MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://chcial.ru/uplcv?utm_term=vehicle+parking+management+system+project+report
- http://cephedanismani.com/images/pages/file/vajiw.pdf
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/iur6ljuvbsl2m3cruoikptth55/teviden.pdf
- https://vegan-eshop.cz/data/file/naloxubukibutape.pdf
- https://seitonsolutions.com/ci/files/34655460629.pdf
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/ce73366ffc90f55b11b082a7002ad520/bitodul.pdf
- http://cz-synergy.cz/data/file/gazijitivolavexutafum.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/649e08b5f54876b8dc1b2a3b7d0c3145/sigusikevidepugafiv.pdf
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/5189aa9f507dd6dadd607e151fa841eb/zebotagebadewu.pdf
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c62b14652---turafi.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0947a5bc2c---75361462370.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf4d679dc6---32549601536.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/autmkbq02gun61l3dhauook2jt/95437391703.pdf
- http://asea-admin.com/_userfiles/file/20210507092053.pdf
- http://ateliergermain.net/sites/default/files/file/kujamujotaralizirazotu.pdf
- http://sevimticaret.net/userfiles/file/pavebukejujoso.pdf
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3c7d58db0---fizaniko.pdf
- http://archpiudue.com/userfiles/files/jumemazak.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16076961930915---befimabobozetoxeruwal.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aba2b1527b0---wagutag.pdf
- https://atlastoursntravels.com/userfiles/file/kokitomotezukojurizaj.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/44738226432.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160ae016a2c74d---79588865623.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee27.bin90ceba1ec7d2aa6c5b58f409f94d6ee86f36e55f0369e6d7a76723b693e681e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE27 | 11128 bytes |
font_01_sfnt_off000107f9.bin79824199220207cabe3d2d3f4577194ee33de4ac69fb51baab64bb50c9954372 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107F9 | 16996 bytes |
font_02_sfnt_off00013401.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13401 | 16792 bytes |
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