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 a link farm with 28 links pointing to 20 distinct hosts, including compromised CMS upload storage. The embedded URLs suggest a phishing or redirection scheme to distribute further malware or lead users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://energooptima.hu/upload/File/56100479575.pdf In PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142149ca1650---gexagagogumojozagusem.pdfIn PDF document text
- https://pinkrali.com/calisma2/files/uploads/88023675253.pdfIn PDF document text
- http://dealershop.es/userfiles/file/teziwixed.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614161fbbe985---22587641720.pdfIn PDF document text
- http://simsvizag.com/contentimages/file/41271199006.pdfIn PDF document text
- http://lawyersmarketingusa.com/user_upload_image/file/In PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/7e8e5b918fd04d3c36845796d3ca559e/mibifemufutu.pdfIn PDF document text
- http://consoles-a-gagner.com/fckeditor/userfiles/file/vuxiwokivad.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16133436f72a3f---53025582377.pdfIn PDF document text
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/ef265214e71ee902f14e12b0e630e6d3/wakiluvuvesow.pdfIn PDF document text
- http://dh-life.com/ckfinder/userfiles/files/tudavapuvetepumobejobe.pdfIn PDF document text
- http://olddieselparts.com/ckfinder/userfiles/files/botibamosatoxebugemikazi.pdfIn PDF document text
- https://dnmpaint.com/sdcc/images/file/34027085108.pdfIn PDF document text
- http://bargiel.com.pl/ckfinder/userfiles/files/44865807193.pdfIn PDF document text
- https://luatkhangthai.vn/upload/fck/file/75339416677.pdfIn PDF document text
- http://trumoi-khutrung.com/upload/files/36249508998.pdfIn PDF document text
- http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wajuf.pdfIn PDF document text
- http://floramarble.com/uploads/kotejojirepidijopanar.pdfIn PDF document text
- https://footballsod.com/images/ck-uploads/files/17897836718.pdfIn PDF document text
- http://cdmatik.com/uploads/file/52173880490.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=among+us+online+play+free+no+downloadPDF 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_off0000b618.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB618 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE2A | 15676 bytes |
SHA-256: 5a6a61384347c2fd9e12a53204f23a4b61db9729f030bcb76c57b25b81059fb9 |
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font_02_sfnt_off0000f5fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5FD | 11024 bytes |
SHA-256: 03e523154c15de6e6e351cf7695dacc529a4faf72c07287dd036d15d8d026fc1 |
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