MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs that form a link farm, pointing to potentially compromised WordPress sites and disposable domains. The presence of these links suggests an attempt to redirect users to malicious content or phishing pages, aligning with a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://pixomot.ru/uplcv?utm_term=photos+from+android+to+mac PDF link annotation
- http://fasson.vip/images/editor/files/neposufuv.pdfIn PDF document text
- http://www.centralperdana.com/file/7435994690.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ce31b6e82---wiwakunamogi.pdfIn PDF document text
- http://d2dgroup.net/upload/files/siravesewazotikinojuzapos.pdfIn PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/lofotikajeputavadafamuto.pdfIn PDF document text
- http://shrlie.com/upload_fck/file/2021-9-12/20210912215758316819.pdfIn PDF document text
- http://sbsedupatti.com/sbsedupatti/userfiles/file/dokodojexuzib.pdfIn PDF document text
- http://www.oomedia.com.tw/ckfinder/userfiles/files/32566309059.pdfIn PDF document text
- https://km2804.com/ckupload/files/91820216294.pdfIn PDF document text
- http://bzws.zhanyougame.com/ckfinder/userfiles/files/25637142092.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/161357650d5b66---jebuwuxapikezidu.pdfIn PDF document text
- https://drinkpoint.com/uploads/files/filizowis.pdfIn PDF document text
- http://musicpark-live.com/userfiles/file/jaguwevopiwiwofaz.pdfIn PDF document text
- https://kvzriu.org/images/file/84652740816.pdfIn PDF document text
- http://thietbiytedaibao.com/media/files/favudewezobi.pdfIn PDF document text
- https://get-insurance.in/ckfinder/userfiles/files/fokisujemotegebir.pdfIn PDF document text
- http://debsecond.net/UserFiles/File/kasituravutino.pdfIn PDF document text
- https://hatinhjobs.com/upload/files/72105040912.pdfIn PDF document text
- https://hiroyoung.com/data/files/nogemoj.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/vukabadore.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb163cee9c---21702810226.pdfIn PDF document text
- http://connect-event.fr/ckfinder/userfiles/files/279370313.pdfIn PDF document text
- http://image.dlib.vn/libedu/news/bachviet/20210910/file/36767138626.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_off0000db57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB57 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f369.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF369 | 18640 bytes |
SHA-256: 6878833532089a2aaf0563b60dd62ae9174b8a50247a1611229e90aca44ade3b |
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font_02_sfnt_off0001239b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1239B | 10564 bytes |
SHA-256: fe7a7ab1278964562811d28e247cac03e42e0b08919021794b701ff193622eb5 |
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