MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs that function as a link farm, directing users to potentially malicious content. Several URLs point to compromised WordPress upload directories, indicating a tactic to host malicious files or redirect users to phishing sites. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://coretry.ru/uplcv?utm_term=apk+from+website PDF link annotation
- https://ginniglobal.com/uploads/file/71712218057.pdfIn PDF document text
- http://chickendaylacrescenta.com/uploads/files/86655203522.pdfIn PDF document text
- http://nextlab-semi.com/files/fckeditor/file/gulaludezoxovatefol.pdfIn PDF document text
- http://police8coop.com/UserFiles/file/60165290153.pdfIn PDF document text
- http://italiangreyhound.pl/img1/userfiles/file/wovezawepowetozer.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16137f7923850a---30776699019.pdfIn PDF document text
- http://taeguektour.com/FileData/ckfinder/files/20210904_AF1B82C4C73715C0.pdfIn PDF document text
- https://ctcitsupport.com/media/files/80795653932.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/b32700185191f2de4da26599ff4f10d4/3944801063.pdfIn PDF document text
- http://nayyaralidada.com/alpha/ckfinder/userfiles/files/somopepuvibasunirife.pdfIn PDF document text
- http://lerucherdesanges.fr/userfiles/file/72005496739.pdfIn PDF document text
- http://bebsulmare.com/userfiles/files/rikagitedozozuvujasenur.pdfIn PDF document text
- http://odesignlab.ru/admin/ckfinder/userfiles/files/diwazog.pdfIn PDF document text
- http://iamsong.vn/uploads/files/zurokodugizowidamanifeko.pdfIn PDF document text
- http://shinies.ru/img/lib/file/kevofakukowedusanudal.pdfIn PDF document text
- http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/25790910005.pdfIn PDF document text
- http://aaykpn.com/uploads/editor/files/29334112904.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382d2686545---49503979258.pdfIn PDF document text
- https://harshahometutors.com/uniformkontakt/userfiles/image/files/70095383710.pdfIn PDF document text
- http://yonseri.org/userfiles/files/funobesod.pdfIn PDF document text
- http://jjsgreatescape.com/uploaded_files/userfiles/files/vugorefilawukax.pdfIn PDF document text
- http://progettogeometra.it/userfiles/files/wigevowofe.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_off0000ddf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF9 | 17932 bytes |
SHA-256: 72e88de4199181fbf2ac903d19e16bba1e75fac5c90811ad4f577f0d83234616 |
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font_01_sfnt_off00010cc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CC6 | 10504 bytes |
SHA-256: 9dc0bba6cf28750f2d0ea8c8a57d2a7e230b00c4655046ffff6b191e2bdfb281 |
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font_02_sfnt_off0001249b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1249B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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