MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to compromised websites, likely serving as a distribution point for further malware or phishing content. The presence of multiple links on disposable hosting and compromised CMS uploads suggests a coordinated effort to host malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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 http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/c0f31fa3f75f8e18c8f08b56f9be6f63/38962048724.pdf In PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16074b72d13df6---62484498575.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/82980100435.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c15c77cc7ee---61989321626.pdfIn PDF document text
- https://maychieuvinh.vn/upload/files/81425628244.pdfIn PDF document text
- http://rlponder.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/55932230859.pdfIn PDF document text
- https://dacinsara.ro/fckfiles/file/66378074902.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160961ff1b1e80---gugomunenoke.pdfIn PDF document text
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099d66283de7---roxevasupipinajiler.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160abf3e80bff0---55768880085.pdfIn PDF document text
- https://sayurhijau.com/contents//files/logekavuvunabofe.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16086c39f4f7c9---nomukinatujuwazo.pdfIn PDF document text
- https://guruamardaspublicschool.com/userfiles/files/vogitiji.pdfIn PDF document text
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/42fd7da0d97a40818fe0333e1ab1f716/82555646100.pdfIn PDF document text
- http://beccaro.it/userfiles/files/63279073444.pdfIn PDF document text
- http://petersonhigh.com/clients/33446/File/vasiz.pdfIn PDF document text
- http://eastwoodfamily.net/userimages/20004896315.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aec524dbe38---3962513587.pdfIn PDF document text
- http://isgsrl.it/images/file/39356743025.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607972cab17b9---20190165513.pdfIn PDF document text
- https://realxenon.ru/uploads/files/5703988185.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/nq9nir07ad027mm3d4a61br923/dekuferifafixasoxizugowug.pdfIn PDF document text
- https://bouwservicewinthagen.nl/userfiles/image/file/6482401368.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/546d4f35fbf95075c2a8bfeae95456c7/47235992155.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=romeo+and+juliet+act+2+scene+1+monologuePDF 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_off0001e232.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E232 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001fa49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FA49 | 11060 bytes |
SHA-256: 247bcc1621d860d364293fb0ab3af6abd6ed7a23b38480b934ebb9f0b592d70d |
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font_02_sfnt_off000213da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x213DA | 19708 bytes |
SHA-256: 4fb82c5db784d40c18902eb7821ea9bdf66cd7b102173853852592ad715fc4d4 |
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