MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised WordPress upload sites, which is a common tactic for phishing or distributing further malware. The presence of numerous unknown URLs associated with these compromised sites strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/1o08p1qflog5ki7uhch6pticn1/70534378043.pdf In PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/16fg6jcagbu4mdtgo7edqn5mct/60889974838.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a13cf1308f---92070752378.pdfIn PDF document text
- https://aadhaarretail.com/administrator/imagetemp/file/20597272500.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607149bba934e---balipixuvufeditawoze.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/a0326ef8d15455ea9258e9b159185ba6/50188233290.pdfIn PDF document text
- http://wagnerpc.com/userfiles/files/bivajuzewexewapibunuko.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/5gojb26msel7qhk96pafpvigvh/56098821818.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608af59f45ed8---79832345898.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f99e9cdfc2---88498179814.pdfIn PDF document text
- http://elcampoeco.org/FCKeditor/file/7327379602.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1609270a102322---50453958681.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f05fe45976cfd189390715ff85aa286f/4309205522.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d66e23f1f0b---98283094137.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/bcggq2iansc2eq4am4b2ksdrkp/31280665880.pdfIn PDF document text
- https://socohoteldanang.com/uploads/image/files/22477255190.pdfIn PDF document text
- https://pasarantogel.com/contents//files/luxofopamed.pdfIn PDF document text
- http://cec-intl.ru/app/webroot/files/file/75854773246.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/a703eed0d8b5dc77e074acdc23649721/bafuril.pdfIn PDF document text
- http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/17461408772.pdfIn PDF document text
- https://papiratisk.cz/soubory/minisaxavuniki.pdfIn PDF document text
- http://alemotta.com/resources/original/file/5998938329.pdfIn PDF document text
- http://ddgasul.com/userfiles/file/96012479601.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b0fc40fa0f---sozuxuxu.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082ffbccea2d---19729546660.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=you+can+win+tamil+pdf+free+downloadPDF link annotation
- 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_off0000e1b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B6 | 17968 bytes |
SHA-256: 57f7aa04555cff67e33ebc009225c5b8dce87306ad6f264f8d6669a9532c02df |
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font_01_sfnt_off0001106a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1106A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012881.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12881 | 10784 bytes |
SHA-256: c2dc4715ef93328ce3c713569fcde3b150bc6d7ae31bd1115a0272a69ddf64a5 |
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