MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF sample was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier, indicating malicious intent. It contains embedded JavaScript and a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting it's designed to trick users into downloading further malicious content. The presence of a visual download button further supports a phishing or social engineering attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 8
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://bikidi.com/UpFiles/WebEditorFiles/file/75958239795.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/4rl7btlh9ss2e5d9cdpdaac150/33692395286.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/ed96efb7824d6fc857234cc547b5fd79/66922426822.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8842248e7---zojituro.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f707a5ea9e---84216369250.pdf
- https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/160b0ff6c9fb5f---lunugofigomozibij.pdf
- http://arci-mp.fr/admin/File/jufotuwezopinu.pdf
- http://shukokai-voves.fr/userfiles/file/dobibituwukaxegan.pdf
- http://mamnonlittlesun.com/upload/files/44728935836.pdf
- http://kcde.kr/userfiles/file/38758910579.pdf
- http://cephedanismani.com/images/pages/file/risisom.pdf
- https://alatheir.com/atheirwsfiles/file/25101457895.pdf
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/b32aba0f49f49afb14d56463ff0c8784/98000893133.pdf
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/03cce2b868b5076f16c3f5712980b739/272740321.pdf
- http://therealmccoyfamilyreunion.com/clients/f/f9/f9ea119420dddc0cc5ac7622830b9f68/File/fineratarisad.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1607cdd6bb7310---getipuwowutozag.pdf
- https://airbays.com/userfiles/file/mafabonafudezakoza.pdf
- http://ahlhy.com/uploads/file/150749597072.pdf
- https://tsydesign.com/userfiles/jws/files/tefoxixamolo.pdf
- http://paintmaster.hu/js/ckfinder/userfiles/files/bowemobapupadilageriw.pdf
- http://eprdel.cz/userfiles/file/somusalobebujovaxexadefe.pdf
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/krilcg81tbs4te3h2158lf82hl/fizap.pdf
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/a4fcdea411278f834fb74230891ab4f4/60196690457.pdf
- http://be1971.com/clients/a/a1/a19be2fc4cf8b198b52f296748481ce5/File/fuzewu.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/a3248023004f2c8c002b0d63fbadedc9/paxubazegubibob.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=rca+dissection+during+cardiac+cath
- 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_off0000f5dd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5DD | 16792 bytes |
font_01_sfnt_off00010def.bin050beeb846945f0d768304b08c9fbb1f25d47efa003aedfc3f97c06f50ab70f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DEF | 17984 bytes |
font_02_sfnt_off00013d59.bin48a45026a09de119f841230800a1b72f3787dd1beafc21e9192b9a501d042358 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D59 | 10748 bytes |
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