MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised WordPress sites hosting further PDF files, suggesting a multi-stage attack. The presence of numerous external URIs and link farms points towards an attempt to distribute malicious content or phish for information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e156dbee52---7598352113.pdf In PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/2n6d7ti9ijgeu79esjk7368kd3/6447150768.pdfIn PDF document text
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c08fe58eab9---makefofigunitinefiwone.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/8710ce055ab63f6ee34e468e8c06aea4/45962111268.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/020f42b450e95a18483d7256891480ba/danijazafitimigamikorujux.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/6d2ad8f3a0cd0d0dae3ef2ab334bf050/14306582479.pdfIn PDF document text
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/a6s24e1vpaghktgebot25g06t4/37043544750.pdfIn PDF document text
- http://geometrabottero.it/userfiles/files/23517329733.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f60d7486e4---xepekobunidodigubejogo.pdfIn PDF document text
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/4cbec7302a719f9eeae52b973a862e33/pabifabufasoxigaf.pdfIn PDF document text
- http://fobosgrunt.ru/files/ckfinder/files/fikilotinixivejeneri.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/5c00a1e4d5ffcbbeeaf4d0ed3a28a2b3/1110676288.pdfIn PDF document text
- http://app8itebarandgrill.com/admin/images/file/82230140803.pdfIn PDF document text
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/14bh7nccfqrimufp7ild1ls6sa/visuwufom.pdfIn PDF document text
- https://marljivo.hr/UserFiles/files/73730226771.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16073443e42d66---39427782331.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606c79f2b1f43---daviwijewozugipezogovas.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/83hhmoqdl4c18s2s37lsouq421/safewusogejijewaxobon.pdfIn PDF document text
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/5fe9ff14a94240ca0d6c494ea4c9be12/sejoxeputuvozuvudapukir.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16070539aeaf0c---mavigo.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ede47ee1e8---34637245920.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/87fvi9hl4v8gh8466jsoav90c4/43064077794.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160caab0fef3e5---90138062718.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=megalovania+on+xylophonePDF 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_off0000cce8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCE8 | 10440 bytes |
SHA-256: 9c2f553dd42a3a748375e54023797511999985d3805cb333b978c1c13c6d4eb6 |
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font_01_sfnt_off0000e480.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE480 | 17300 bytes |
SHA-256: ade683fd1b1e3195901025e5d25b90975056509067450d45f0fd8b2066e8fd45 |
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font_02_sfnt_off00011196.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11196 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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