MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload storage, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of external URI heuristics and the 'PDF_SEO_DISPOSABLE_LINK_FARM' rule further support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://nomylo.ru/uplcv?utm_term=harry+potter+and+the+philosopher%27s+stone+full+movie+on+123movies PDF link annotation
- https://hojoairport.com/images/file/30241884358.pdfIn PDF document text
- https://sgcaregiver.org/contents/files/55146198535.pdfIn PDF document text
- https://auto-rujo.com/images-editor/file/79594920569.pdfIn PDF document text
- https://fratellifurloni.it/file/74253072028.pdfIn PDF document text
- https://schmitz.cz/res/file/bapuzadofabebudivumekit.pdfIn PDF document text
- http://skupka23.ru/upload/m/68830701885.pdfIn PDF document text
- https://twinslock.com/locktactyuma/userfiles/file/59987600750.pdfIn PDF document text
- https://webmenuplus.com/images/file/vegesuxudarulesupuniduba.pdfIn PDF document text
- http://cmtoolsrental.com/user_img/files/42886373368.pdfIn PDF document text
- http://lesen-und-schenken.de/userfiles/files/74756481504.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc76eb316f---xasojotixasus.pdfIn PDF document text
- https://giridhareye.org/ckfinder/userfiles/files/dumewifemugukig.pdfIn PDF document text
- https://marljivo.hr/UserFiles/files/47819495895.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/qetcp6d4vungqgr04ar0v77kvt/31271397821.pdfIn PDF document text
- https://elger.cz/fckphotos/file/49208866968.pdfIn PDF document text
- http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/rowirisutilowepitupo.pdfIn PDF document text
- https://apz-arte.com/ckfinder/userfiles/files/fubolureremari.pdfIn PDF document text
- http://telegid.tv/userfiles/files/kipeterewide.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/161316b2492f2b---37097027361.pdfIn PDF document text
- https://www.cdsale.org.au/application/third_party/ckfinder/userfiles/files/vimoxixadeterowi.pdfIn PDF document text
- https://weilmclainboiler.ca/fck_upload/file/zowufetojagumiwibudami.pdfIn PDF document text
- http://hasanmasat.com/ckfinder/userfiles/files/losugatutenopokejuleju.pdfIn PDF document text
- https://xetnghiemadndanang.com/upload/userfiles/files/nupaduxu.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_off0000c9ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9AB | 11412 bytes |
SHA-256: 3b48d51da5695838bf5fd7da1794e5e97d15cdd58607c20d5eb82565cea78bae |
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font_01_sfnt_off0000e48d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE48D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC9F | 17704 bytes |
SHA-256: b18d913cd1936357e3769aa5d01e61538ee9e1064360b86b078c93fbf6a951d4 |
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