MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to domains associated with compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure users to malicious sites for phishing or further infection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 http://fullerton.kopanramen.com/uploads/files/mixarinikudupalixadumer.pdf In PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/16139c3abef6c8---18806508298.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6ae423a82---mizujif.pdfIn PDF document text
- http://cloverdiamond.com/file/95205246773.pdfIn PDF document text
- http://ohxto.com/uploaded_files/userfiles/files/51651203914.pdfIn PDF document text
- http://jkbprivateiti.com/userfiles/file/57843635726.pdfIn PDF document text
- https://tradegateindia.com/userfiles/file/tuxarufikanavimugesokutes.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/914287f9e4a55030098d52af12a33745/10784088406.pdfIn PDF document text
- http://kht.civilkozpont.hu/uploads/file/21396973799.pdfIn PDF document text
- http://webminmax.com/userfiles/file/50863107653.pdfIn PDF document text
- http://ghibms.com/userfiles/files/likurux.pdfIn PDF document text
- http://scandirent-new.ru/uploads/assets/file/kawetedupoloneminuri.pdfIn PDF document text
- http://samocvet.org/foto/ck/files/dovujimijafirivunikuban.pdfIn PDF document text
- http://fmi.lu/userfiles/files/45962888162.pdfIn PDF document text
- http://pharmabiosolutions.com/filespath/files/20210919150015.pdfIn PDF document text
- https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/46824237866.pdfIn PDF document text
- https://minhvuongthuphap.com/upload/ck/files/dexenatujuxulefiludowe.pdfIn PDF document text
- http://taxfreepoint.com/file/38982533908.pdfIn PDF document text
- https://maturana.cl/upload/file/dapolel.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/p83ojn7tv3970cphq5qprh2uuu/fuzokiwujop.pdfIn PDF document text
- https://elmawadah.com/userfiles/file/mewedunididejazonuxozibuf.pdfIn PDF document text
- http://szsahsh.com/uploads/files/44725145363.pdfIn PDF document text
- http://lsneotek.com/ckupload/files/58770910720.pdfIn PDF document text
- http://pagyesa.org/userfiles/file/20210911123812.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+set+up+android+home+screenPDF link annotation
- 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_off0000e2e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2E9 | 17920 bytes |
SHA-256: 45d9ec14ce6016621d8a8b026406ad8a4f29783be96959a55d6c5b783a25b718 |
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font_01_sfnt_off0001112f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1112F | 10912 bytes |
SHA-256: 3501be197af21af0f1352812fb782b176f568c389e6e1d1b5ea60f995f6aa58b |
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font_02_sfnt_off00012a4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A4B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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