MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, specifically flagged as a phishing trojan. It functions as a link farm, containing numerous URLs that point to external websites. Several of these URLs are hosted on compromised CMS upload directories, indicating a potential distribution point for malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://www.idd.no/ckfinder/userfiles/files/minorelikibiludufuniw.pdf In PDF document text
- https://wodepcb.cn/uploadfiles/files/beromuzalafufigoriw.pdfIn PDF document text
- https://ebooksweb.net/files/file/bolidowa.pdfIn PDF document text
- http://interstroy96.ru/uploads/files/84862314703.pdfIn PDF document text
- http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rivotejugonuzetaretubita.pdfIn PDF document text
- https://campermagazine.tv/public/file/tukuvalowawemetimunu.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/4f8a915c5293fc65fee485a12e8b689e/86269971980.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/kokul.pdfIn PDF document text
- https://samarpanbharat.org/trila/userfiles/file/54953263984.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609c66caea306---66802580667.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/2cp4bl8fpar39u034b3oi0td4c/75527070294.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/llbph9unl9qrkovj7i1lq7fljk/wekarosevozixetewobus.pdfIn PDF document text
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/5hgt0u5j08lp77a0j7b84jqn2e/9754188172.pdfIn PDF document text
- http://asea-admin.com/_userfiles/file/20210507113215.pdfIn PDF document text
- http://ckrestaurantgroup.com/ckfinder/userfiles/files/bajufon.pdfIn PDF document text
- http://pokeocncafe.com/uploads/files/2023713001.pdfIn PDF document text
- http://charivne.info/images/file/97085948627.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/88e58bc962446a4b3ad6a35ceab4de20/25100453829.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/5n1nbu46fm6c8v6otj3sacgjp9/26463469188.pdfIn PDF document text
- http://htwy.com/upload/file/36400953353.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/5c7f5e1cd887e7d46fbf03b5fdd736c9/xijirotibamawokawokize.pdfIn PDF document text
- http://bulmarconsult.com/files/37823774337.pdfIn PDF document text
- http://gocchame.vn/app/webroot/img/uploads/files/92076775074.pdfIn PDF document text
- http://ipea.kr/userData/board/file/49792979975.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=biological+importance+of+nucleic+acid+slidesharePDF 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_off0000f01c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF01C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010833.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10833 | 11220 bytes |
SHA-256: 697f23d32137d74f2e4e06dd7412c0f9528fcd3a20df40e367c32439b8d1091c |
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font_02_sfnt_off0001221c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1221C | 16696 bytes |
SHA-256: 8f5ee01d5d0638ea8c9b1915b2879e1086c26c47833df05988733b080eb1f1cf |
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