MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm with numerous URLs, several of which point to compromised WordPress upload directories. The ML classifier and ClamAV detection strongly indicate maliciousness, classifying it as a phishing trojan. The primary function appears to be redirecting users to potentially malicious content hosted on various domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://marljivo.hr/userfiles/file/sutiteriwinelaperafiruvu.pdf In PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/a4e034c2bae0a4636d766f6e47675b11/javalixidufipulijitivimux.pdfIn PDF document text
- http://t-eamplus.de/web/editor/files/55549273254.pdfIn PDF document text
- http://envisystem.com/upload/userfile/files/63887196554.pdfIn PDF document text
- http://berallebags.com/UploadFiles/FCKeditor/20210731121437.pdfIn PDF document text
- http://alconburyreunion.com/clients/36523/File/jezuporunove.pdfIn PDF document text
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609b4428191af---23815907217.pdfIn PDF document text
- https://istanajp2.com/contents//files/6153801308.pdfIn PDF document text
- http://terhautz.com/upload_files/files/19253052827.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/23379755777.pdfIn PDF document text
- http://clinicaveterinariasangiacomo.it/userfiles/files/79883397201.pdfIn PDF document text
- http://sushikyototogo.com/uploads/files/54686195937.pdfIn PDF document text
- https://nhachoxebus.com/upload/fck/file/xonuruvuxurojibaxurot.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607049809b8d2---10742416529.pdfIn PDF document text
- https://drddvichitra.com/userfiles/file/91040752838.pdfIn PDF document text
- http://bumsnab.ru/uploads/files/82697334776.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/sghqmshd46j299n8h72qoup46o/51281309490.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a77e2aae8f0---74905793547.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/236cdf19d7cbff1d5d400158dcfe6c38/bifowujowebiletekuwisaba.pdfIn PDF document text
- https://hostmegasoft.com/calisma2/files/uploads/dotuzaxukijuxasapew.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160835a229a30c---xujotuzewajomojunem.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=all+hallows+secondary+schoolPDF 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_off0000bda2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDA2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d5b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5B9 | 10456 bytes |
SHA-256: 7af795ab57a248385a68f586fb1393feedadf0f1040079a10256842fadeba248 |
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font_02_sfnt_off0000ed85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED85 | 16172 bytes |
SHA-256: e53aeeafe1978e54f6cb31b1ed2f9759c47b27f3f579e36203adf52c3198511c |
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