MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The embedded URLs, such as 'https://cructi.ru/uplcv?utm_term=traffic+racer+hack+app+download', suggest a lure related to hacking or downloading applications, likely to facilitate further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://cructi.ru/uplcv?utm_term=traffic+racer+hack+app+download PDF link annotation
- http://bright-inter.com/file_media/file_image/file/31275609685.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/a86b713ff07870ca86757d8a42e2cb61/46726480365.pdfIn PDF document text
- http://husplaza.hu/editor_up/nulizuvidowalowuri.pdfIn PDF document text
- http://6nergy.fr/6nergy/sites/default/user/file/renax.pdfIn PDF document text
- https://valubil.com/public/uploads/cms_file/cms_files/33402926542.pdfIn PDF document text
- http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/2614040555.pdfIn PDF document text
- http://aurastaffing.es/upload/file/juridolejubutarikebirakuz.pdfIn PDF document text
- http://cuacuongiare.vn/upload/files/pisuvogofigekebeku.pdfIn PDF document text
- http://zhatuogz.com/uploadfile/file/folewodudax.pdfIn PDF document text
- http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/bexuma.pdfIn PDF document text
- http://thangmayedex.com/webroot/img/files/widabodulirug.pdfIn PDF document text
- https://sanipacific.com/attachment/file/85359516668.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/psvhvn0jvbacqgd6oto0s4smbr/13099628710.pdfIn PDF document text
- http://allefrgycg.news-read.com/upload/files/21560772283.pdfIn PDF document text
- http://thegioituigiay.net/uploads/files/ziputikonofedizilu.pdfIn PDF document text
- http://parikshitconstruction.com/uploads/tozetigawuz.pdfIn PDF document text
- https://perfectprojects.ro/userfiles/file/71251092991.pdfIn PDF document text
- https://sluganarodu.org/userfiles/files/56957891097.pdfIn PDF document text
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/nisiferozavofemiligug.pdfIn PDF document text
- https://cartolmania.it/file/sedilebok.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/davixadiruj.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/l79548qhdijnfb9mqnkre6sb2m/xepepenexafewot.pdfIn PDF document text
- https://www.willmarareachamber.com/ckfinder/userfiles/files/nufosaxobazubuvitin.pdfIn PDF document text
- 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_off0000e288.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE288 | 10592 bytes |
SHA-256: a530d63fad955fd710304b927ad93cff910e98b003479c0d97ca70e27946147d |
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font_01_sfnt_off0000faae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAAE | 17988 bytes |
SHA-256: f8bac870b421689e3683ff6ba8b7f28130b54b4ebd5a43f34d3de46b094eda70 |
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font_02_sfnt_off0001291d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1291D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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