MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains a link farm pointing to numerous compromised websites, suggesting an attempt to redirect users to malicious content. The presence of external URIs and link farms indicates a likely spearphishing attachment used to deliver a payload or phish credentials.
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 https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/3d804bcfc24ffea4ecc8cc908b295336/77520691197.pdf In PDF document text
- http://sakaryakasaplarodasi.org/userfiles/file/21658996066.pdfIn PDF document text
- http://fernandopelosini.it/userfiles/files/94974441919.pdfIn PDF document text
- https://trouver-une-ssii.com/img/pics/files/20113571600.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096d0391c977---watij.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609a81d470338---56618578291.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/22f861be89eb189d1811a380e1ada93d/dujekilizova.pdfIn PDF document text
- https://cplastik.cz/data/cms/file/91047467448.pdfIn PDF document text
- http://dogalakustik.com/depo/sayfaresim/file/wirusanuruw.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a4dfd407cbe---rufirojorebodazototusakax.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608567e01338c---tefepereboxogiledu.pdfIn PDF document text
- http://manchetenewsms.com.br/ckfinder/userfiles/files/306633320.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8d4bebcee---65658339647.pdfIn PDF document text
- http://caratow.nl/userfiles/file/wuzomonudoludalom.pdfIn PDF document text
- http://kanstm.com/ckupload/files/60692508278.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/1a6ad1d988c18e40aa98b7612990d295/vujitipapisege.pdfIn PDF document text
- https://asharfilalkulfi.com/ckfinder/userfiles/files/16514857856.pdfIn PDF document text
- http://beepost.vn/upload/userfiles/files/nejax.pdfIn PDF document text
- http://highlevel.pl/userfiles/file/76373183959.pdfIn PDF document text
- https://balaji-technology.com/userfiles/file/93185224065.pdfIn PDF document text
- http://nature-revive.org/files/file/fezapovolorex.pdfIn PDF document text
- http://dailitara.lt/bites/uploads/file/84276555108.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/2fdf6fbc626773a38ea6a96fd2df2b31/48778281748.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6a725e632---lubadazabuxixudonided.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=use+of+social+media+pdfPDF 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_off0000d15b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD15B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e972.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE972 | 10488 bytes |
SHA-256: e925783f5ede9c3d55cab649fc421d45eb611fe345f3dad215b6877bd068a716 |
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font_02_sfnt_off0001013f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1013F | 17748 bytes |
SHA-256: f86adbf2920ec081f82844675e290ace97e3528bca5edc02aa34765a09034647 |
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