MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised or disposable domains, suggesting a phishing or malware distribution scheme. The presence of a 'link farm' heuristic further supports this, indicating an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://irlanc.ru/uplcv?utm_term=all+in+one+mario+game+apk PDF link annotation
- http://cmrivestimenti.com/userfiles/files/17760098217.pdfIn PDF document text
- http://fgosvo.ru/files/files/15149433233.pdfIn PDF document text
- http://stonestudio.pl/files/upload/file/80194798461.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/im9dvki98ss19sfg4mehel7nv7/65237462901.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161422a1f46794---28378492987.pdfIn PDF document text
- https://telenovella-bg.com/files/89213256430.pdfIn PDF document text
- http://asupuro.com/user_data/image/file/42209165600.pdfIn PDF document text
- https://ccaquebec.com/userupload/files/tegosowadopowi.pdfIn PDF document text
- http://naturalwonders.com/uploads/files/jexamudigi.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139bb49aa840---93587550659.pdfIn PDF document text
- http://namhungholdings.com/uploads/ckfinder/files/5586200573.pdfIn PDF document text
- http://asu78.ru/userfiles/file/wabak.pdfIn PDF document text
- http://poptheme.cn/uploadfile/files/20210905_065940.pdfIn PDF document text
- http://cowmoo.org/ckfinder/userfiles/files/93307662998.pdfIn PDF document text
- https://memo-log.com/userfiles/file/51005796700.pdfIn PDF document text
- http://travelport.pl/userfiles/file/8751807653.pdfIn PDF document text
- http://xn--80aiddhbkcq5bcaz.xn--p1ai/upload/files/naponoderajarovatole.pdfIn PDF document text
- https://pixel.bg/img/file/mojorexobezadoremosimin.pdfIn PDF document text
- http://carzip.biz/files/uploads/files/lugopibe.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/12095c62f6ba2aa6a1b040e722e602ef/xoxagazov.pdfIn PDF document text
- http://96rangjai.com/userfiles/file/wuwebojofekararafini.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/0f62cdb19c2ff75e0e6c2d942427cd14/42100860313.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_off0000c762.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC762 | 17332 bytes |
SHA-256: f5559f7f64982d38794e7fc4ed4e7173e15fdefb53e449bdbcac2803eab07fe6 |
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font_01_sfnt_off0000f3fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3FD | 10404 bytes |
SHA-256: eeed4b9ea7076a6e29421a95d37ba891af9052707aaccf268711c448778b0bc5 |
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font_02_sfnt_off00010b71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B71 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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