MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious. It contains a large number of external URIs and link farm patterns, indicating an attempt to redirect users to potentially harmful websites. The presence of multiple compromised CMS upload links further suggests a malicious intent to host or distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 https://krisoc.ru/uplcv?utm_term=watch+hercules+online+123 PDF link annotation
- http://omonetach.pl/foto/ilustracje/file/89269947618.pdfIn PDF document text
- http://marta-galan.com/files/varios/file/wujekazuvekupirunudota.pdfIn PDF document text
- https://crownprolaw.com/userfiles/Proj_Name/files/vujedizaxikelatew.pdfIn PDF document text
- http://pooq-design.com/app/webroot/fckfiles/file/ladejuzolaligu.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/16135a624cf89a---9296039862.pdfIn PDF document text
- https://restavracia02.com/userfiles/file/37939071281.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/cn5d4q18hi5mco1od53qs8m19p/jifonatuxixam.pdfIn PDF document text
- http://studiosaletta.it/userfiles/files/74838364630.pdfIn PDF document text
- http://bangladeshceramicsociety.com/uploads/editor/files/94820048857.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a10b764aa5---ripopawilaragifaridu.pdfIn PDF document text
- https://sassanoproperties.com/FCKeditor/file/wojitusemawupedimuwepo.pdfIn PDF document text
- https://sdudyogtechnologies.in/ckfinder/userfiles/files/88553141110.pdfIn PDF document text
- https://millvalley.com/wysiwygfiles/file/maxufebegabaja.pdfIn PDF document text
- http://cana.vn/uploads/userfiles/file/69342344029.pdfIn PDF document text
- http://carzip.biz/files/uploads/files/doditog.pdfIn PDF document text
- https://ibericadearmerias.com/file/gijajafafuratifekegev.pdfIn PDF document text
- http://vdi.vn/userfiles/file/koxepizuda.pdfIn PDF document text
- http://jinyezi.cn/upload/1827406259.pdfIn PDF document text
- http://neteyes.eu/editor_up/biwez.pdfIn PDF document text
- http://orvosvalaszto.hu/uploads/files/vufapexa.pdfIn PDF document text
- http://zjleiou.com/images/upload/File/34401420421.pdfIn PDF document text
- https://dacola.com/upload/files/90538244148.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1613044f4b77c7---23524539571.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_off0000d629.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD629 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE40 | 10764 bytes |
SHA-256: a38b03a8546f7640877145619208bf1b759babb0aee96d7e17374abf39c441ad |
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font_02_sfnt_off00010721.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10721 | 17844 bytes |
SHA-256: a2c420458324f46377f91c8731d6b725c4073f06c16e17bd23c09e0767d48645 |
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