MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a phishing trojan by ClamAV and flagged by an ML classifier. Heuristics indicate it functions as a link farm, directing users to compromised CMS uploads and disposable hosting sites, likely for phishing purposes. The embedded URLs, such as 'https://infrive.ru/uplcv?utm_term=fishing+and+life+mod+apk', are indicative of this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://infrive.ru/uplcv?utm_term=fishing+and+life+mod+apk PDF link annotation
- https://aprilboya.com/userfiles/file/pedekinerixamatakazi.pdfIn PDF document text
- http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613da58c4863c---wevijosedozotila.pdfIn PDF document text
- http://sipsak.nl/userfiles/file/39399019308.pdfIn PDF document text
- http://kochamsushi.pl/UserFiles/file/3303510735.pdfIn PDF document text
- https://comtraining.cl/userfiles/files/barisiwuposuwunedapuli.pdfIn PDF document text
- https://hippodrome-compiegne.fr/www/uploads/file/63348134636.pdfIn PDF document text
- https://floridainvestment.cz/files/file/zuzaxowapidulid.pdfIn PDF document text
- http://purepassion.pl/userfiles/file/texefame.pdfIn PDF document text
- http://www.serenissimaservizi.com/files/67355539163.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141162fb4219---83066618582.pdfIn PDF document text
- http://xetaihyundai.net/upload/files/82079595728.pdfIn PDF document text
- https://toolsatool.com/userfiles/files/73826985534.pdfIn PDF document text
- https://ms01bet.net/contents/files/91737269618.pdfIn PDF document text
- https://fengshan-zhennangong.org/upload/ckfinder/files/sovizejobadelugunegeva.pdfIn PDF document text
- http://mindentudor.hu/userfiles/file/2475785586.pdfIn PDF document text
- https://chiataiec.com/userfiles/Proj_Name/files/gugufi.pdfIn PDF document text
- https://bancodevida.com/bancodevida/admin/images/image/file/50967643853.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/b843beea199765d731444428f5601efe/rililikusamajibinuzav.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b7f14d969---39351769647.pdfIn PDF document text
- https://zagorjeadventureteam.hr/files/zagosodope.pdfIn PDF document text
- https://cremyco.com/app/webroot/docs/file/vabimaja.pdfIn PDF document text
- http://dtyxbpzx.com/filespath/files/20210917163852.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_off0000b6ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6EA | 15928 bytes |
SHA-256: 2f8a195eada424e59bf2b93a7b44f4e9e983855d7221794fd6b97d26cfe1b3c4 |
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font_01_sfnt_off0000df99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF99 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f7b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B0 | 10816 bytes |
SHA-256: 797a3a40d9a1fa14d25de28b6aaf6e87582ea116b373673f3a5d2a03a1bd57a5 |
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