MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a PDF link farm, with numerous URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and the classification as a 'Phishing.Trojan' strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://catamma.ru/uplcv?utm_term=mega+millions+lucky+numbers PDF link annotation
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/3qq367eogd8e6ohigib57pmj7u/33257721307.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/75a0ba1210290e9fe7864653ed2a5fb4/kejurusanu.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/adfee3f5fd49d344ae5c56641cdae27f/lakitifurazafigil.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160b80bae360af---66463467217.pdfIn PDF document text
- http://portalcom-b2b.es/img/user///file/_0367630001620607576.pdfIn PDF document text
- http://sheeld.org/clients/d/d0/d021426cee8527c21a172be12ef3d645/File/vodemut.pdfIn PDF document text
- http://galantemontagnana.it/ckfinder/userfiles/files/ratilegugubibafiluziz.pdfIn PDF document text
- http://xn--m1age8bh.xn--p1ai/files/file/lusifetejuxowi.pdfIn PDF document text
- https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/5d56d9df2827954248101d0bd1ed5030/98769692668.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/nujegajaguxogelokaj.pdfIn PDF document text
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/937a461fdbf67f10e6bc6877b437ea30/luvanur.pdfIn PDF document text
- https://majubesar.info/contents//files/14301272190.pdfIn PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/5c8f6c83c05dbc4cf65611cc48307f5d/51129249148.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607b51becdd43---93794805038.pdfIn PDF document text
- http://deborahkay.com/ckfinder/userfiles/files/59562719094.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160847a8cb0477---18218303072.pdfIn PDF document text
- https://ceccarbotosani.ro/userfiles/file/lamifup.pdfIn PDF document text
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/71bbdd101fc7c102b92408a89d76d5ec/jupirimomifepasona.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160876fce8f026---zigatiroladewawivi.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/621ed00776c20464638015656a715d17/dijinovufaw.pdfIn PDF document text
- http://albertopizzetti.it/userfiles/files/faxapoxefutebirikusalu.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/90545468472.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160805b3c4d2b7---70700462520.pdfIn PDF document text
- http://historia-bfured.hu/userfiles/file/99658353116.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160971b1c53b29---78521820090.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_off0000eca5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA5 | 17452 bytes |
SHA-256: e9602b2e9f309cdc44869a81e99b3e4b9e1743d29e7777f1e15a9247c5d81986 |
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font_01_sfnt_off00011a79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A79 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013290.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13290 | 10916 bytes |
SHA-256: 808ea57aa2653f31d42ede301d060b3f796010241b37254a5dfcbb913508688f |
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