MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS upload directories, suggesting it functions as a link farm to distribute further malicious content or phish users. The presence of these links and the overall structure align with a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://m-co.de/wp-content/plugins/super-forms/uploads/php/files/b5jrrmqde7mg56c4dv32nlmh8g/91249744106.pdf In PDF document text
- http://alarcon-v.com/editor_upload_image/file/zufuxidawuxanat.pdfIn PDF document text
- https://designclarf.it/file/tusifivejiraxax.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160706a46608ff---tajepulujemevuwufufovikaj.pdfIn PDF document text
- http://candemdientu.com/Images_upload/files/16686407941.pdfIn PDF document text
- http://dashoernerboot.de/userfiles/98362993904.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/6950fe2604a8223ae8a5cc695ba07bbc/nulelinonugefebev.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c52eca9a9c2---mupevogijomumiwowotema.pdfIn PDF document text
- http://jnnycc.org/userfiles/file/60108905261.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5f5d05d1a---17381980977.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/0e7189de9b87c8e858504af3407dc816/78667631741.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160ac2a3404cf3---ganukafevutosokenuv.pdfIn PDF document text
- http://ascensionchina.com/userfiles/file/2183537723.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8cd0740dfb---kuparusatitamamimuson.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160929a9d8a450---70825542982.pdfIn PDF document text
- http://cissi.it/userfiles/files/46109043801.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b9e118101---94424494694.pdfIn PDF document text
- http://kursadowicz.pl/Upload/file/4771376189.pdfIn PDF document text
- https://alamansyria.com/userfiles/file/48969550642.pdfIn PDF document text
- http://cosmic-kino.ru/sadm_files/rafawavadujinulubovinos.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/38a9c3f0469d73cae56e6d3f17bb53e6/guzojexivalitugukodezopa.pdfIn PDF document text
- http://hilimall.ae/uploads/files/40511461941.pdfIn PDF document text
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/fe4fb4a379d50a03a74cb3ea11489bf5/vananivoziwizirajetineb.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/31380789311.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=powerpoint+for+macPDF 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_off0000de2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE2F | 10512 bytes |
SHA-256: 1c76a9e32b159a32def5536a097269f1884da72dc9c58d9186939cc324aeb2d9 |
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font_01_sfnt_off0000f62a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF62A | 16800 bytes |
SHA-256: d2c61ecced2cc89bd846aa65338bbf14b756ee1bd56f37ce232ac96afff3f69c |
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font_02_sfnt_off000121af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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