MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, many of which are hosted on compromised or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics confirms the link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://catamma.ru/uplcv?utm_term=free+fire+matchmaking+problem+apk PDF link annotation
- http://tatagz.com/uploadfile/files/bewupalupowi.pdfIn PDF document text
- https://detmers-kontejner.hr/files/11115443704.pdfIn PDF document text
- https://acrgroup.nl/userfiles/file/sinofunanarulesab.pdfIn PDF document text
- https://iwanbim.iwan.co/userfiles/files/50940891746.pdfIn PDF document text
- https://nhaccugiare24h.com/uploads/userfiles/file/96157454093.pdfIn PDF document text
- https://vannordenvastgoed.nl/userfiles/file/futotosijojatozatag.pdfIn PDF document text
- http://humansharehouse.com/userData/board/file/15593365430.pdfIn PDF document text
- https://denimder.org/resimler/files/vufasaxogaxoju.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613730404a9e5---zadujuvogodenupolovo.pdfIn PDF document text
- http://raylutickenterprises.com/userfiles/files/69639177374.pdfIn PDF document text
- http://mcutech.net/upload/2021/09/file/1630713502325094450.pdfIn PDF document text
- http://mskabel.cz/UserFiles/File/88334537363.pdfIn PDF document text
- http://ttmplus.com/userfiles/files/wigidumewujadag.pdfIn PDF document text
- http://dissanna.com/temp/fckeditor/file/6727923743.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613967975feda---23595708905.pdfIn PDF document text
- http://jinsonmetal.com/Upload/file/vobesi.pdfIn PDF document text
- http://epilia.com/upload/FCKEditorfile/fiwedivupoxuxejomuw.pdfIn PDF document text
- https://clicksnepal.grnca.org/img/files/files/mogizipejugulejikozar.pdfIn PDF document text
- https://xn--nmqu14inmf.com/upload/files/mutinot.pdfIn PDF document text
- http://morecoredesign.com/images/imageUps/files/96404597315.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16148a0bd9a5ff---96998870959.pdfIn PDF document text
- https://ebus.myskoolapp.com/FCKeditor/FCKimgUpload/file/76862162864.pdfIn PDF document text
- http://templeton.sk/userfiles/file/gisewisu.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_off0000cd4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD4E | 10968 bytes |
SHA-256: a06f35b82688076f18ad877a8b49539c958824338445301e47a81521d2f6d1b8 |
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font_01_sfnt_off0000e64e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE64E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fe60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE60 | 17784 bytes |
SHA-256: 7d2cbbb03d14f732dd3f291630871bc4c1f291ba0bf89e434ec9cb2f24ab9996 |
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