MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. It contains numerous embedded URLs, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these URLs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://chcial.ru/uplcv?utm_term=3d+family+tree+project+ideas PDF link annotation
- http://www.aqsclimited.com/EditorImages/file/88391393622.pdfIn PDF document text
- http://stromzeleny.cz/file/tiximure.pdfIn PDF document text
- https://profesa.net/userFilesfile/36820401512.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c04d819f2c6---5381352602.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/raa8fmjii1hlqmn51dbg962fmm/tabidumuterikafawefuwa.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/r3bhvoajmgfdhht0g2qbg7cr0g/15195618709.pdfIn PDF document text
- http://haokunchem.cn/upload/files/tudodadagufozidi.pdfIn PDF document text
- https://rozgarnetwork.com/ckfinder/userfiles/files/17580449104.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079c6d4487e2---57503203416.pdfIn PDF document text
- https://pakistanchristiancongress.org/userfiles/file/kikexikofuxeliralijizij.pdfIn PDF document text
- http://brilliantsolarpaneling.com/userfiles/file/tusuxululabuwidegagojopuw.pdfIn PDF document text
- http://spoilersmensgolfclub.com/clients/865201/File/mazuropusuwipori.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/8u340go07u22kdc14vf6319a04/pegisevozewuv.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e97b21169---tawipaxotigimanagazobi.pdfIn PDF document text
- http://abwingsva.com/uploads/files/tufupigatovekipukekejog.pdfIn PDF document text
- http://sghscsjamarai.org/guruhargobind/userfiles/file/57590570046.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/c0f03a6bd0aca964eb9d9f591ba925b7/bivove.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc4aa5e925---fadulogivorasavixokezojim.pdfIn PDF document text
- https://tanasiri.com/piceditor/file/99715115486.pdfIn PDF document text
- http://alessandrobelleseveterinario.eu/userfiles/files/lawerijufidevo.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d28521bba66---78547773852.pdfIn PDF document text
- https://www.verimevzabavu.cz/ckfinder/userfiles/files/gupusesibatajigobefo.pdfIn PDF document text
- https://pasifikendustriyel.com/userfiles/file/81545135640.pdfIn PDF document text
- http://cuoredicane.it/userfiles/files/33485782479.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/c99766741e5fa986065e604a89eb2156/42722691967.pdfIn PDF document text
- https://shop-ecobati.com/medias/upload/files/zinugizetivigogu.pdfIn PDF document text
- 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_off0000e855.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE855 | 10996 bytes |
SHA-256: c2ff06dbcce0b56df736d2274bdd5c95f50a978b57d3671b47918e4adde4f870 |
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font_01_sfnt_off000101d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101D7 | 16548 bytes |
SHA-256: fc2df2924d3f8e0a9a29a4823912745ce3cf39eae4e5f84f867c21b57ef33a7b |
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font_02_sfnt_off00012c02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C02 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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