MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains a link farm pointing to multiple compromised WordPress sites and other domains, suggesting it's designed to redirect users to malicious content. The presence of numerous external URIs and a link farm structure strongly indicates a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://guruamardaspublicschool.com/userfiles/files/9097068783.pdf In PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c43d1ccfe1c---33262390992.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/477215169e620156fa3877fb228d0330/45790466920.pdfIn PDF document text
- https://homestayhoian.vn/uploads/image/files/vakatalirutoxogutega.pdfIn PDF document text
- https://www.nvsrolko.org/ckfinder/userfiles/files/6196427893.pdfIn PDF document text
- http://chinasoftcore.com/userfiles/file///sisapawifetuje.pdfIn PDF document text
- http://alexanderkanevskyartistbiography.com/clientMedia/file/78608584042.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/84sr46ad5huf1r8gsq5omt9jtg/nalumisiduxisepuzet.pdfIn PDF document text
- https://knurussian.kr/DATA/upload/files/202108200545064312.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a2fa0cd9b1f---paperumawisimodofufu.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611cdbd83edbf---87918984093.pdfIn PDF document text
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba79b22e37c---wipaxifif.pdfIn PDF document text
- http://unesco-mediain.cz/fckfiles/file/vividar.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9267fad6c0---64757568198.pdfIn PDF document text
- https://trieurodata.ro/images/file/kabejatiziligezu.pdfIn PDF document text
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/8e2d6492d3a1056e0458e86e9624d7a6/29803675138.pdfIn PDF document text
- http://sushigonewildtogo.com/uploads/files/9676659402.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16087a5bcefdae---93167767435.pdfIn PDF document text
- http://dzbnf.com/upload/file///zulubonuvakure.pdfIn PDF document text
- http://www.bluewhaleline.com/image/upload/File/zomumekuso.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1612ceb793bae6---47382701089.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/9828b925716eb8fe1335261d46c6c8ce/64745056996.pdfIn PDF document text
- https://digitaldaya.com/imagenes/file/mekobuxuvekegepekijaga.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100e01d022d0---40145595252.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4d7d2107f---jefawegarasavulujage.pdfIn PDF document text
- https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/o83mnkt7uq5kjm5v5ko284c9jf/86884888643.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=pdf+creator+app+for+windows+10PDF 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_off0000e428.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE428 | 17652 bytes |
SHA-256: c7b2b8e638f5565ff3da8850363a6c90ee5025f709eb25964dbe941f232ee06b |
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font_01_sfnt_off000111d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111D0 | 10828 bytes |
SHA-256: aa89e2128691a46c0f3bd58ece1ea00ea02c1760c5ee50161229f72dfcc28fa0 |
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font_02_sfnt_off00012b0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B0A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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