MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of `utm_term` parameters in some URLs further supports a phishing or spamming campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://queure.ru/uplcv?utm_term=aplikasi+untuk+mengembalikan+file+yang+terhapus+di+hp+android PDF link annotation
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc0ec3f2e0---sojozavodajiduzoboxegusiw.pdfIn PDF document text
- https://eminencesolutions.in/resources/userfiles/file/9823479563.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/4081587697.pdfIn PDF document text
- http://sushistoryus.com/uploads/files/20107682460.pdfIn PDF document text
- http://rockbond-aac.com/id-admin/fckImages/file/7448255699.pdfIn PDF document text
- http://spineportal.de/files/file/fosaranetezu.pdfIn PDF document text
- https://rajatotogroup4.com/contents/files/37535366691.pdfIn PDF document text
- http://elma-itc.ru/!upload/files/gilotuvikenaluzukotuva.pdfIn PDF document text
- http://abimobiliare.pl/pliki/File/wijodaxetezadiboluboxadu.pdfIn PDF document text
- https://stpatswatertown.org/ckfinder/userfiles/files/97138648185.pdfIn PDF document text
- http://e-sheremet.com/img/90118024145.pdfIn PDF document text
- http://manuale.aziendasulweb.it/userfiles/files/94611230758.pdfIn PDF document text
- https://evpersoneli.net/ev-personeli/file/17211073857.pdfIn PDF document text
- https://fivetc.vn/uploads/files/vakipizijajirokidif.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161464d644d46e---pemomikuzigotidagunefizav.pdfIn PDF document text
- http://kamennykoberec.eu/editor_uploads/system/files/74607706788.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e4a441a617---16145152155.pdfIn PDF document text
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f58021dd41---zamazixotapefubavaxawalij.pdfIn PDF document text
- https://linhquan-group.com/upload/ck/files/gubodemalemovubazak.pdfIn PDF document text
- https://ceylinpin.com/calisma2/files/uploads/43203922074.pdfIn PDF document text
- http://avvocato-callegaro.it/public/file/91007745742.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b0d06ee367---zotok.pdfIn PDF document text
- http://tuyothuyluc.vn/webroot/img/files/rezegelab.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/64b59cfa0135cdb6341774bccaf4a004/buzigugimuxitajupozugama.pdfIn PDF document text
- http://glamour-nsk.ru/ckfinder/userfiles/files/tivobitupiledobonanoma.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_off0000ee2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE2B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001063d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1063D | 16720 bytes |
SHA-256: 549268204af7b040dd6cc287e8bd9f20bbafabe2a38f33e1c6f9f7116ef56a80 |
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font_02_sfnt_off000131d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131D7 | 11372 bytes |
SHA-256: a7bc156f15cd6637093833eb122a720eeaee24f5080a5ce97f78ede22a424d47 |
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