MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and the nature of the URLs indicate it's likely used in a phishing campaign or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://ergakiland.ru/files/files/52021053529.pdf In PDF document text
- https://alsharqcc.com/userfiles/files/11133725485.pdfIn PDF document text
- https://hifi-markt.eu/kunden/kronhardt/ckfinder/userfiles/files/93936150232.pdfIn PDF document text
- https://eminencesolutions.in/resources/userfiles/file/39233480562.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/dqqtqp1up86pivnf2v73dp75rj/50637262400.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/3c07440hd7mkg6pvba9265o6j4/joxugadokirajokaw.pdfIn PDF document text
- http://whuntex.ru/userfiles/file/87427600790.pdfIn PDF document text
- http://praconsulgroup.ru/pict/file/66089346397.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/18232723997.pdfIn PDF document text
- https://wickedcheesy.com/images/file/87373789577.pdfIn PDF document text
- http://donauwell.at/userfiles/file/19229360921.pdfIn PDF document text
- http://ychnjl.net/userfiles/files/wutejefon.pdfIn PDF document text
- http://rld-carbon.ru/file/peduzezatukogino.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c24d403818e---wobejawabipeleronen.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609b692a6cc32---gopajif.pdfIn PDF document text
- http://colleges-in-tamilnadu.com/FCKeditor/userfiles/file/tisamu.pdfIn PDF document text
- http://nhatngungoisaoxanh.com/upload/files/88096026128.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/6c748aeba4da7b067c23666ea9e313aa/76256617603.pdfIn PDF document text
- https://bakotech.at/uploads/ckeditor/files/suzejepafemev.pdfIn PDF document text
- http://dnepropress.net/files/file/xinabavavabiti.pdfIn PDF document text
- https://cambodiaangkorhomestay.com/userfiles/file/zedapokapaxal.pdfIn PDF document text
- https://eprobatdz.com/ckfinder/userfiles/files/zitokanosovu.pdfIn PDF document text
- http://gndpta.eu/news_objects/files/jupafozapugotopirefeg.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/0f1435465f43dca33a15be1044032e88/garirovanato.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=livro+de+filosofia+pol%C3%ADtica+pdfPDF 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_off0000c4fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD0D | 19116 bytes |
SHA-256: 608cb4e4d29db1059896180f8724b5189165e6dd7b0b42cdf1efff50bb1a41e6 |
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font_02_sfnt_off00010cb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CB5 | 10592 bytes |
SHA-256: 10e41f061afa975c662952696532399b21929e86c8479f2ea4b24b5b6bc06314 |
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