MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
The PDF document was flagged by multiple heuristics as malicious, including a link farm pointing to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV also identified it as a phishing trojan. While no scripts were extracted, the presence of numerous URLs on compromised sites suggests an attempt to redirect users to malicious content, likely as part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://loctra.net/userfiles/file/28544627089.pdf In PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/715e6a647a0d114c39817a004b50c611/47499667003.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c6f2b26de70---poxuxupiruvirazatalo.pdfIn PDF document text
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/a672c21b666d0a3ff83c333aa9a0e9a1/burod.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/lmonatr11sg47f58o3oir5lnic/60757280568.pdfIn PDF document text
- http://el-master.ru/userfiles/file/57968174449.pdfIn PDF document text
- http://millionsdiscount.com/mo_images/files/renawojesituw.pdfIn PDF document text
- http://wannawwannie.pl/userfiles/file/zomuvamosofitobagufizaga.pdfIn PDF document text
- http://zovsh.com/Uploadfiles/files/piwujinifusojafowirudome.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/3ftfrfcoshc20asjrvq5jtioc4/33558818785.pdfIn PDF document text
- https://auto-rujo.com/images-editor/file/54787747023.pdfIn PDF document text
- http://nakatka.com/files/file/luxulunawuko.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc96eacbe1---jobivo.pdfIn PDF document text
- https://abhrian.com/userfiles/files/72031790553.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/b859ca59f0b198e69a5923b944b2e516/43072142433.pdfIn PDF document text
- https://aartipalette.com/userfiles/file/80351961100.pdfIn PDF document text
- http://sy-smile.com/upload/files/9835763496.pdfIn PDF document text
- https://aprilboya.com/userfiles/file/lowigunaxifak.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c57159a01bb---nagomuxajuzi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=free+worksheets+for+4th+grade+reading+comprehensionPDF 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_off0000e0a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f8b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8B9 | 11252 bytes |
SHA-256: 2123610c5367b9a253a4c65448057cb59a452c9324c4d301fd8cb47bc4758444 |
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font_02_sfnt_off000112dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112DC | 18084 bytes |
SHA-256: 80c0842f9f67d1cd96a181ef72cb610dc7b6abeed96c8d81b5ecf19bcbecbb0a |
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