MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links to external sites, many of which host other PDFs, suggesting a link farm designed to distribute malicious content. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass security filters. The ClamAV detection further confirms its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://coretry.ru/uplcv?utm_term=recover+data+from+locked+android+phone+with+broken+screen
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/302d876a62f6c560505d9b321d7fbb1c/79205385620.pdf
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/gcpitaen9b0dcfris2vp9kljf2/rusanasijolegosurap.pdf
- http://trendybiz.in/usersfiles/file/14260570483.pdf
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b92566627---wanosutudesegepon.pdf
- http://bassbasement.org/userfiles/file/poxurat.pdf
- http://el-master.ru/userfiles/file/jakeriwididutorakusufirij.pdf
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d53e8ec40e4cdc393d256dc0a048abac/97463221028.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160e0ba4a94713---58354438174.pdf
- http://haniltm.kr/upfiles/editor/files/gajukatasavewadujuj.pdf
- https://robert-zauer.cz/userfiles/file/vexilo.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160dcea3ae954f---majazakud.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16079f09d26191---wusilovama.pdf
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/hv3b7i7ev35qrmhv1spn3e7bdp/salogujepetukedezasa.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6546700e39---fomesazep.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e8a5e6874e---62583805912.pdf
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/bbb835c7e4aff9a0a857aff7e4d65720/weruvuna.pdf
- https://elearning-chemistry.ro/userfiles/file/wenupubijanofanefesari.pdf
- https://cambodiadriverservice.com/userfiles/file/ruwosadoxofezoteka.pdf
- http://lungtransplantopen.com/clients/d/de/de7cc03d42bda6b8b84c8ac9728529bb/File/lufed.pdf
- http://apartamentosalbatros.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ae5bbef7c---dozagibobidapulawen.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0a10bab95---89517153463.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_off0000f2a6.binfb25aa149ae88f96248acab836a22a5b29af17005227918727c5f4219e3dc094 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2A6 | 11316 bytes |
font_01_sfnt_off00010cdd.bin76caac95c08991d91463bd6fbc1325276f865ffb1aba4aa70e9bd5726832a143 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CDD | 16616 bytes |
font_02_sfnt_off000137e9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137E9 | 16792 bytes |
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