MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as a malicious phishing trojan. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting it functions as a link farm to lure users to malicious content. The presence of these links and the overall detection indicate a phishing attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://ventensis.lt/public/ckfinder/userfiles/files/nikolikawejewow.pdf In PDF document text
- http://www.culturehousesun.org/photos/file/71426397373.pdfIn PDF document text
- http://the-bom.kr/upfile/files/92111161381.pdfIn PDF document text
- https://ecohort.biz/userfiles/files/nujuxupedubotosesef.pdfIn PDF document text
- http://d2dgroup.net/upload/files/21205871485.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161352de90c6b2---jinafe.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614324e03aebf---pefonubeseg.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140c3e281b23---6790885937.pdfIn PDF document text
- http://yildizteknikelektrik.net/resimler/files/xuvojerew.pdfIn PDF document text
- https://inprovit.com/ckfinder/userfiles/files/16706470755.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/6en1jt5pvv484tghd8aa8tci30/99712856203.pdfIn PDF document text
- http://pinzimoniofiumicino.eu/userfiles/files/zojopuzupo.pdfIn PDF document text
- http://rapet.hu/files/wekonegomukelobugaxib.pdfIn PDF document text
- http://citygclub.com/ckupload/files/leminexefagafujofeverumu.pdfIn PDF document text
- http://lesmashclub.com/imgUpload/files/71271672232.pdfIn PDF document text
- http://kimsanghun.com/upload/userfiles/file/2021972237409193.pdfIn PDF document text
- https://diedacorporation.net/freesiafiles/file/94387523272.pdfIn PDF document text
- http://pcccmiennam.com/media/ftp/file/tanikurukekojegiwusebo.pdfIn PDF document text
- http://riviera.az/userfiles/file/35089306612.pdfIn PDF document text
- http://classtool.info/upload/files/87330485393.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/rifelodapivo.pdfIn PDF document text
- http://tythb.com/uploadfile/files/62107479094.pdfIn PDF document text
- http://0851gay.org/userfiles/202109file/2021091417363370554.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=suddenlink2go+app+androidPDF 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_off0000ec32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC32 | 17180 bytes |
SHA-256: 00501da486cf0568af75c67080ed5cb8d05474d7fdb6a24efc4bd946676d8606 |
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font_01_sfnt_off00011882.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11882 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013099.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13099 | 10688 bytes |
SHA-256: db4a0192772831b75b014806a709ab2aa80a81d96e94fdffce211983e198b4db |
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