MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is a PDF identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan delivery mechanism. It contains numerous links to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, providing no direct clues about its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://dichvutheapec.com/upload/FCK/file/sevuk.pdf
- http://texmet.pl/userimages/file/vosikokiwemumezesu.pdf
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/4cfb7766d84d709beb50e46a76c45f90/71674087148.pdf
- http://omonetach.pl/foto/ilustracje/file/46000695451.pdf
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d55d337208---bejos.pdf
- http://balone.net/_upload/file///xabidupimiririjatuxavulaw.pdf
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160864f4ca7bf9---37011461996.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160af9e6912530---pefagagovosobawekazusir.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810d42adf71---jibixuwuwinoki.pdf
- http://royalgroup.at/tmp/71977444588.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078126f6ca5f---wegoxoveleg.pdf
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/35424e61e83894b9021196f63508ee47/24552937376.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d0924193909---11044873981.pdf
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/r4jfbgq2ink19bnt1u1j5tpu1t/98214549010.pdf
- http://sun-tes.ru/files/file/fepemanomuzolezotonodutin.pdf
- http://koreabulk.net/userData/board/file/96675558343.pdf
- https://flyingfish-stay.com/userfiles/file/92941171843.pdf
- http://capri.lt/userfiles/files/romakazilesipikazar.pdf
- http://akcjonariusz.com/UserFiles/file/fawokovi.pdf
- http://shipagents.nl/uploadfiles/file/48423972488.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b24a23b22d0---joluverojaku.pdf
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/pewetuginafekovuwa.pdf
- https://thebottombillion.org/business_school/uploads/file/wafojapuzuzir.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c4f47ddef9c---jiguluvomirade.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=movie+review+format+for+high+school+students
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b8d3.bind5af96a7178ef66b609df1b00fde56eb90761612517060a5dcc47924f17bb9cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8D3 | 11168 bytes |
font_01_sfnt_off0000d2a1.binecb50fe89f1e7e3bcef821d284cc8e8e68da02d6a7957f4b5440114640f0d11d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2A1 | 14652 bytes |
font_02_sfnt_off0000f749.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF749 | 16792 bytes |
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