MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of links, many pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm. The embedded URLs are likely intended to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://shengnabei.com/uploadfile/file///2021060915035732.pdf
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e8eaf5d039---luwogitodeboliresosa.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607d770a4a7da---81104766859.pdf
- http://nuestratierrapremios.com/campannas/file/wawukomutamavenoraruropil.pdf
- http://greenlivinggarden.com/htdocs/UserFiles/file/61314098905.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/8b863e4434a9d01bd75a8045cfee4e7a/rotimawajonekebugom.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0e6f166afa---8498622909.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/de94956f449d8200c3fe5f631b55c8b3/39349559633.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160746a7072d55---bubupodosorekilagofuz.pdf
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a576eb77a15---34692776020.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609acade47915---xezok.pdf
- http://anjilh.com/uploadfile/file///2021042917444419.pdf
- https://triptoboloyfoundation.org/editorsfiles/files/zukeno.pdf
- http://www.allatpatikapecs.hu/images/file/37700749722.pdf
- http://asfalon.com/__files/file/75757831370.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160924b31e9dcb---67464474639.pdf
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/122012811eef72eaf668ea7bdc8092bf/65497045026.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b5369bb3424---24890394590.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/oms3t2v8ln972io1v6s2odkn15/fosiwubetajuvosuk.pdf
- http://cheumst.com/upload/fckeditor/file/busuvigafoliku.pdf
- http://ankurgroups.com/userfiles/file/85658153229.pdf
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/d8d8efdca1edb8fddf06d6b05d756a39/zosetuvuf.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=is+sodium+hydroxide+endothermic+or+exothermic
- 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_off0000e882.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE882 | 16792 bytes |
font_01_sfnt_off00010099.bin8d89d53d5635148f63a2a6c99b80ac32fd18dc70c41e929ba72021317327a916 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10099 | 10692 bytes |
font_02_sfnt_off000118fe.bine93ce5424f796886f9f0679acfb58e5ea672c15390b99675b1fcc66f1e792107 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118FE | 18316 bytes |
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