MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated, preventing analysis of its direct content, but the heuristics strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://crewmak.ru/uplcv?utm_term=libros+para+aprender+frances+desde+cero+pdf+gratis PDF link annotation
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609f4bda9cede---jolajawetanawofifupir.pdfIn PDF document text
- http://moscowprice.com/content/xuploadimages/file/sarazedenena.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/f212aj4di0ed5k36frrm6dhprd/fitowopolup.pdfIn PDF document text
- http://vietsonplastic.com/uploads/userfiles/file/26666401887.pdfIn PDF document text
- https://szabobuszrendeles.hu/files/files/4897826091.pdfIn PDF document text
- https://pemaboutiquehotel.com/assets/userfiles/files/32236381144.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/78pivj3m859kk5sfkm55ut40rs/66145750159.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1607a41615b7bd---mokipesegobanemasifugam.pdfIn PDF document text
- http://www.clc-engineering.com/siteuploads/editorimg/file/kediwuzenakuxa.pdfIn PDF document text
- http://gancza.pl/userfiles/file/75487270281.pdfIn PDF document text
- http://tomaszskiba.com/userfiles/file/muzasufopolibudepa.pdfIn PDF document text
- http://dobrejaja.com/Upload/file/juradirulapaganide.pdfIn PDF document text
- https://valve-toho.com/userfiles/file/vanudinagowuxozopav.pdfIn PDF document text
- http://biosite.ru/images/news/file/pisokaverejodokepuxex.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/a94f4ac2703dd77eb1c573914a471acf/gaterekikegumebivinenalum.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/5b36959bec362094ace6bc512b2eaf23/gopavabekifim.pdfIn PDF document text
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/45cd050ac6da65ffcb733ad5da1d36da/64078009394.pdfIn PDF document text
- http://stolizstekla.ru/userfiles/file/piporer.pdfIn PDF document text
- https://groupburuemas1.com/contents//files/38634706241.pdfIn PDF document text
- http://gadkowski.pl/repository/filemanager/file/34364930674.pdfIn PDF document text
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/0562a8b4c616e0337b657aaf9da76e1f/39507636709.pdfIn PDF document text
- http://cutskytools.com/d/files/simulob.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_off0000e129.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE129 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f940.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF940 | 10844 bytes |
SHA-256: 5481d7eef59f89c8a093e06b0d45f204c8a95cff6614d12bb00a89a7b3a86a21 |
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font_02_sfnt_off000111fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111FD | 17608 bytes |
SHA-256: ae9e2a000e25dfd00391876eadba73c6d240a840509b9f193474bac53a1dca6a |
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