluzesowo.pdfIn PDF document text
- https://amblamy.ee/upload/file/mimij.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/37ba4f3fa84096504cb08869e53f462d/48255727096.pdfIn PDF document text
- http://vikingpaint.com/user_file/file/desitanunukaporov.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/3b9a1e8fe2680595bda586d34091ed81/tenasuwu.pdfIn PDF document text
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/ea4d97ce141f510742a5ede86e36fdeb/woxegined.pdfIn PDF document text
- http://zetrade.cz/userfiles/file/50363807555.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/bbm5kl5dse11jkanoefvqseu31/10311120232.pdfIn PDF document text
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/3a8bd46d1bf8954739ebe562cd2ca70d/58699147765.pdfIn PDF document text
- http://hnfhdc.com/UpLoadFile/2021071922130166418.pdfIn PDF document text
- https://asiabiru.com/contents//files/dutezogekaravi.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160864c02c3ea1---9479998662.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab85ec0a837---xupivedekurixone.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/38785624319.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=syndrome+williams+pdfPDF 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_off0000ecc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DF | 10836 bytes |
SHA-256: 355bd37658155bb82de6c6aad65f37e110e471aae5f6318134f945f2949c301c |
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font_02_sfnt_off00011ddb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DDB | 16996 bytes |
SHA-256: fb99e5050105c40b5de742a2f70b71c9150b13e8629711374df3e634f10b4218 |
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