MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, many hosted on compromised or disposable domains, suggesting a link farm or phishing lure. The PDF structure and embedded URIs point towards an attempt to redirect users to malicious sites, potentially for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://philabc.ru/uplcv?utm_term=subir+volumen+maximo+android PDF link annotation
- https://hardlineconstruct.ro/app/webroot/files/userfiles/files/kamawap.pdfIn PDF document text
- http://chretkinia.pl/userfiles/file/99931375863.pdfIn PDF document text
- http://norilsk.torbay.ru/images/uploads/file/69979198019.pdfIn PDF document text
- https://ooo-kenk.ru/userfiles/file/50677628869.pdfIn PDF document text
- http://www.binghan.my/userfiles/file/velodokemepisutuxalan.pdfIn PDF document text
- https://soportedevida.mx/ckfinder/userfiles/files/74626778346.pdfIn PDF document text
- http://wxmx.cn/upload/ckimg/files/202109191409258337.pdfIn PDF document text
- https://thefertilizerproductionline.com/d/files/gelagufiba.pdfIn PDF document text
- https://essuances.com/ckfinder/userfiles/files/70225503318.pdfIn PDF document text
- http://www.ondebiz.com/userfiles/file/95066322847.pdfIn PDF document text
- https://cuichi177.com/uploads/files/202109110859352303.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/tm0tq091tl1il1q7citjt3bvu7/sosukexujovo.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369d2bede76---17081329175.pdfIn PDF document text
- http://timecraftz.com/userfiles/file/jekopumixadojudujerekuvuf.pdfIn PDF document text
- http://waterlootour.com/FileData/ckfinder/files/20210920_8F54A07EAE2D822A.pdfIn PDF document text
- http://fc-junajted.com/upload/datoteke/kubolujubikafixamatol.pdfIn PDF document text
- http://csaladiegyteruautok.hu/userfiles/files/mutapumimetajuju.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d8ddf0d12---xoxetupotigine.pdfIn PDF document text
- http://kezheng.net/Upload/file/xuvizatuxirogumegej.pdfIn PDF document text
- http://pobierzplik.pl/uploads/files/69422453147.pdfIn PDF document text
- http://aodaibooking.com/FileData/ckfinder/files/20210910_AFF3A3027036AC0C.pdfIn PDF document text
- http://rklatex.com/userfiles/file/karapadofafugelo.pdfIn PDF document text
- https://vipbeachhouse.com/uploads/editor/file/54024185741.pdfIn PDF document text
- http://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/16178921065.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_off0000aff9.bin709e943dbb88d5e1507a612839a92558054478ef388336895b9c7d71a310da31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFF9 | 10628 bytes |
font_01_sfnt_off0000c837.binf3112f09c0f59b040d46d309c0f215471669fdb91f7857d7f19d552bb38a9731 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC837 | 15096 bytes |
font_02_sfnt_off0000edde.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDDE | 16792 bytes |
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