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 a machine learning classifier and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs that point to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The file's structure and URL patterns are consistent with common phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://philabc.ru/uplcv?utm_term=r+amino+acid+one+letter+code
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/hc6nfoh69i9rftgkbmudfpmklk/busodewilarurusosutan.pdf
- http://backyardreleaf.ca/clients/6/6a/6a4eaaf8452764cb6fc14c9064ed0c71/File/tifufanebudagikakiwolu.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/904b849bfc18995c38e27c4ba2bf5add/11302859441.pdf
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/r05jqhnvipoal4n9cn7hqj5mn1/56196057638.pdf
- https://glycocalyx.nl/userfiles/image/file/polodafevupogesisegorawun.pdf
- https://marljivo.hr/userfiles/file/lagosometiwelejetogabal.pdf
- http://scamps.biz/userfiles/file/vamuzinorimikigasamuzoti.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160742ac40b491---vojubejagibikiwufagonuxuz.pdf
- https://tsydesign.com/userfiles/jws/files/mabatuselofubikujowawowi.pdf
- http://mondoacquapiscine.com/userfiles/files/46003635841.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/986884bc07763b001d16af7ba4516a19/zonawokewotesakewesolene.pdf
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/iugubp78uve9uckk2roe9e4015/17455678182.pdf
- http://ytlcases.com/userfiles/file/bibifisemaz.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160868641285b8---68596467947.pdf
- http://sakaryakasaplarodasi.org/userfiles/file/tamipogatogokuderas.pdf
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/e0a9f19edca09eb5199818177029b9d0/14515548095.pdf
- https://demetraproject.eu/ckfinder/userfiles/files/64159785291.pdf
- http://boekenwinkelindex.nl/images/uploads/67192289496.pdf
- http://adaviestransportltd.com/userfiles/file/zejojidefajajerope.pdf
- https://adepotcustom.com/UploadFiles/file/20210623084506191.pdf
- https://mimpiindah1.com/contents//files/26596479069.pdf
- http://d4svancouver.com/clients/c/c8/c8601140a4283eb9b700f388a83987a3/File/62769364983.pdf
- http://fogathajtohirek.hu/fckfiles/file/juxujudeluxinejovilo.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9b5fa3fc1---30802862389.pdf
- http://global-insurance-broker.de/downloads/52264054936.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_off0000ead4.bine429deff869f763081b9de279a6e305e8e75c1f7444fe146e7436cce6d14fa72 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAD4 | 17380 bytes |
font_01_sfnt_off00011838.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11838 | 16792 bytes |
font_02_sfnt_off0001304f.bin38c86e1ba749cdd905523294ddba39c6ec19006b8b1bfeeb216931657ee60942 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1304F | 10408 bytes |
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