MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious content. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple compromised CMS upload links indicates a pattern of hosting malicious files on seemingly legitimate but compromised websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/80b4pn0bbstrmim90b5fsgpth4/wipomozaxipo.pdf In PDF document text
- https://nisahanpin.com/calisma2/files/uploads/miderasu.pdfIn PDF document text
- http://pinedafoundation.org/imageuploads/file/nunabiguminixamufiwe.pdfIn PDF document text
- http://antoniolescio.net/userfiles/files/32170509808.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/c870d2072ced1ce9424a53da2e8a156f/4577444119.pdfIn PDF document text
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160760aff7810b---jawetenonabufokot.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609fc1bfb3d83---nodadedomogazewiwixomiko.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/efl06g5d7554j37fg3b292939j/roboxibuzosaduzexisetinot.pdfIn PDF document text
- http://countryroadssiberianhuskies.com/clients/e/e1/e1b2222506e4b6fd6c510396e08362d3/File/68440710107.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/9b63a3e212a925ce453833f8c9ebc4c3/lokozape.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/r9ovn361p2a1d15q72edprrbu2/64970474467.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607277d097d27---bijab.pdfIn PDF document text
- http://noospc.ru/SITE/files/editor/file/88912651633.pdfIn PDF document text
- http://dedanskecasinoer.dk/userfiles/file/mafawari.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/54gov0fv0glupcbh2uim9hqbgu/matekekawesikixijodej.pdfIn PDF document text
- http://tourhong.com/FileData/ckfinder/files/20210723_EDB49757BAF59F38.pdfIn PDF document text
- https://dewalt-naradi.cz/media/upload/editor/file/ponizewivodarokajazu.pdfIn PDF document text
- http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/18876979203.pdfIn PDF document text
- http://dataprint.ie/uploads/file/16177325122.pdfIn PDF document text
- http://stefani.cz/fck/file/sejetepetuza.pdfIn PDF document text
- http://kiuanai.com/userfiles/file/pimivukotanezadenaka.pdfIn PDF document text
- http://bearcatbb.com/CKEdit/upload/files/76979667976.pdfIn PDF document text
- http://evergladesharvesting.com/ckfinder/userfiles/files/revibefubewakoxegojikiv.pdfIn PDF document text
- http://aliguoriarchitetto.eu/userfiles/files/56573565252.pdfIn PDF document text
- http://arcomproltd.com/userfiles/file/7036201649.pdfIn PDF document text
- https://sieuthimaytinhcu.vn/upload/files/19728414790.pdfIn PDF document text
- https://yarpaket.ru/userfiles/file/28940839283.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=free+pdf+book+of+synonyms+and+antonymsPDF 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_off0000e11a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE11A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f92c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF92C | 17824 bytes |
SHA-256: 0c8a941d2478b6897935d9a48430c0755ecafbc9e045f29962da00d3071e47c9 |
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font_02_sfnt_off00012731.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12731 | 10844 bytes |
SHA-256: b22d61bcf680e9be720ca629589af01bb208645c71c02030457815c9a1a6bda2 |
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