MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload directories and disposable hosting sites. The embedded URLs, such as 'https://oniceh.ru/uplcv?utm_term=iphone+7+plus+128gb+price+in+america', suggest a phishing or scam lure, likely aiming to harvest credentials or distribute further malware.
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://oniceh.ru/uplcv?utm_term=iphone+7+plus+128gb+price+in+america PDF link annotation
- https://irepairplus.nl/app/webroot/files/userfiles/files/ladifomefamozarevi.pdfIn PDF document text
- http://ebslang.net/_UploadFile/Images/file/luwevubefubodalipowenibeb.pdfIn PDF document text
- http://synphabase.ch/upload/file/jezajugitefokujela.pdfIn PDF document text
- http://bizbecho.com/pa/trainstation/uploads/image/file/mafanematogikiguseg.pdfIn PDF document text
- https://alpinashop.bg/files/busosisovigem.pdfIn PDF document text
- https://bustotoronto.com/userfiles/file/wurukojusisen.pdfIn PDF document text
- http://titusauto.hu/kepek/file/88173482736.pdfIn PDF document text
- https://k-barrierfree.com/FileData/ckfinder/files/20210914_05C3A6A25718F63A.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed8e298418---levovogujexifapogo.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/91476942847.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16145e0cbbbc5f---45607904667.pdfIn PDF document text
- https://ph789.com/pinhsuan/files/file/70196235061.pdfIn PDF document text
- https://martas.vodrsport.cz/uploads/files/99608040626.pdfIn PDF document text
- http://deleersnijder-bocaege.be/images/file/kulinugorafefesatadajog.pdfIn PDF document text
- https://castel.ro/userfiles/file/kuxifo.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/o3vjikkgb7k1kalf1sj5ggbp20/26899057316.pdfIn PDF document text
- http://chiari-web.com/ckfinder/optimist/files/14913147913.pdfIn PDF document text
- http://asorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fatezudopa.pdfIn PDF document text
- http://mybed.tw/uploads/files/202109051655098127.pdfIn PDF document text
- https://altaitur.com/ckfinder/userfiles/files/38499706192.pdfIn PDF document text
- https://sakkestadbil.no/userfiles/file/72997397147.pdfIn PDF document text
- http://travel-door.com/userfiles/file/zobigukovepurobogubiperu.pdfIn PDF document text
- http://technocom.pl/editor/file/demalefixuwora.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_off0000b24f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB24F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA66 | 11344 bytes |
SHA-256: bc7bfe48ba6fa478604d6e2d23d028dfcac1e25da1e799bc42be89f41897d759 |
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font_02_sfnt_off0000e4ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CE | 17148 bytes |
SHA-256: 804cad03e4f87355b4cd98763e53369422bc61d83b34a08747fe71e9234b6d19 |
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