MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as a malicious PDF by multiple heuristics and a machine learning classifier. It contains numerous external links, many pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the PDF structure indicate an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://coretry.ru/uplcv?utm_term=nursing+capstone+project+proposal+example
- http://massintech.ru/img/outer/files/ketubirakiwinidonobidas.pdf
- https://dianthusindustrial.com/resimler/files/wijokavudixuv.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8161990d2---71373013595.pdf
- http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076e1a83240e---zenutivavijewazivaj.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3648d3aca---96253221558.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1281c57ba---23248915504.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/7d9da22467e6ab9dea4d38291f0a4687/96673680567.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095fc954b7ab---91196359101.pdf
- http://ajivikafinance.com/userfiles/file/23392025151.pdf
- https://termofriz.rs//files/43768875837.pdf
- http://triatlonbizuterie.cz/sites/default/files/file/pizevifupisugovubadipuza.pdf
- http://brezov-gaj.si/uporabnik/file/jamolaximipus.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d816d7623---xabinaxijujejesusoze.pdf
- http://lacasedescaraibes.fr/file/kamowabedodi.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/tqoaafhp5h2hs12ianfakgi6mh/39562494018.pdf
- https://daxitrip.com/basefile/daxitripcom/files/78708840210.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a5878f1d5e6---72270899652.pdf
- http://nexxosrealty.com/userfiles/files/mobif.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/217f1375ea7e0c3ff191a314bc3ea7f5/japapubiwam.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb622a1614d---78580096057.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae0aca88d4---71483120800.pdf
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a503748996a---72298302819.pdf
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608146fb0c43b---nolowagepavu.pdf
- http://lycee-elm.org/userfiles/file/nepajovifonu.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_off0000fad1.bin6117ef252f436489ec7baec0b7cc1ee7eec26b9d65401ae7d612fa9efdcf3c84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAD1 | 11024 bytes |
font_01_sfnt_off00011476.binc78804a81e595f2815553d4223017edf009f3d2ee00bec8ecce0dc10c94b426b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11476 | 16840 bytes |
font_02_sfnt_off00014035.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14035 | 16792 bytes |
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